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-rw-r--r--miscutils/bbconfig.c1
-rw-r--r--miscutils/bc.c18
-rw-r--r--miscutils/dc.c2
-rw-r--r--miscutils/drop.c220
-rw-r--r--miscutils/iconv.c1771
-rw-r--r--miscutils/inotifyd.c211
-rw-r--r--miscutils/jn.c37
-rw-r--r--miscutils/less.c99
-rw-r--r--miscutils/make.c3563
-rw-r--r--miscutils/man.c31
-rw-r--r--miscutils/time.c51
-rw-r--r--miscutils/ts.c8
12 files changed, 6008 insertions, 4 deletions
diff --git a/miscutils/bbconfig.c b/miscutils/bbconfig.c
index fe02516a8..077e03c5d 100644
--- a/miscutils/bbconfig.c
+++ b/miscutils/bbconfig.c
@@ -35,6 +35,7 @@
35#include "libbb.h" 35#include "libbb.h"
36#include "bbconfigopts.h" 36#include "bbconfigopts.h"
37#if ENABLE_FEATURE_COMPRESS_BBCONFIG 37#if ENABLE_FEATURE_COMPRESS_BBCONFIG
38#define BB_ARCHIVE_PUBLIC
38# include "bb_archive.h" 39# include "bb_archive.h"
39# include "bbconfigopts_bz2.h" 40# include "bbconfigopts_bz2.h"
40#endif 41#endif
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 28bc40c8b..31485ae9c 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -203,6 +203,9 @@
203 203
204#include "libbb.h" 204#include "libbb.h"
205#include "common_bufsiz.h" 205#include "common_bufsiz.h"
206#if ENABLE_PLATFORM_MINGW32
207# include "BB_VER.h"
208#endif
206 209
207#if !ENABLE_BC && !ENABLE_FEATURE_DC_BIG 210#if !ENABLE_BC && !ENABLE_FEATURE_DC_BIG
208# include "dc.c" 211# include "dc.c"
@@ -7466,6 +7469,17 @@ static unsigned xc_vm_envLen(const char *var)
7466 return len; 7469 return len;
7467} 7470}
7468 7471
7472#if ENABLE_PLATFORM_MINGW32 && ENABLE_FEATURE_BC_INTERACTIVE
7473static BOOL WINAPI ctrl_handler(DWORD dwCtrlType)
7474{
7475 if (dwCtrlType == CTRL_C_EVENT || dwCtrlType == CTRL_BREAK_EVENT) {
7476 bb_got_signal = SIGINT;
7477 return TRUE;
7478 }
7479 return FALSE;
7480}
7481#endif
7482
7469static int xc_vm_init(const char *env_len) 7483static int xc_vm_init(const char *env_len)
7470{ 7484{
7471 G.prog.len = xc_vm_envLen(env_len); 7485 G.prog.len = xc_vm_envLen(env_len);
@@ -7491,7 +7505,11 @@ static int xc_vm_init(const char *env_len)
7491 // from stdin is not interrupted by ^C either, 7505 // from stdin is not interrupted by ^C either,
7492 // it restarts, thus fgetc() does not return on ^C. 7506 // it restarts, thus fgetc() does not return on ^C.
7493 // (This problem manifests only if line editing is disabled) 7507 // (This problem manifests only if line editing is disabled)
7508# if !ENABLE_PLATFORM_MINGW32
7494 signal_SA_RESTART_empty_mask(SIGINT, record_signo); 7509 signal_SA_RESTART_empty_mask(SIGINT, record_signo);
7510# else
7511 SetConsoleCtrlHandler(ctrl_handler, TRUE);
7512# endif
7495 7513
7496 // Without SA_RESTART, this exhibits a bug: 7514 // Without SA_RESTART, this exhibits a bug:
7497 // "while (1) print 1" and try ^C-ing it. 7515 // "while (1) print 1" and try ^C-ing it.
diff --git a/miscutils/dc.c b/miscutils/dc.c
index 42baa67ad..d6369fd15 100644
--- a/miscutils/dc.c
+++ b/miscutils/dc.c
@@ -17,7 +17,7 @@ typedef unsigned long data_t;
17#define DATA_FMT "l" 17#define DATA_FMT "l"
18#else 18#else
19typedef unsigned long long data_t; 19typedef unsigned long long data_t;
20#define DATA_FMT "ll" 20#define DATA_FMT LL_FMT
21#endif 21#endif
22 22
23struct globals { 23struct globals {
diff --git a/miscutils/drop.c b/miscutils/drop.c
new file mode 100644
index 000000000..bef1fa52b
--- /dev/null
+++ b/miscutils/drop.c
@@ -0,0 +1,220 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * drop - run a command without elevated privileges.
4 *
5 * Copyright (c) 2023 Ronald M Yorston
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
8 */
9//config:config DROP
10//config: bool "drop"
11//config: default y
12//config: depends on PLATFORM_MINGW32 && SH_IS_ASH
13//config: help
14//config: Run a command without elevated privileges
15
16//config:config CDROP
17//config: bool "cdrop"
18//config: default y
19//config: depends on PLATFORM_MINGW32
20//config: help
21//config: Run a command without elevated privileges using cmd.exe
22
23//config:config PDROP
24//config: bool "pdrop"
25//config: default y
26//config: depends on PLATFORM_MINGW32
27//config: help
28//config: Run a command without elevated privileges using PowerShell
29
30//applet:IF_DROP(APPLET(drop, BB_DIR_USR_BIN, BB_SUID_DROP))
31//applet:IF_CDROP(APPLET_ODDNAME(cdrop, drop, BB_DIR_USR_BIN, BB_SUID_DROP, cdrop))
32//applet:IF_PDROP(APPLET_ODDNAME(pdrop, drop, BB_DIR_USR_BIN, BB_SUID_DROP, pdrop))
33
34//kbuild:lib-$(CONFIG_DROP) += drop.o
35//kbuild:lib-$(CONFIG_CDROP) += drop.o
36//kbuild:lib-$(CONFIG_PDROP) += drop.o
37
38//usage:#define drop_trivial_usage
39//usage: "[COMMAND [ARG...] | [-s SHELL] -c CMD_STRING [ARG...]]"
40//usage:#define drop_full_usage "\n\n"
41//usage: "Drop elevated privileges and run a command. If no command\n"
42//usage: "is provided run a shell (by default, the BusyBox shell).\n"
43
44//usage:#define cdrop_trivial_usage
45//usage: "[COMMAND [ARG...] | -c CMD_STRING [ARG...]]"
46//usage:#define cdrop_full_usage "\n\n"
47//usage: "Drop elevated privileges and run a command. If no command\n"
48//usage: "is provided run cmd.exe.\n"
49
50//usage:#define pdrop_trivial_usage
51//usage: "[COMMAND [ARG...] | -c CMD_STRING [ARG...]]"
52//usage:#define pdrop_full_usage "\n\n"
53//usage: "Drop elevated privileges and run a command. If no command\n"
54//usage: "is provided run PowerShell.\n"
55
56#include "libbb.h"
57#include <winsafer.h>
58#include <lazyload.h>
59#include "NUM_APPLETS.h"
60
61// Set an environment variable to the name of the unprivileged user,
62// but only if it was previously unset or contained "root".
63static void setenv_name(const char *key)
64{
65 const char *name = get_user_name();
66 const char *oldname = getenv(key);
67
68 if (name && (!oldname || strcmp(oldname, "root") == 0)) {
69 setenv(key, name, 1);
70 }
71}
72
73int drop_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
74int drop_main(int argc UNUSED_PARAM, char **argv)
75{
76 SAFER_LEVEL_HANDLE safer;
77 HANDLE token;
78 STARTUPINFO si;
79 PROCESS_INFORMATION pi;
80 TOKEN_MANDATORY_LABEL TIL;
81 // Medium integrity level S-1-16-8192
82 unsigned char medium[12] = {
83 0x01, 0x01, 0x00, 0x00,
84 0x00, 0x00, 0x00, 0x10,
85 0x00, 0x20, 0x00, 0x00
86 };
87 DWORD code;
88 // This shouldn't be necessary but without it the binary complains
89 // it can't find CreateProcessAsUserA on older versions of Windows.
90 DECLARE_PROC_ADDR(BOOL, CreateProcessAsUserA, HANDLE, LPCSTR, LPSTR,
91 LPSECURITY_ATTRIBUTES, LPSECURITY_ATTRIBUTES, BOOL, DWORD,
92 LPVOID, LPCSTR, LPSTARTUPINFOA, LPPROCESS_INFORMATION);
93
94 if (!INIT_PROC_ADDR(advapi32.dll, CreateProcessAsUserA))
95 bb_simple_error_msg_and_die("not supported");
96
97 /*
98 * Run a shell using a token with reduced privilege. Hints from:
99 *
100 * https://stackoverflow.com/questions/17765568/
101 */
102 if (SaferCreateLevel(SAFER_SCOPEID_USER, SAFER_LEVELID_NORMALUSER,
103 SAFER_LEVEL_OPEN, &safer, NULL) &&
104 SaferComputeTokenFromLevel(safer, NULL, &token, 0, NULL)) {
105
106 // Set medium integrity
107 TIL.Label.Sid = (PSID)medium;
108 TIL.Label.Attributes = SE_GROUP_INTEGRITY;
109 if (SetTokenInformation(token, TokenIntegrityLevel, &TIL,
110 sizeof(TOKEN_MANDATORY_LABEL))) {
111 char *opt_command = NULL;
112 char *opt_shell = NULL;
113 char **a;
114 const char *opt, *arg;
115 char *exe, *cmd, *q;
116
117 if (*applet_name == 'd')
118 getopt32(argv, "c:s:", &opt_command, &opt_shell);
119 else
120 getopt32(argv, "c:", &opt_command);
121 a = argv + optind;
122 opt = "-c";
123
124 if (*a == NULL || opt_command) {
125 switch (*applet_name) {
126#if ENABLE_PDROP
127 case 'p':
128 arg = "powershell.exe";
129 exe = find_first_executable(arg);
130 break;
131#endif
132#if ENABLE_CDROP
133 case 'c':
134 opt = "/c";
135 arg = "cmd.exe";
136 exe = find_first_executable(arg);
137 break;
138#endif
139#if ENABLE_DROP
140 case 'd':
141 if (opt_shell) {
142 arg = bb_basename(opt_shell);
143 if (strcasecmp(arg, "cmd.exe") == 0)
144 opt = "/c";
145 exe = file_is_win32_exe(opt_shell);
146 } else {
147 arg = "sh";
148 exe = xstrdup(bb_busybox_exec_path);
149 }
150 break;
151#endif
152 default:
153 // Never executed, just to silence warnings.
154 arg = argv[0];
155 exe = NULL;
156 break;
157 }
158 } else {
159 arg = *a++;
160
161#if ENABLE_FEATURE_PREFER_APPLETS && NUM_APPLETS > 1
162 if (!has_path(arg) && find_applet_by_name(arg) >= 0) {
163 exe = xstrdup(bb_busybox_exec_path);
164 } else
165#endif
166 if (has_path(arg)) {
167 exe = file_is_win32_exe(arg);
168 } else {
169 exe = find_first_executable(arg);
170 }
171 }
172
173 if (exe == NULL) {
174 xfunc_error_retval = 127;
175 bb_error_msg_and_die("can't find '%s'", arg);
176 }
177
178 slash_to_bs(exe);
179 cmd = quote_arg(arg);
180 if (opt_command) {
181 cmd = xappendword(cmd, opt);
182 q = quote_arg(opt_command);
183 cmd = xappendword(cmd, q);
184 free(q);
185 }
186
187 // Build the command line
188 while (*a) {
189 q = quote_arg(*a++);
190 cmd = xappendword(cmd, q);
191 free(q);
192 }
193
194 ZeroMemory(&si, sizeof(STARTUPINFO));
195 si.cb = sizeof(STARTUPINFO);
196 si.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
197 si.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
198 si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
199 si.dwFlags = STARTF_USESTDHANDLES;
200
201 setenv_name("USER");
202 setenv_name("LOGNAME");
203
204 if (!CreateProcessAsUserA(token, exe, cmd, NULL, NULL, TRUE,
205 0, NULL, NULL, &si, &pi)) {
206 xfunc_error_retval = 126;
207 bb_error_msg_and_die("can't execute '%s'", exe);
208 }
209
210 kill_child_ctrl_handler(pi.dwProcessId);
211 SetConsoleCtrlHandler(kill_child_ctrl_handler, TRUE);
212 WaitForSingleObject(pi.hProcess, INFINITE);
213 if (GetExitCodeProcess(pi.hProcess, &code)) {
214 return exit_code_to_posix(code);
215 }
216 }
217 }
218
219 return EXIT_FAILURE;
220}
diff --git a/miscutils/iconv.c b/miscutils/iconv.c
new file mode 100644
index 000000000..bedbb718d
--- /dev/null
+++ b/miscutils/iconv.c
@@ -0,0 +1,1771 @@
1/*
2 * iconv implementation using Win32 API to convert.
3 *
4 * This file is placed in the public domain.
5 */
6
7/*
8 * This code was obtained from:
9 *
10 * https://github.com/win-iconv/win-iconv
11 *
12 * Modified for busybox-w32 by Ronald M Yorston. These modifications
13 * are also dedicated to the public domain.
14 */
15
16//config:config ICONV
17//config: bool "iconv (11.4 kb)"
18//config: default y
19//config: depends on PLATFORM_MINGW32
20//config: help
21//config: 'iconv' converts text between character encodings.
22
23//applet:IF_ICONV(APPLET(iconv, BB_DIR_USR_BIN, BB_SUID_DROP))
24
25//kbuild:lib-$(CONFIG_ICONV) += iconv.o
26
27//usage:#define iconv_trivial_usage
28//usage: "[-lc] [-o outfile] [-f from-enc] [-t to-enc] [FILE]..."
29//usage:#define iconv_full_usage "\n\n"
30//usage: "Convert text between character encodings\n"
31//usage: "\n -l List all known character encodings"
32//usage: "\n -c Silently discard characters that cannot be converted"
33//usage: "\n -o Use outfile for output"
34//usage: "\n -f Use from-enc for input characters"
35//usage: "\n -t Use to-enc for output characters"
36
37#include "libbb.h"
38
39/* WORKAROUND: */
40#define GetProcAddressA GetProcAddress
41
42#define MB_CHAR_MAX 16
43
44#define UNICODE_MODE_BOM_DONE 1
45#define UNICODE_MODE_SWAPPED 2
46
47#define FLAG_USE_BOM 1
48#define FLAG_TRANSLIT 2 /* //TRANSLIT */
49#define FLAG_IGNORE 4 /* //IGNORE */
50
51typedef unsigned char uchar;
52typedef unsigned short ushort;
53typedef unsigned int uint;
54
55typedef void* iconv_t;
56
57static iconv_t iconv_open(const char *tocode, const char *fromcode);
58static int iconv_close(iconv_t cd);
59static size_t iconv(iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
60
61typedef struct compat_t compat_t;
62typedef struct csconv_t csconv_t;
63typedef struct rec_iconv_t rec_iconv_t;
64
65typedef int (*f_mbtowc)(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize);
66typedef int (*f_wctomb)(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize);
67typedef int (*f_mblen)(csconv_t *cv, const uchar *buf, int bufsize);
68typedef int (*f_flush)(csconv_t *cv, uchar *buf, int bufsize);
69
70#define COMPAT_IN 1
71#define COMPAT_OUT 2
72
73/* unicode mapping for compatibility with other conversion table. */
74struct compat_t {
75 uint in;
76 uint out;
77 uint flag;
78};
79
80struct csconv_t {
81 int codepage;
82 int flags;
83 f_mbtowc mbtowc;
84 f_wctomb wctomb;
85 f_mblen mblen;
86 f_flush flush;
87 DWORD mode;
88 compat_t *compat;
89};
90
91struct rec_iconv_t {
92 iconv_t cd;
93 csconv_t from;
94 csconv_t to;
95};
96
97static int load_mlang(void);
98static int make_csconv(const char *name, csconv_t *cv);
99static int name_to_codepage(const char *name);
100static uint utf16_to_ucs4(const ushort *wbuf);
101static void ucs4_to_utf16(uint wc, ushort *wbuf, int *wbufsize);
102static int mbtowc_flags(int codepage);
103static int must_use_null_useddefaultchar(int codepage);
104static int seterror(int err);
105
106static int sbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize);
107static int dbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize);
108static int mbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize);
109static int utf8_mblen(csconv_t *cv, const uchar *buf, int bufsize);
110static int eucjp_mblen(csconv_t *cv, const uchar *buf, int bufsize);
111
112static int kernel_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize);
113static int kernel_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize);
114static int mlang_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize);
115static int mlang_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize);
116static int utf16_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize);
117static int utf16_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize);
118static int utf32_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize);
119static int utf32_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize);
120static int iso2022jp_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize);
121static int iso2022jp_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize);
122static int iso2022jp_flush(csconv_t *cv, uchar *buf, int bufsize);
123
124#define CP_ALIAS_LIST \
125 CP_ALIAS(65001, "CP65001") \
126 CP_ALIAS(65001, "UTF8") \
127 CP_ALIAS(65001, "UTF-8") \
128\
129 CP_ALIAS(1200, "CP1200") \
130 CP_ALIAS(1200, "UTF16LE") \
131 CP_ALIAS(1200, "UTF-16LE") \
132 CP_ALIAS(1200, "UCS2LE") \
133 CP_ALIAS(1200, "UCS-2LE") \
134 CP_ALIAS(1200, "UCS-2-INTERNAL") \
135\
136 CP_ALIAS(1201, "CP1201") \
137 CP_ALIAS(1201, "UTF16BE") \
138 CP_ALIAS(1201, "UTF-16BE") \
139 CP_ALIAS(1201, "UCS2BE") \
140 CP_ALIAS(1201, "UCS-2BE") \
141 CP_ALIAS(1201, "unicodeFFFE") \
142\
143 CP_ALIAS(12000, "CP12000") \
144 CP_ALIAS(12000, "UTF32LE") \
145 CP_ALIAS(12000, "UTF-32LE") \
146 CP_ALIAS(12000, "UCS4LE") \
147 CP_ALIAS(12000, "UCS-4LE") \
148\
149 CP_ALIAS(12001, "CP12001") \
150 CP_ALIAS(12001, "UTF32BE") \
151 CP_ALIAS(12001, "UTF-32BE") \
152 CP_ALIAS(12001, "UCS4BE") \
153 CP_ALIAS(12001, "UCS-4BE") \
154\
155 /* Default is little endian, because the platform is */ \
156 CP_ALIAS(1200, "UTF16") \
157 CP_ALIAS(1200, "UTF-16") \
158 CP_ALIAS(1200, "UCS2") \
159 CP_ALIAS(1200, "UCS-2") \
160 CP_ALIAS(12000, "UTF32") \
161 CP_ALIAS(12000, "UTF-32") \
162 CP_ALIAS(12000, "UCS4") \
163 CP_ALIAS(12000, "UCS-4") \
164\
165 /* copy from libiconv `iconv -l` */ \
166 /* !IsValidCodePage(367) */ \
167 CP_ALIAS(20127, "ANSI_X3.4-1968") \
168 CP_ALIAS(20127, "ANSI_X3.4-1986") \
169 CP_ALIAS(20127, "ASCII") \
170 CP_ALIAS(20127, "CP367") \
171 CP_ALIAS(20127, "IBM367") \
172 CP_ALIAS(20127, "ISO-IR-6") \
173 CP_ALIAS(20127, "ISO646-US") \
174 CP_ALIAS(20127, "ISO_646.IRV:1991") \
175 CP_ALIAS(20127, "US") \
176 CP_ALIAS(20127, "US-ASCII") \
177 CP_ALIAS(20127, "CSASCII") \
178\
179 /* !IsValidCodePage(819) */ \
180 CP_ALIAS(1252, "CP819") \
181 CP_ALIAS(1252, "IBM819") \
182 CP_ALIAS(28591, "ISO-8859-1") \
183 CP_ALIAS(28591, "ISO-IR-100") \
184 CP_ALIAS(28591, "ISO8859-1") \
185 CP_ALIAS(28591, "ISO_8859-1") \
186 CP_ALIAS(28591, "ISO_8859-1:1987") \
187 CP_ALIAS(28591, "L1") \
188 CP_ALIAS(28591, "LATIN1") \
189 CP_ALIAS(28591, "CSISOLATIN1") \
190\
191 CP_ALIAS(1250, "CP1250") \
192 CP_ALIAS(1250, "MS-EE") \
193 CP_ALIAS(1250, "WINDOWS-1250") \
194\
195 CP_ALIAS(1251, "CP1251") \
196 CP_ALIAS(1251, "MS-CYRL") \
197 CP_ALIAS(1251, "WINDOWS-1251") \
198\
199 CP_ALIAS(1252, "CP1252") \
200 CP_ALIAS(1252, "MS-ANSI") \
201 CP_ALIAS(1252, "WINDOWS-1252") \
202\
203 CP_ALIAS(1253, "CP1253") \
204 CP_ALIAS(1253, "MS-GREEK") \
205 CP_ALIAS(1253, "WINDOWS-1253") \
206\
207 CP_ALIAS(1254, "CP1254") \
208 CP_ALIAS(1254, "MS-TURK") \
209 CP_ALIAS(1254, "WINDOWS-1254") \
210\
211 CP_ALIAS(1255, "CP1255") \
212 CP_ALIAS(1255, "MS-HEBR") \
213 CP_ALIAS(1255, "WINDOWS-1255") \
214\
215 CP_ALIAS(1256, "CP1256") \
216 CP_ALIAS(1256, "MS-ARAB") \
217 CP_ALIAS(1256, "WINDOWS-1256") \
218\
219 CP_ALIAS(1257, "CP1257") \
220 CP_ALIAS(1257, "WINBALTRIM") \
221 CP_ALIAS(1257, "WINDOWS-1257") \
222\
223 CP_ALIAS(1258, "CP1258") \
224 CP_ALIAS(1258, "WINDOWS-1258") \
225\
226 CP_ALIAS(850, "850") \
227 CP_ALIAS(850, "CP850") \
228 CP_ALIAS(850, "IBM850") \
229 CP_ALIAS(850, "CSPC850MULTILINGUAL") \
230\
231 /* !IsValidCodePage(862) */ \
232 CP_ALIAS(862, "862") \
233 CP_ALIAS(862, "CP862") \
234 CP_ALIAS(862, "IBM862") \
235 CP_ALIAS(862, "CSPC862LATINHEBREW") \
236\
237 CP_ALIAS(866, "866") \
238 CP_ALIAS(866, "CP866") \
239 CP_ALIAS(866, "IBM866") \
240 CP_ALIAS(866, "CSIBM866") \
241\
242 /* !IsValidCodePage(154) */ \
243 CP_ALIAS(154, "CP154") \
244 CP_ALIAS(154, "CYRILLIC-ASIAN") \
245 CP_ALIAS(154, "PT154") \
246 CP_ALIAS(154, "PTCP154") \
247 CP_ALIAS(154, "CSPTCP154") \
248\
249 /* !IsValidCodePage(1133) */ \
250 CP_ALIAS(1133, "CP1133") \
251 CP_ALIAS(1133, "IBM-CP1133") \
252\
253 CP_ALIAS(874, "CP874") \
254 CP_ALIAS(874, "WINDOWS-874") \
255\
256 /* !IsValidCodePage(51932) */ \
257 CP_ALIAS(51932, "CP51932") \
258 CP_ALIAS(51932, "MS51932") \
259 CP_ALIAS(51932, "WINDOWS-51932") \
260 CP_ALIAS(51932, "EUC-JP") \
261\
262 CP_ALIAS(932, "CP932") \
263 CP_ALIAS(932, "MS932") \
264 CP_ALIAS(932, "SHIFFT_JIS") \
265 CP_ALIAS(932, "SHIFFT_JIS-MS") \
266 CP_ALIAS(932, "SJIS") \
267 CP_ALIAS(932, "SJIS-MS") \
268 CP_ALIAS(932, "SJIS-OPEN") \
269 CP_ALIAS(932, "SJIS-WIN") \
270 CP_ALIAS(932, "WINDOWS-31J") \
271 CP_ALIAS(932, "WINDOWS-932") \
272 CP_ALIAS(932, "CSWINDOWS31J") \
273\
274 CP_ALIAS(50221, "CP50221") \
275 CP_ALIAS(50221, "ISO-2022-JP") \
276 CP_ALIAS(50221, "ISO-2022-JP-MS") \
277 CP_ALIAS(50221, "ISO2022-JP") \
278 CP_ALIAS(50221, "ISO2022-JP-MS") \
279 CP_ALIAS(50221, "MS50221") \
280 CP_ALIAS(50221, "WINDOWS-50221") \
281\
282 CP_ALIAS(936, "CP936") \
283 CP_ALIAS(936, "GBK") \
284 CP_ALIAS(936, "MS936") \
285 CP_ALIAS(936, "WINDOWS-936") \
286\
287 CP_ALIAS(950, "CP950") \
288 CP_ALIAS(950, "BIG5") \
289 CP_ALIAS(950, "BIG5HKSCS") \
290 CP_ALIAS(950, "BIG5-HKSCS") \
291\
292 CP_ALIAS(949, "CP949") \
293 CP_ALIAS(949, "UHC") \
294 CP_ALIAS(949, "EUC-KR") \
295\
296 CP_ALIAS(1361, "CP1361") \
297 CP_ALIAS(1361, "JOHAB") \
298\
299 CP_ALIAS(437, "437") \
300 CP_ALIAS(437, "CP437") \
301 CP_ALIAS(437, "IBM437") \
302 CP_ALIAS(437, "CSPC8CODEPAGE437") \
303\
304 CP_ALIAS(737, "CP737") \
305\
306 CP_ALIAS(775, "CP775") \
307 CP_ALIAS(775, "IBM775") \
308 CP_ALIAS(775, "CSPC775BALTIC") \
309\
310 CP_ALIAS(852, "852") \
311 CP_ALIAS(852, "CP852") \
312 CP_ALIAS(852, "IBM852") \
313 CP_ALIAS(852, "CSPCP852") \
314\
315 /* !IsValidCodePage(853) */ \
316 CP_ALIAS(853, "CP853") \
317\
318 CP_ALIAS(855, "855") \
319 CP_ALIAS(855, "CP855") \
320 CP_ALIAS(855, "IBM855") \
321 CP_ALIAS(855, "CSIBM855") \
322\
323 CP_ALIAS(857, "857") \
324 CP_ALIAS(857, "CP857") \
325 CP_ALIAS(857, "IBM857") \
326 CP_ALIAS(857, "CSIBM857") \
327\
328 /* !IsValidCodePage(858) */ \
329 CP_ALIAS(858, "CP858") \
330\
331 CP_ALIAS(860, "860") \
332 CP_ALIAS(860, "CP860") \
333 CP_ALIAS(860, "IBM860") \
334 CP_ALIAS(860, "CSIBM860") \
335\
336 CP_ALIAS(861, "861") \
337 CP_ALIAS(861, "CP-IS") \
338 CP_ALIAS(861, "CP861") \
339 CP_ALIAS(861, "IBM861") \
340 CP_ALIAS(861, "CSIBM861") \
341\
342 CP_ALIAS(863, "863") \
343 CP_ALIAS(863, "CP863") \
344 CP_ALIAS(863, "IBM863") \
345 CP_ALIAS(863, "CSIBM863") \
346\
347 CP_ALIAS(864, "CP864") \
348 CP_ALIAS(864, "IBM864") \
349 CP_ALIAS(864, "CSIBM864") \
350\
351 CP_ALIAS(865, "865") \
352 CP_ALIAS(865, "CP865") \
353 CP_ALIAS(865, "IBM865") \
354 CP_ALIAS(865, "CSIBM865") \
355\
356 CP_ALIAS(869, "869") \
357 CP_ALIAS(869, "CP-GR") \
358 CP_ALIAS(869, "CP869") \
359 CP_ALIAS(869, "IBM869") \
360 CP_ALIAS(869, "CSIBM869") \
361\
362 /* !IsValidCodePage(1152) */ \
363 CP_ALIAS(1125, "CP1125") \
364\
365 /* \
366 * Code Page Identifiers \
367 * http://msdn2.microsoft.com/en-us/library/ms776446.aspx \
368 */ \
369 CP_ALIAS(37, "IBM037") /* IBM EBCDIC US-Canada */ \
370 CP_ALIAS(437, "IBM437") /* OEM United States */ \
371 CP_ALIAS(500, "IBM500") /* IBM EBCDIC International */ \
372 CP_ALIAS(708, "ASMO-708") /* Arabic (ASMO 708) */ \
373 /* 709 Arabic (ASMO-449+, BCON V4) */ \
374 /* 710 Arabic - Transparent Arabic */ \
375 CP_ALIAS(720, "DOS-720") /* Arabic (Transparent ASMO); Arabic (DOS) */ \
376 CP_ALIAS(737, "ibm737") /* OEM Greek (formerly 437G); Greek (DOS) */ \
377 CP_ALIAS(775, "ibm775") /* OEM Baltic; Baltic (DOS) */ \
378 CP_ALIAS(850, "ibm850") /* OEM Multilingual Latin 1; Western European (DOS) */ \
379 CP_ALIAS(852, "ibm852") /* OEM Latin 2; Central European (DOS) */ \
380 CP_ALIAS(855, "IBM855") /* OEM Cyrillic (primarily Russian) */ \
381 CP_ALIAS(857, "ibm857") /* OEM Turkish; Turkish (DOS) */ \
382 CP_ALIAS(858, "IBM00858") /* OEM Multilingual Latin 1 + Euro symbol */ \
383 CP_ALIAS(860, "IBM860") /* OEM Portuguese; Portuguese (DOS) */ \
384 CP_ALIAS(861, "ibm861") /* OEM Icelandic; Icelandic (DOS) */ \
385 CP_ALIAS(862, "DOS-862") /* OEM Hebrew; Hebrew (DOS) */ \
386 CP_ALIAS(863, "IBM863") /* OEM French Canadian; French Canadian (DOS) */ \
387 CP_ALIAS(864, "IBM864") /* OEM Arabic; Arabic (864) */ \
388 CP_ALIAS(865, "IBM865") /* OEM Nordic; Nordic (DOS) */ \
389 CP_ALIAS(866, "cp866") /* OEM Russian; Cyrillic (DOS) */ \
390 CP_ALIAS(869, "ibm869") /* OEM Modern Greek; Greek, Modern (DOS) */ \
391 CP_ALIAS(870, "IBM870") /* IBM EBCDIC Multilingual/ROECE (Latin 2); IBM EBCDIC Multilingual Latin 2 */ \
392 CP_ALIAS(874, "windows-874") /* ANSI/OEM Thai (same as 28605, ISO 8859-15); Thai (Windows) */ \
393 CP_ALIAS(875, "cp875") /* IBM EBCDIC Greek Modern */ \
394 CP_ALIAS(932, "shift_jis") /* ANSI/OEM Japanese; Japanese (Shift-JIS) */ \
395 CP_ALIAS(932, "shift-jis") /* alternative name for it */ \
396 CP_ALIAS(936, "gb2312") /* ANSI/OEM Simplified Chinese (PRC, Singapore); Chinese Simplified (GB2312) */ \
397 CP_ALIAS(949, "ks_c_5601-1987") /* ANSI/OEM Korean (Unified Hangul Code) */ \
398 CP_ALIAS(950, "big5") /* ANSI/OEM Traditional Chinese (Taiwan; Hong Kong SAR, PRC); Chinese Traditional (Big5) */ \
399 CP_ALIAS(950, "big5hkscs") /* ANSI/OEM Traditional Chinese (Hong Kong SAR); Chinese Traditional (Big5-HKSCS) */ \
400 CP_ALIAS(950, "big5-hkscs") /* alternative name for it */ \
401 CP_ALIAS(1026, "IBM1026") /* IBM EBCDIC Turkish (Latin 5) */ \
402 CP_ALIAS(1047, "IBM01047") /* IBM EBCDIC Latin 1/Open System */ \
403 CP_ALIAS(1140, "IBM01140") /* IBM EBCDIC US-Canada (037 + Euro symbol); IBM EBCDIC (US-Canada-Euro) */ \
404 CP_ALIAS(1141, "IBM01141") /* IBM EBCDIC Germany (20273 + Euro symbol); IBM EBCDIC (Germany-Euro) */ \
405 CP_ALIAS(1142, "IBM01142") /* IBM EBCDIC Denmark-Norway (20277 + Euro symbol); IBM EBCDIC (Denmark-Norway-Euro) */ \
406 CP_ALIAS(1143, "IBM01143") /* IBM EBCDIC Finland-Sweden (20278 + Euro symbol); IBM EBCDIC (Finland-Sweden-Euro) */ \
407 CP_ALIAS(1144, "IBM01144") /* IBM EBCDIC Italy (20280 + Euro symbol); IBM EBCDIC (Italy-Euro) */ \
408 CP_ALIAS(1145, "IBM01145") /* IBM EBCDIC Latin America-Spain (20284 + Euro symbol); IBM EBCDIC (Spain-Euro) */ \
409 CP_ALIAS(1146, "IBM01146") /* IBM EBCDIC United Kingdom (20285 + Euro symbol); IBM EBCDIC (UK-Euro) */ \
410 CP_ALIAS(1147, "IBM01147") /* IBM EBCDIC France (20297 + Euro symbol); IBM EBCDIC (France-Euro) */ \
411 CP_ALIAS(1148, "IBM01148") /* IBM EBCDIC International (500 + Euro symbol); IBM EBCDIC (International-Euro) */ \
412 CP_ALIAS(1149, "IBM01149") /* IBM EBCDIC Icelandic (20871 + Euro symbol); IBM EBCDIC (Icelandic-Euro) */ \
413 CP_ALIAS(1250, "windows-1250") /* ANSI Central European; Central European (Windows) */ \
414 CP_ALIAS(1251, "windows-1251") /* ANSI Cyrillic; Cyrillic (Windows) */ \
415 CP_ALIAS(1252, "windows-1252") /* ANSI Latin 1; Western European (Windows) */ \
416 CP_ALIAS(1253, "windows-1253") /* ANSI Greek; Greek (Windows) */ \
417 CP_ALIAS(1254, "windows-1254") /* ANSI Turkish; Turkish (Windows) */ \
418 CP_ALIAS(1255, "windows-1255") /* ANSI Hebrew; Hebrew (Windows) */ \
419 CP_ALIAS(1256, "windows-1256") /* ANSI Arabic; Arabic (Windows) */ \
420 CP_ALIAS(1257, "windows-1257") /* ANSI Baltic; Baltic (Windows) */ \
421 CP_ALIAS(1258, "windows-1258") /* ANSI/OEM Vietnamese; Vietnamese (Windows) */ \
422 CP_ALIAS(1361, "Johab") /* Korean (Johab) */ \
423 CP_ALIAS(10000, "macintosh") /* MAC Roman; Western European (Mac) */ \
424 CP_ALIAS(10001, "x-mac-japanese") /* Japanese (Mac) */ \
425 CP_ALIAS(10002, "x-mac-chinesetrad") /* MAC Traditional Chinese (Big5); Chinese Traditional (Mac) */ \
426 CP_ALIAS(10003, "x-mac-korean") /* Korean (Mac) */ \
427 CP_ALIAS(10004, "x-mac-arabic") /* Arabic (Mac) */ \
428 CP_ALIAS(10005, "x-mac-hebrew") /* Hebrew (Mac) */ \
429 CP_ALIAS(10006, "x-mac-greek") /* Greek (Mac) */ \
430 CP_ALIAS(10007, "x-mac-cyrillic") /* Cyrillic (Mac) */ \
431 CP_ALIAS(10008, "x-mac-chinesesimp") /* MAC Simplified Chinese (GB 2312); Chinese Simplified (Mac) */ \
432 CP_ALIAS(10010, "x-mac-romanian") /* Romanian (Mac) */ \
433 CP_ALIAS(10017, "x-mac-ukrainian") /* Ukrainian (Mac) */ \
434 CP_ALIAS(10021, "x-mac-thai") /* Thai (Mac) */ \
435 CP_ALIAS(10029, "x-mac-ce") /* MAC Latin 2; Central European (Mac) */ \
436 CP_ALIAS(10079, "x-mac-icelandic") /* Icelandic (Mac) */ \
437 CP_ALIAS(10081, "x-mac-turkish") /* Turkish (Mac) */ \
438 CP_ALIAS(10082, "x-mac-croatian") /* Croatian (Mac) */ \
439 CP_ALIAS(20000, "x-Chinese_CNS") /* CNS Taiwan; Chinese Traditional (CNS) */ \
440 CP_ALIAS(20001, "x-cp20001") /* TCA Taiwan */ \
441 CP_ALIAS(20002, "x_Chinese-Eten") /* Eten Taiwan; Chinese Traditional (Eten) */ \
442 CP_ALIAS(20003, "x-cp20003") /* IBM5550 Taiwan */ \
443 CP_ALIAS(20004, "x-cp20004") /* TeleText Taiwan */ \
444 CP_ALIAS(20005, "x-cp20005") /* Wang Taiwan */ \
445 CP_ALIAS(20105, "x-IA5") /* IA5 (IRV International Alphabet No. 5, 7-bit); Western European (IA5) */ \
446 CP_ALIAS(20106, "x-IA5-German") /* IA5 German (7-bit) */ \
447 CP_ALIAS(20107, "x-IA5-Swedish") /* IA5 Swedish (7-bit) */ \
448 CP_ALIAS(20108, "x-IA5-Norwegian") /* IA5 Norwegian (7-bit) */ \
449 CP_ALIAS(20127, "us-ascii") /* US-ASCII (7-bit) */ \
450 CP_ALIAS(20261, "x-cp20261") /* T.61 */ \
451 CP_ALIAS(20269, "x-cp20269") /* ISO 6937 Non-Spacing Accent */ \
452 CP_ALIAS(20273, "IBM273") /* IBM EBCDIC Germany */ \
453 CP_ALIAS(20277, "IBM277") /* IBM EBCDIC Denmark-Norway */ \
454 CP_ALIAS(20278, "IBM278") /* IBM EBCDIC Finland-Sweden */ \
455 CP_ALIAS(20280, "IBM280") /* IBM EBCDIC Italy */ \
456 CP_ALIAS(20284, "IBM284") /* IBM EBCDIC Latin America-Spain */ \
457 CP_ALIAS(20285, "IBM285") /* IBM EBCDIC United Kingdom */ \
458 CP_ALIAS(20290, "IBM290") /* IBM EBCDIC Japanese Katakana Extended */ \
459 CP_ALIAS(20297, "IBM297") /* IBM EBCDIC France */ \
460 CP_ALIAS(20420, "IBM420") /* IBM EBCDIC Arabic */ \
461 CP_ALIAS(20423, "IBM423") /* IBM EBCDIC Greek */ \
462 CP_ALIAS(20424, "IBM424") /* IBM EBCDIC Hebrew */ \
463 CP_ALIAS(20833, "x-EBCDIC-KoreanExtended") /* IBM EBCDIC Korean Extended */ \
464 CP_ALIAS(20838, "IBM-Thai") /* IBM EBCDIC Thai */ \
465 CP_ALIAS(20866, "koi8-r") /* Russian (KOI8-R); Cyrillic (KOI8-R) */ \
466 CP_ALIAS(20871, "IBM871") /* IBM EBCDIC Icelandic */ \
467 CP_ALIAS(20880, "IBM880") /* IBM EBCDIC Cyrillic Russian */ \
468 CP_ALIAS(20905, "IBM905") /* IBM EBCDIC Turkish */ \
469 CP_ALIAS(20924, "IBM00924") /* IBM EBCDIC Latin 1/Open System (1047 + Euro symbol) */ \
470 CP_ALIAS(20932, "EUC-JP") /* Japanese (JIS 0208-1990 and 0121-1990) */ \
471 CP_ALIAS(20936, "x-cp20936") /* Simplified Chinese (GB2312); Chinese Simplified (GB2312-80) */ \
472 CP_ALIAS(20949, "x-cp20949") /* Korean Wansung */ \
473 CP_ALIAS(21025, "cp1025") /* IBM EBCDIC Cyrillic Serbian-Bulgarian */ \
474 /* 21027 (deprecated) */ \
475 CP_ALIAS(21866, "koi8-u") /* Ukrainian (KOI8-U); Cyrillic (KOI8-U) */ \
476 CP_ALIAS(28591, "iso-8859-1") /* ISO 8859-1 Latin 1; Western European (ISO) */ \
477 CP_ALIAS(28591, "iso8859-1") /* ISO 8859-1 Latin 1; Western European (ISO) */ \
478 CP_ALIAS(28591, "iso_8859-1") \
479 CP_ALIAS(28591, "iso_8859_1") \
480 CP_ALIAS(28592, "iso-8859-2") /* ISO 8859-2 Central European; Central European (ISO) */ \
481 CP_ALIAS(28592, "iso8859-2") /* ISO 8859-2 Central European; Central European (ISO) */ \
482 CP_ALIAS(28592, "iso_8859-2") \
483 CP_ALIAS(28592, "iso_8859_2") \
484 CP_ALIAS(28593, "iso-8859-3") /* ISO 8859-3 Latin 3 */ \
485 CP_ALIAS(28593, "iso8859-3") /* ISO 8859-3 Latin 3 */ \
486 CP_ALIAS(28593, "iso_8859-3") \
487 CP_ALIAS(28593, "iso_8859_3") \
488 CP_ALIAS(28594, "iso-8859-4") /* ISO 8859-4 Baltic */ \
489 CP_ALIAS(28594, "iso8859-4") /* ISO 8859-4 Baltic */ \
490 CP_ALIAS(28594, "iso_8859-4") \
491 CP_ALIAS(28594, "iso_8859_4") \
492 CP_ALIAS(28595, "iso-8859-5") /* ISO 8859-5 Cyrillic */ \
493 CP_ALIAS(28595, "iso8859-5") /* ISO 8859-5 Cyrillic */ \
494 CP_ALIAS(28595, "iso_8859-5") \
495 CP_ALIAS(28595, "iso_8859_5") \
496 CP_ALIAS(28596, "iso-8859-6") /* ISO 8859-6 Arabic */ \
497 CP_ALIAS(28596, "iso8859-6") /* ISO 8859-6 Arabic */ \
498 CP_ALIAS(28596, "iso_8859-6") \
499 CP_ALIAS(28596, "iso_8859_6") \
500 CP_ALIAS(28597, "iso-8859-7") /* ISO 8859-7 Greek */ \
501 CP_ALIAS(28597, "iso8859-7") /* ISO 8859-7 Greek */ \
502 CP_ALIAS(28597, "iso_8859-7") \
503 CP_ALIAS(28597, "iso_8859_7") \
504 CP_ALIAS(28598, "iso-8859-8") /* ISO 8859-8 Hebrew; Hebrew (ISO-Visual) */ \
505 CP_ALIAS(28598, "iso8859-8") /* ISO 8859-8 Hebrew; Hebrew (ISO-Visual) */ \
506 CP_ALIAS(28598, "iso_8859-8") \
507 CP_ALIAS(28598, "iso_8859_8") \
508 CP_ALIAS(28599, "iso-8859-9") /* ISO 8859-9 Turkish */ \
509 CP_ALIAS(28599, "iso8859-9") /* ISO 8859-9 Turkish */ \
510 CP_ALIAS(28599, "iso_8859-9") \
511 CP_ALIAS(28599, "iso_8859_9") \
512 CP_ALIAS(28603, "iso-8859-13") /* ISO 8859-13 Estonian */ \
513 CP_ALIAS(28603, "iso8859-13") /* ISO 8859-13 Estonian */ \
514 CP_ALIAS(28603, "iso_8859-13") \
515 CP_ALIAS(28603, "iso_8859_13") \
516 CP_ALIAS(28605, "iso-8859-15") /* ISO 8859-15 Latin 9 */ \
517 CP_ALIAS(28605, "iso8859-15") /* ISO 8859-15 Latin 9 */ \
518 CP_ALIAS(28605, "iso_8859-15") \
519 CP_ALIAS(28605, "iso_8859_15") \
520 CP_ALIAS(29001, "x-Europa") /* Europa 3 */ \
521 CP_ALIAS(38598, "iso-8859-8-i") /* ISO 8859-8 Hebrew; Hebrew (ISO-Logical) */ \
522 CP_ALIAS(38598, "iso8859-8-i") /* ISO 8859-8 Hebrew; Hebrew (ISO-Logical) */ \
523 CP_ALIAS(38598, "iso_8859-8-i") \
524 CP_ALIAS(38598, "iso_8859_8-i") \
525 CP_ALIAS(50220, "iso-2022-jp") /* ISO 2022 Japanese with no halfwidth Katakana; Japanese (JIS) */ \
526 CP_ALIAS(50221, "csISO2022JP") /* ISO 2022 Japanese with halfwidth Katakana; Japanese (JIS-Allow 1 byte Kana) */ \
527 CP_ALIAS(50222, "iso-2022-jp") /* ISO 2022 Japanese JIS X 0201-1989; Japanese (JIS-Allow 1 byte Kana - SO/SI) */ \
528 CP_ALIAS(50225, "iso-2022-kr") /* ISO 2022 Korean */ \
529 CP_ALIAS(50225, "iso2022-kr") /* ISO 2022 Korean */ \
530 CP_ALIAS(50227, "x-cp50227") /* ISO 2022 Simplified Chinese; Chinese Simplified (ISO 2022) */ \
531 /* 50229 ISO 2022 Traditional Chinese */ \
532 /* 50930 EBCDIC Japanese (Katakana) Extended */ \
533 /* 50931 EBCDIC US-Canada and Japanese */ \
534 /* 50933 EBCDIC Korean Extended and Korean */ \
535 /* 50935 EBCDIC Simplified Chinese Extended and Simplified Chinese */ \
536 /* 50936 EBCDIC Simplified Chinese */ \
537 /* 50937 EBCDIC US-Canada and Traditional Chinese */ \
538 /* 50939 EBCDIC Japanese (Latin) Extended and Japanese */ \
539 CP_ALIAS(51932, "euc-jp") /* EUC Japanese */ \
540 CP_ALIAS(51936, "EUC-CN") /* EUC Simplified Chinese; Chinese Simplified (EUC) */ \
541 CP_ALIAS(51949, "euc-kr") /* EUC Korean */ \
542 /* 51950 EUC Traditional Chinese */ \
543 CP_ALIAS(52936, "hz-gb-2312") /* HZ-GB2312 Simplified Chinese; Chinese Simplified (HZ) */ \
544 CP_ALIAS(54936, "GB18030") /* Windows XP and later: GB18030 Simplified Chinese (4 byte); Chinese Simplified (GB18030) */ \
545 CP_ALIAS(57002, "x-iscii-de") /* ISCII Devanagari */ \
546 CP_ALIAS(57003, "x-iscii-be") /* ISCII Bengali */ \
547 CP_ALIAS(57004, "x-iscii-ta") /* ISCII Tamil */ \
548 CP_ALIAS(57005, "x-iscii-te") /* ISCII Telugu */ \
549 CP_ALIAS(57006, "x-iscii-as") /* ISCII Assamese */ \
550 CP_ALIAS(57007, "x-iscii-or") /* ISCII Oriya */ \
551 CP_ALIAS(57008, "x-iscii-ka") /* ISCII Kannada */ \
552 CP_ALIAS(57009, "x-iscii-ma") /* ISCII Malayalam */ \
553 CP_ALIAS(57010, "x-iscii-gu") /* ISCII Gujarati */ \
554 CP_ALIAS(57011, "x-iscii-pa") /* ISCII Punjabi */
555
556#define CP_ALIAS(codepage, alias) codepage,
557static const int cp_codepage[] = {
558 CP_ALIAS_LIST
559};
560#undef CP_ALIAS
561
562#define CP_ALIAS(codepage, alias) alias"\0"
563static const char cp_alias[] ALIGN1 =
564 CP_ALIAS_LIST;
565#undef CP_ALIAS
566
567/*
568 * SJIS SHIFTJIS table CP932 table
569 * ---- --------------------------- --------------------------------
570 * 5C U+00A5 YEN SIGN U+005C REVERSE SOLIDUS
571 * 7E U+203E OVERLINE U+007E TILDE
572 * 815C U+2014 EM DASH U+2015 HORIZONTAL BAR
573 * 815F U+005C REVERSE SOLIDUS U+FF3C FULLWIDTH REVERSE SOLIDUS
574 * 8160 U+301C WAVE DASH U+FF5E FULLWIDTH TILDE
575 * 8161 U+2016 DOUBLE VERTICAL LINE U+2225 PARALLEL TO
576 * 817C U+2212 MINUS SIGN U+FF0D FULLWIDTH HYPHEN-MINUS
577 * 8191 U+00A2 CENT SIGN U+FFE0 FULLWIDTH CENT SIGN
578 * 8192 U+00A3 POUND SIGN U+FFE1 FULLWIDTH POUND SIGN
579 * 81CA U+00AC NOT SIGN U+FFE2 FULLWIDTH NOT SIGN
580 *
581 * EUC-JP and ISO-2022-JP should be compatible with CP932.
582 *
583 * Kernel and MLang have different Unicode mapping table. Make sure
584 * which API is used.
585 */
586static compat_t cp932_compat[] = {
587 {0x00A5, 0x005C, COMPAT_OUT},
588 {0x203E, 0x007E, COMPAT_OUT},
589 {0x2014, 0x2015, COMPAT_OUT},
590 {0x301C, 0xFF5E, COMPAT_OUT},
591 {0x2016, 0x2225, COMPAT_OUT},
592 {0x2212, 0xFF0D, COMPAT_OUT},
593 {0x00A2, 0xFFE0, COMPAT_OUT},
594 {0x00A3, 0xFFE1, COMPAT_OUT},
595 {0x00AC, 0xFFE2, COMPAT_OUT},
596 {0, 0, 0}
597};
598
599static compat_t cp20932_compat[] = {
600 {0x00A5, 0x005C, COMPAT_OUT},
601 {0x203E, 0x007E, COMPAT_OUT},
602 {0x2014, 0x2015, COMPAT_OUT},
603 {0xFF5E, 0x301C, COMPAT_OUT|COMPAT_IN},
604 {0x2225, 0x2016, COMPAT_OUT|COMPAT_IN},
605 {0xFF0D, 0x2212, COMPAT_OUT|COMPAT_IN},
606 {0xFFE0, 0x00A2, COMPAT_OUT|COMPAT_IN},
607 {0xFFE1, 0x00A3, COMPAT_OUT|COMPAT_IN},
608 {0xFFE2, 0x00AC, COMPAT_OUT|COMPAT_IN},
609 {0, 0, 0}
610};
611
612static compat_t *cp51932_compat = cp932_compat;
613
614/* cp20932_compat for kernel. cp932_compat for mlang. */
615static compat_t *cp5022x_compat = cp932_compat;
616
617typedef HRESULT (WINAPI *CONVERTINETMULTIBYTETOUNICODE)(
618 LPDWORD lpdwMode,
619 DWORD dwSrcEncoding,
620 LPCSTR lpSrcStr,
621 LPINT lpnMultiCharCount,
622 LPWSTR lpDstStr,
623 LPINT lpnWideCharCount
624);
625
626typedef HRESULT (WINAPI *CONVERTINETUNICODETOMULTIBYTE)(
627 LPDWORD lpdwMode,
628 DWORD dwEncoding,
629 LPCWSTR lpSrcStr,
630 LPINT lpnWideCharCount,
631 LPSTR lpDstStr,
632 LPINT lpnMultiCharCount
633);
634
635static CONVERTINETMULTIBYTETOUNICODE ConvertINetMultiByteToUnicode;
636static CONVERTINETUNICODETOMULTIBYTE ConvertINetUnicodeToMultiByte;
637
638static int
639load_mlang(void)
640{
641 HMODULE h;
642 if (ConvertINetMultiByteToUnicode != NULL)
643 return TRUE;
644 h = LoadLibrary(TEXT("mlang.dll"));
645 if (!h)
646 return FALSE;
647 ConvertINetMultiByteToUnicode = (CONVERTINETMULTIBYTETOUNICODE)GetProcAddressA(h, "ConvertINetMultiByteToUnicode");
648 ConvertINetUnicodeToMultiByte = (CONVERTINETUNICODETOMULTIBYTE)GetProcAddressA(h, "ConvertINetUnicodeToMultiByte");
649 return TRUE;
650}
651
652static iconv_t
653iconv_open(const char *tocode, const char *fromcode)
654{
655 rec_iconv_t *cd;
656
657 cd = (rec_iconv_t *)xzalloc(sizeof(rec_iconv_t));
658
659 /* reset the errno to prevent reporting wrong error code.
660 * 0 for unsorted error. */
661 errno = 0;
662 if (make_csconv(fromcode, &cd->from) && make_csconv(tocode, &cd->to)) {
663 cd->cd = (iconv_t)cd;
664 return (iconv_t)cd;
665 }
666
667 free(cd);
668 return (iconv_t)(-1);
669}
670
671static int
672iconv_close(iconv_t _cd)
673{
674 free(_cd);
675 return 0;
676}
677
678static size_t
679iconv(iconv_t _cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
680{
681 rec_iconv_t *cd = (rec_iconv_t *)_cd;
682 ushort wbuf[MB_CHAR_MAX]; /* enough room for one character */
683 int insize;
684 int outsize;
685 int wsize;
686 DWORD frommode;
687 DWORD tomode;
688 uint wc;
689 compat_t *cp;
690 int i;
691
692 if (inbuf == NULL || *inbuf == NULL)
693 {
694 if (outbuf != NULL && *outbuf != NULL && cd->to.flush != NULL)
695 {
696 tomode = cd->to.mode;
697 outsize = cd->to.flush(&cd->to, (uchar *)*outbuf, *outbytesleft);
698 if (outsize == -1)
699 {
700 if ((cd->to.flags & FLAG_IGNORE) && errno != E2BIG)
701 {
702 outsize = 0;
703 }
704 else
705 {
706 cd->to.mode = tomode;
707 return (size_t)(-1);
708 }
709 }
710 *outbuf += outsize;
711 *outbytesleft -= outsize;
712 }
713 cd->from.mode = 0;
714 cd->to.mode = 0;
715 return 0;
716 }
717
718 while (*inbytesleft != 0)
719 {
720 frommode = cd->from.mode;
721 tomode = cd->to.mode;
722 wsize = MB_CHAR_MAX;
723
724 insize = cd->from.mbtowc(&cd->from, (const uchar *)*inbuf, *inbytesleft, wbuf, &wsize);
725 if (insize == -1)
726 {
727 if (cd->to.flags & FLAG_IGNORE)
728 {
729 cd->from.mode = frommode;
730 insize = 1;
731 wsize = 0;
732 }
733 else
734 {
735 cd->from.mode = frommode;
736 return (size_t)(-1);
737 }
738 }
739
740 if (wsize == 0)
741 {
742 *inbuf += insize;
743 *inbytesleft -= insize;
744 continue;
745 }
746
747 if (cd->from.compat != NULL)
748 {
749 wc = utf16_to_ucs4(wbuf);
750 cp = cd->from.compat;
751 for (i = 0; cp[i].in != 0; ++i)
752 {
753 if ((cp[i].flag & COMPAT_IN) && cp[i].out == wc)
754 {
755 ucs4_to_utf16(cp[i].in, wbuf, &wsize);
756 break;
757 }
758 }
759 }
760
761 if (cd->to.compat != NULL)
762 {
763 wc = utf16_to_ucs4(wbuf);
764 cp = cd->to.compat;
765 for (i = 0; cp[i].in != 0; ++i)
766 {
767 if ((cp[i].flag & COMPAT_OUT) && cp[i].in == wc)
768 {
769 ucs4_to_utf16(cp[i].out, wbuf, &wsize);
770 break;
771 }
772 }
773 }
774
775 outsize = cd->to.wctomb(&cd->to, wbuf, wsize, (uchar *)*outbuf, *outbytesleft);
776 if (outsize == -1)
777 {
778 if ((cd->to.flags & FLAG_IGNORE) && errno != E2BIG)
779 {
780 cd->to.mode = tomode;
781 outsize = 0;
782 }
783 else
784 {
785 cd->from.mode = frommode;
786 cd->to.mode = tomode;
787 return (size_t)(-1);
788 }
789 }
790
791 *inbuf += insize;
792 *outbuf += outsize;
793 *inbytesleft -= insize;
794 *outbytesleft -= outsize;
795 }
796
797 return 0;
798}
799
800static int
801make_csconv(const char *_name, csconv_t *cv)
802{
803 CPINFO cpinfo;
804 int use_compat = TRUE;
805 int flag = 0;
806 char *name;
807 char *p, *s;
808
809 name = xstrdup(_name);
810
811 /* check for option "enc_name//opt1//opt2" */
812 while ((p = strrstr(name, "//")) != NULL)
813 {
814 for (s = p + 2; *s; ++s)
815 *s = tolower(*s);
816 switch (index_in_strings("nocompat\0translit\0ignore\0", p + 2)) {
817 case 0:
818 use_compat = FALSE;
819 break;
820 case 1:
821 flag |= FLAG_TRANSLIT;
822 break;
823 case 2:
824 flag |= FLAG_IGNORE;
825 break;
826 }
827 *p = 0;
828 }
829
830 cv->mode = 0;
831 cv->flags = flag;
832 cv->mblen = NULL;
833 cv->flush = NULL;
834 cv->compat = NULL;
835 cv->codepage = name_to_codepage(name);
836 if (cv->codepage == 1200 || cv->codepage == 1201)
837 {
838 cv->mbtowc = utf16_mbtowc;
839 cv->wctomb = utf16_wctomb;
840 if (_stricmp(name, "UTF-16") == 0 || _stricmp(name, "UTF16") == 0 ||
841 _stricmp(name, "UCS-2") == 0 || _stricmp(name, "UCS2") == 0 ||
842 _stricmp(name,"UCS-2-INTERNAL") == 0)
843 cv->flags |= FLAG_USE_BOM;
844 }
845 else if (cv->codepage == 12000 || cv->codepage == 12001)
846 {
847 cv->mbtowc = utf32_mbtowc;
848 cv->wctomb = utf32_wctomb;
849 if (_stricmp(name, "UTF-32") == 0 || _stricmp(name, "UTF32") == 0 ||
850 _stricmp(name, "UCS-4") == 0 || _stricmp(name, "UCS4") == 0)
851 cv->flags |= FLAG_USE_BOM;
852 }
853 else if (cv->codepage == 65001)
854 {
855 cv->mbtowc = kernel_mbtowc;
856 cv->wctomb = kernel_wctomb;
857 cv->mblen = utf8_mblen;
858 }
859 else if ((cv->codepage == 50220 || cv->codepage == 50221 || cv->codepage == 50222) && load_mlang())
860 {
861 cv->mbtowc = iso2022jp_mbtowc;
862 cv->wctomb = iso2022jp_wctomb;
863 cv->flush = iso2022jp_flush;
864 }
865 else if (cv->codepage == 51932 && load_mlang())
866 {
867 cv->mbtowc = mlang_mbtowc;
868 cv->wctomb = mlang_wctomb;
869 cv->mblen = eucjp_mblen;
870 }
871 else if (IsValidCodePage(cv->codepage)
872 && GetCPInfo(cv->codepage, &cpinfo) != 0)
873 {
874 cv->mbtowc = kernel_mbtowc;
875 cv->wctomb = kernel_wctomb;
876 if (cpinfo.MaxCharSize == 1)
877 cv->mblen = sbcs_mblen;
878 else if (cpinfo.MaxCharSize == 2)
879 cv->mblen = dbcs_mblen;
880 else
881 cv->mblen = mbcs_mblen;
882 }
883 else
884 {
885 /* not supported */
886 free(name);
887 errno = EINVAL;
888 return FALSE;
889 }
890
891 if (use_compat)
892 {
893 switch (cv->codepage)
894 {
895 case 932: cv->compat = cp932_compat; break;
896 case 20932: cv->compat = cp20932_compat; break;
897 case 51932: cv->compat = cp51932_compat; break;
898 case 50220: case 50221: case 50222: cv->compat = cp5022x_compat; break;
899 }
900 }
901
902 free(name);
903
904 return TRUE;
905}
906
907static int
908name_to_codepage(const char *name)
909{
910 int i;
911 const char *alias;
912
913 if (*name == '\0' || strcmp(name, "char") == 0)
914 return GetACP();
915 else if (strcmp(name, "wchar_t") == 0)
916 return 1200;
917 else if (_strnicmp(name, "cp", 2) == 0)
918 return atoi(name + 2); /* CP123 */
919 else if ('0' <= name[0] && name[0] <= '9')
920 return atoi(name); /* 123 */
921 else if (_strnicmp(name, "xx", 2) == 0)
922 return atoi(name + 2); /* XX123 for debug */
923
924 i = 0;
925 alias = cp_alias;
926 while (*alias) {
927 if (_stricmp(alias, name) == 0) {
928 return cp_codepage[i];
929 }
930 alias += strlen(alias) + 1;
931 ++i;
932 }
933 return -1;
934}
935
936/*
937 * http://www.faqs.org/rfcs/rfc2781.html
938 */
939static uint
940utf16_to_ucs4(const ushort *wbuf)
941{
942 uint wc = wbuf[0];
943 if (0xD800 <= wbuf[0] && wbuf[0] <= 0xDBFF)
944 wc = ((wbuf[0] & 0x3FF) << 10) + (wbuf[1] & 0x3FF) + 0x10000;
945 return wc;
946}
947
948static void
949ucs4_to_utf16(uint wc, ushort *wbuf, int *wbufsize)
950{
951 if (wc < 0x10000)
952 {
953 wbuf[0] = wc;
954 *wbufsize = 1;
955 }
956 else
957 {
958 wc -= 0x10000;
959 wbuf[0] = 0xD800 | ((wc >> 10) & 0x3FF);
960 wbuf[1] = 0xDC00 | (wc & 0x3FF);
961 *wbufsize = 2;
962 }
963}
964
965/*
966 * Check if codepage is one of those for which the dwFlags parameter
967 * to MultiByteToWideChar() must be zero. Return zero or
968 * MB_ERR_INVALID_CHARS. The docs in Platform SDK for Windows
969 * Server 2003 R2 claims that also codepage 65001 is one of these, but
970 * that doesn't seem to be the case. The MSDN docs for MSVS2008 leave
971 * out 65001 (UTF-8), and that indeed seems to be the case on XP, it
972 * works fine to pass MB_ERR_INVALID_CHARS in dwFlags when converting
973 * from UTF-8.
974 */
975static int
976mbtowc_flags(int codepage)
977{
978 return (codepage == 50220 || codepage == 50221 ||
979 codepage == 50222 || codepage == 50225 ||
980 codepage == 50227 || codepage == 50229 ||
981 codepage == 52936 || codepage == 54936 ||
982 (codepage >= 57002 && codepage <= 57011) ||
983 codepage == 65000 || codepage == 42) ? 0 : MB_ERR_INVALID_CHARS;
984}
985
986/*
987 * Check if codepage is one those for which the lpUsedDefaultChar
988 * parameter to WideCharToMultiByte() must be NULL. The docs in
989 * Platform SDK for Windows Server 2003 R2 claims that this is the
990 * list below, while the MSDN docs for MSVS2008 claim that it is only
991 * for 65000 (UTF-7) and 65001 (UTF-8). This time the earlier Platform
992 * SDK seems to be correct, at least for XP.
993 */
994static int
995must_use_null_useddefaultchar(int codepage)
996{
997 return (codepage == 65000 || codepage == 65001 ||
998 codepage == 50220 || codepage == 50221 ||
999 codepage == 50222 || codepage == 50225 ||
1000 codepage == 50227 || codepage == 50229 ||
1001 codepage == 52936 || codepage == 54936 ||
1002 (codepage >= 57002 && codepage <= 57011) ||
1003 codepage == 42);
1004}
1005
1006static int
1007seterror(int err)
1008{
1009 errno = err;
1010 return -1;
1011}
1012
1013static int
1014sbcs_mblen(csconv_t *cv UNUSED_PARAM, const uchar *buf UNUSED_PARAM,
1015 int bufsize UNUSED_PARAM)
1016{
1017 return 1;
1018}
1019
1020static int
1021dbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize)
1022{
1023 int len = IsDBCSLeadByteEx(cv->codepage, buf[0]) ? 2 : 1;
1024 if (bufsize < len)
1025 return seterror(EINVAL);
1026 return len;
1027}
1028
1029static int
1030mbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize)
1031{
1032 int len = 0;
1033
1034 if (cv->codepage == 54936) {
1035 if (buf[0] <= 0x7F)
1036 len = 1;
1037 else if (buf[0] >= 0x81 && buf[0] <= 0xFE &&
1038 bufsize >= 2 &&
1039 ((buf[1] >= 0x40 && buf[1] <= 0x7E) ||
1040 (buf[1] >= 0x80 && buf[1] <= 0xFE)))
1041 len = 2;
1042 else if (buf[0] >= 0x81 && buf[0] <= 0xFE &&
1043 bufsize >= 4 &&
1044 buf[1] >= 0x30 && buf[1] <= 0x39)
1045 len = 4;
1046 else
1047 return seterror(EINVAL);
1048 return len;
1049 }
1050 else
1051 return seterror(EINVAL);
1052}
1053
1054static int
1055utf8_mblen(csconv_t *cv UNUSED_PARAM, const uchar *buf, int bufsize)
1056{
1057 int len = 0;
1058
1059 if (buf[0] < 0x80) len = 1;
1060 else if ((buf[0] & 0xE0) == 0xC0) len = 2;
1061 else if ((buf[0] & 0xF0) == 0xE0) len = 3;
1062 else if ((buf[0] & 0xF8) == 0xF0) len = 4;
1063 else if ((buf[0] & 0xFC) == 0xF8) len = 5;
1064 else if ((buf[0] & 0xFE) == 0xFC) len = 6;
1065
1066 if (len == 0)
1067 return seterror(EILSEQ);
1068 else if (bufsize < len)
1069 return seterror(EINVAL);
1070 return len;
1071}
1072
1073static int
1074eucjp_mblen(csconv_t *cv UNUSED_PARAM, const uchar *buf, int bufsize)
1075{
1076 if (buf[0] < 0x80) /* ASCII */
1077 return 1;
1078 else if (buf[0] == 0x8E) /* JIS X 0201 */
1079 {
1080 if (bufsize < 2)
1081 return seterror(EINVAL);
1082 else if (!(0xA1 <= buf[1] && buf[1] <= 0xDF))
1083 return seterror(EILSEQ);
1084 return 2;
1085 }
1086 else if (buf[0] == 0x8F) /* JIS X 0212 */
1087 {
1088 if (bufsize < 3)
1089 return seterror(EINVAL);
1090 else if (!(0xA1 <= buf[1] && buf[1] <= 0xFE)
1091 || !(0xA1 <= buf[2] && buf[2] <= 0xFE))
1092 return seterror(EILSEQ);
1093 return 3;
1094 }
1095 else /* JIS X 0208 */
1096 {
1097 if (bufsize < 2)
1098 return seterror(EINVAL);
1099 else if (!(0xA1 <= buf[0] && buf[0] <= 0xFE)
1100 || !(0xA1 <= buf[1] && buf[1] <= 0xFE))
1101 return seterror(EILSEQ);
1102 return 2;
1103 }
1104}
1105
1106static int
1107kernel_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize)
1108{
1109 int len;
1110
1111 len = cv->mblen(cv, buf, bufsize);
1112 if (len == -1)
1113 return -1;
1114 /* If converting from ASCII, reject 8bit
1115 * chars. MultiByteToWideChar() doesn't. Note that for ASCII we
1116 * know that the mblen function is sbcs_mblen() so len is 1.
1117 */
1118 if (cv->codepage == 20127 && buf[0] >= 0x80)
1119 return seterror(EILSEQ);
1120 *wbufsize = MultiByteToWideChar(cv->codepage, mbtowc_flags (cv->codepage),
1121 (const char *)buf, len, (wchar_t *)wbuf, *wbufsize);
1122 if (*wbufsize == 0)
1123 return seterror(EILSEQ);
1124 return len;
1125}
1126
1127static int
1128kernel_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize)
1129{
1130 BOOL usedDefaultChar = 0;
1131 BOOL *p = NULL;
1132 int flags = 0;
1133 int len;
1134
1135 if (bufsize == 0)
1136 return seterror(E2BIG);
1137 if (!must_use_null_useddefaultchar(cv->codepage))
1138 {
1139 p = &usedDefaultChar;
1140#ifdef WC_NO_BEST_FIT_CHARS
1141 if (!(cv->flags & FLAG_TRANSLIT))
1142 flags |= WC_NO_BEST_FIT_CHARS;
1143#endif
1144 }
1145 len = WideCharToMultiByte(cv->codepage, flags,
1146 (const wchar_t *)wbuf, wbufsize, (char *)buf, bufsize, NULL, p);
1147 if (len == 0)
1148 {
1149 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
1150 return seterror(E2BIG);
1151 return seterror(EILSEQ);
1152 }
1153 else if (usedDefaultChar && !(cv->flags & FLAG_TRANSLIT))
1154 return seterror(EILSEQ);
1155 else if (cv->mblen(cv, buf, len) != len) /* validate result */
1156 return seterror(EILSEQ);
1157 return len;
1158}
1159
1160/*
1161 * It seems that the mode (cv->mode) is fixnum.
1162 * For example, when converting iso-2022-jp(cp50221) to unicode:
1163 * in ascii sequence: mode=0xC42C0000
1164 * in jisx0208 sequence: mode=0xC42C0001
1165 * "C42C" is same for each convert session.
1166 * It should be: ((codepage-1)<<16)|state
1167 */
1168static int
1169mlang_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize)
1170{
1171 int len;
1172 int insize;
1173 HRESULT hr;
1174
1175 len = cv->mblen(cv, buf, bufsize);
1176 if (len == -1)
1177 return -1;
1178 insize = len;
1179 hr = ConvertINetMultiByteToUnicode(&cv->mode, cv->codepage,
1180 (const char *)buf, &insize, (wchar_t *)wbuf, wbufsize);
1181 if (hr != S_OK || insize != len)
1182 return seterror(EILSEQ);
1183 return len;
1184}
1185
1186static int
1187mlang_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize)
1188{
1189 char tmpbuf[MB_CHAR_MAX]; /* enough room for one character */
1190 int tmpsize = MB_CHAR_MAX;
1191 int insize = wbufsize;
1192 HRESULT hr;
1193
1194 hr = ConvertINetUnicodeToMultiByte(&cv->mode, cv->codepage,
1195 (const wchar_t *)wbuf, &wbufsize, tmpbuf, &tmpsize);
1196 if (hr != S_OK || insize != wbufsize)
1197 return seterror(EILSEQ);
1198 else if (bufsize < tmpsize)
1199 return seterror(E2BIG);
1200 else if (cv->mblen(cv, (uchar *)tmpbuf, tmpsize) != tmpsize)
1201 return seterror(EILSEQ);
1202 memcpy(buf, tmpbuf, tmpsize);
1203 return tmpsize;
1204}
1205
1206static int
1207utf16_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize)
1208{
1209 int codepage = cv->codepage;
1210
1211 /* swap endian: 1200 <-> 1201 */
1212 if (cv->mode & UNICODE_MODE_SWAPPED)
1213 codepage ^= 1;
1214
1215 if (bufsize < 2)
1216 return seterror(EINVAL);
1217 if (codepage == 1200) /* little endian */
1218 wbuf[0] = (buf[1] << 8) | buf[0];
1219 else if (codepage == 1201) /* big endian */
1220 wbuf[0] = (buf[0] << 8) | buf[1];
1221
1222 if ((cv->flags & FLAG_USE_BOM) && !(cv->mode & UNICODE_MODE_BOM_DONE))
1223 {
1224 cv->mode |= UNICODE_MODE_BOM_DONE;
1225 if (wbuf[0] == 0xFFFE)
1226 {
1227 cv->mode |= UNICODE_MODE_SWAPPED;
1228 *wbufsize = 0;
1229 return 2;
1230 }
1231 else if (wbuf[0] == 0xFEFF)
1232 {
1233 *wbufsize = 0;
1234 return 2;
1235 }
1236 }
1237
1238 if (0xDC00 <= wbuf[0] && wbuf[0] <= 0xDFFF)
1239 return seterror(EILSEQ);
1240 if (0xD800 <= wbuf[0] && wbuf[0] <= 0xDBFF)
1241 {
1242 if (bufsize < 4)
1243 return seterror(EINVAL);
1244 if (codepage == 1200) /* little endian */
1245 wbuf[1] = (buf[3] << 8) | buf[2];
1246 else if (codepage == 1201) /* big endian */
1247 wbuf[1] = (buf[2] << 8) | buf[3];
1248 if (!(0xDC00 <= wbuf[1] && wbuf[1] <= 0xDFFF))
1249 return seterror(EILSEQ);
1250 *wbufsize = 2;
1251 return 4;
1252 }
1253 *wbufsize = 1;
1254 return 2;
1255}
1256
1257static int
1258utf16_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize)
1259{
1260 if ((cv->flags & FLAG_USE_BOM) && !(cv->mode & UNICODE_MODE_BOM_DONE))
1261 {
1262 int r;
1263
1264 cv->mode |= UNICODE_MODE_BOM_DONE;
1265 if (bufsize < 2)
1266 return seterror(E2BIG);
1267 if (cv->codepage == 1200) /* little endian */
1268 memcpy(buf, "\xFF\xFE", 2);
1269 else if (cv->codepage == 1201) /* big endian */
1270 memcpy(buf, "\xFE\xFF", 2);
1271
1272 r = utf16_wctomb(cv, wbuf, wbufsize, buf + 2, bufsize - 2);
1273 if (r == -1)
1274 return -1;
1275 return r + 2;
1276 }
1277
1278 if (bufsize < 2)
1279 return seterror(E2BIG);
1280 if (cv->codepage == 1200) /* little endian */
1281 {
1282 buf[0] = (wbuf[0] & 0x00FF);
1283 buf[1] = (wbuf[0] & 0xFF00) >> 8;
1284 }
1285 else if (cv->codepage == 1201) /* big endian */
1286 {
1287 buf[0] = (wbuf[0] & 0xFF00) >> 8;
1288 buf[1] = (wbuf[0] & 0x00FF);
1289 }
1290 if (0xD800 <= wbuf[0] && wbuf[0] <= 0xDBFF)
1291 {
1292 if (bufsize < 4)
1293 return seterror(E2BIG);
1294 if (cv->codepage == 1200) /* little endian */
1295 {
1296 buf[2] = (wbuf[1] & 0x00FF);
1297 buf[3] = (wbuf[1] & 0xFF00) >> 8;
1298 }
1299 else if (cv->codepage == 1201) /* big endian */
1300 {
1301 buf[2] = (wbuf[1] & 0xFF00) >> 8;
1302 buf[3] = (wbuf[1] & 0x00FF);
1303 }
1304 return 4;
1305 }
1306 return 2;
1307}
1308
1309static int
1310utf32_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize)
1311{
1312 int codepage = cv->codepage;
1313 uint wc = 0xD800;
1314
1315 /* swap endian: 12000 <-> 12001 */
1316 if (cv->mode & UNICODE_MODE_SWAPPED)
1317 codepage ^= 1;
1318
1319 if (bufsize < 4)
1320 return seterror(EINVAL);
1321 if (codepage == 12000) /* little endian */
1322 wc = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
1323 else if (codepage == 12001) /* big endian */
1324 wc = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
1325
1326 if ((cv->flags & FLAG_USE_BOM) && !(cv->mode & UNICODE_MODE_BOM_DONE))
1327 {
1328 cv->mode |= UNICODE_MODE_BOM_DONE;
1329 if (wc == 0xFFFE0000)
1330 {
1331 cv->mode |= UNICODE_MODE_SWAPPED;
1332 *wbufsize = 0;
1333 return 4;
1334 }
1335 else if (wc == 0x0000FEFF)
1336 {
1337 *wbufsize = 0;
1338 return 4;
1339 }
1340 }
1341
1342 if ((0xD800 <= wc && wc <= 0xDFFF) || 0x10FFFF < wc)
1343 return seterror(EILSEQ);
1344 ucs4_to_utf16(wc, wbuf, wbufsize);
1345 return 4;
1346}
1347
1348static int
1349utf32_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize)
1350{
1351 uint wc;
1352
1353 if ((cv->flags & FLAG_USE_BOM) && !(cv->mode & UNICODE_MODE_BOM_DONE))
1354 {
1355 int r;
1356
1357 cv->mode |= UNICODE_MODE_BOM_DONE;
1358 if (bufsize < 4)
1359 return seterror(E2BIG);
1360 if (cv->codepage == 12000) /* little endian */
1361 memcpy(buf, "\xFF\xFE\x00\x00", 4);
1362 else if (cv->codepage == 12001) /* big endian */
1363 memcpy(buf, "\x00\x00\xFE\xFF", 4);
1364
1365 r = utf32_wctomb(cv, wbuf, wbufsize, buf + 4, bufsize - 4);
1366 if (r == -1)
1367 return -1;
1368 return r + 4;
1369 }
1370
1371 if (bufsize < 4)
1372 return seterror(E2BIG);
1373 wc = utf16_to_ucs4(wbuf);
1374 if (cv->codepage == 12000) /* little endian */
1375 {
1376 buf[0] = wc & 0x000000FF;
1377 buf[1] = (wc & 0x0000FF00) >> 8;
1378 buf[2] = (wc & 0x00FF0000) >> 16;
1379 buf[3] = (wc & 0xFF000000) >> 24;
1380 }
1381 else if (cv->codepage == 12001) /* big endian */
1382 {
1383 buf[0] = (wc & 0xFF000000) >> 24;
1384 buf[1] = (wc & 0x00FF0000) >> 16;
1385 buf[2] = (wc & 0x0000FF00) >> 8;
1386 buf[3] = wc & 0x000000FF;
1387 }
1388 return 4;
1389}
1390
1391/*
1392 * 50220: ISO 2022 Japanese with no halfwidth Katakana; Japanese (JIS)
1393 * 50221: ISO 2022 Japanese with halfwidth Katakana; Japanese (JIS-Allow
1394 * 1 byte Kana)
1395 * 50222: ISO 2022 Japanese JIS X 0201-1989; Japanese (JIS-Allow 1 byte
1396 * Kana - SO/SI)
1397 *
1398 * MultiByteToWideChar() and WideCharToMultiByte() behave differently
1399 * depending on Windows version. On XP, WideCharToMultiByte() doesn't
1400 * terminate result sequence with ascii escape. But Vista does.
1401 * Use MLang instead.
1402 */
1403
1404#define ISO2022_MODE(cs, shift) (((cs) << 8) | (shift))
1405#define ISO2022_MODE_CS(mode) (((mode) >> 8) & 0xFF)
1406#define ISO2022_MODE_SHIFT(mode) ((mode) & 0xFF)
1407
1408#define ISO2022_SI 0
1409#define ISO2022_SO 1
1410
1411/* shift in */
1412static const char iso2022_SI_seq[] = "\x0F";
1413/* shift out */
1414static const char iso2022_SO_seq[] = "\x0E";
1415
1416typedef struct iso2022_esc_t iso2022_esc_t;
1417struct iso2022_esc_t {
1418 const char *esc;
1419 int esc_len;
1420 int len;
1421 int cs;
1422};
1423
1424#define ISO2022JP_CS_ASCII 0
1425#define ISO2022JP_CS_JISX0201_ROMAN 1
1426#define ISO2022JP_CS_JISX0201_KANA 2
1427#define ISO2022JP_CS_JISX0208_1978 3
1428#define ISO2022JP_CS_JISX0208_1983 4
1429#define ISO2022JP_CS_JISX0212 5
1430
1431static iso2022_esc_t iso2022jp_esc[] = {
1432 {"\x1B\x28\x42", 3, 1, ISO2022JP_CS_ASCII},
1433 {"\x1B\x28\x4A", 3, 1, ISO2022JP_CS_JISX0201_ROMAN},
1434 {"\x1B\x28\x49", 3, 1, ISO2022JP_CS_JISX0201_KANA},
1435 {"\x1B\x24\x40", 3, 2, ISO2022JP_CS_JISX0208_1983}, /* unify 1978 with 1983 */
1436 {"\x1B\x24\x42", 3, 2, ISO2022JP_CS_JISX0208_1983},
1437 {"\x1B\x24\x28\x44", 4, 2, ISO2022JP_CS_JISX0212},
1438 {NULL, 0, 0, 0}
1439};
1440
1441static int
1442iso2022jp_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize)
1443{
1444 iso2022_esc_t *iesc = iso2022jp_esc;
1445 char tmp[MB_CHAR_MAX];
1446 int insize;
1447 HRESULT hr;
1448 DWORD dummy = 0;
1449 int len;
1450 int esc_len;
1451 int cs;
1452 int shift;
1453 int i;
1454
1455 if (buf[0] == 0x1B)
1456 {
1457 for (i = 0; iesc[i].esc != NULL; ++i)
1458 {
1459 esc_len = iesc[i].esc_len;
1460 if (bufsize < esc_len)
1461 {
1462 if (strncmp((char *)buf, iesc[i].esc, bufsize) == 0)
1463 return seterror(EINVAL);
1464 }
1465 else
1466 {
1467 if (strncmp((char *)buf, iesc[i].esc, esc_len) == 0)
1468 {
1469 cv->mode = ISO2022_MODE(iesc[i].cs, ISO2022_SI);
1470 *wbufsize = 0;
1471 return esc_len;
1472 }
1473 }
1474 }
1475 /* not supported escape sequence */
1476 return seterror(EILSEQ);
1477 }
1478 else if (buf[0] == iso2022_SO_seq[0])
1479 {
1480 cv->mode = ISO2022_MODE(ISO2022_MODE_CS(cv->mode), ISO2022_SO);
1481 *wbufsize = 0;
1482 return 1;
1483 }
1484 else if (buf[0] == iso2022_SI_seq[0])
1485 {
1486 cv->mode = ISO2022_MODE(ISO2022_MODE_CS(cv->mode), ISO2022_SI);
1487 *wbufsize = 0;
1488 return 1;
1489 }
1490
1491 cs = ISO2022_MODE_CS(cv->mode);
1492 shift = ISO2022_MODE_SHIFT(cv->mode);
1493
1494 /* reset the mode for informal sequence */
1495 if (buf[0] < 0x20)
1496 {
1497 cs = ISO2022JP_CS_ASCII;
1498 shift = ISO2022_SI;
1499 }
1500
1501 len = iesc[cs].len;
1502 if (bufsize < len)
1503 return seterror(EINVAL);
1504 for (i = 0; i < len; ++i)
1505 if (!(buf[i] < 0x80))
1506 return seterror(EILSEQ);
1507 esc_len = iesc[cs].esc_len;
1508 memcpy(tmp, iesc[cs].esc, esc_len);
1509 if (shift == ISO2022_SO)
1510 {
1511 memcpy(tmp + esc_len, iso2022_SO_seq, 1);
1512 esc_len += 1;
1513 }
1514 memcpy(tmp + esc_len, buf, len);
1515
1516 if ((cv->codepage == 50220 || cv->codepage == 50221
1517 || cv->codepage == 50222) && shift == ISO2022_SO)
1518 {
1519 /* XXX: shift-out cannot be used for mbtowc (both kernel and
1520 * mlang) */
1521 esc_len = iesc[ISO2022JP_CS_JISX0201_KANA].esc_len;
1522 memcpy(tmp, iesc[ISO2022JP_CS_JISX0201_KANA].esc, esc_len);
1523 memcpy(tmp + esc_len, buf, len);
1524 }
1525
1526 insize = len + esc_len;
1527 hr = ConvertINetMultiByteToUnicode(&dummy, cv->codepage,
1528 (const char *)tmp, &insize, (wchar_t *)wbuf, wbufsize);
1529 if (hr != S_OK || insize != len + esc_len)
1530 return seterror(EILSEQ);
1531
1532 /* Check for conversion error. Assuming defaultChar is 0x3F. */
1533 /* ascii should be converted from ascii */
1534 if (wbuf[0] == buf[0]
1535 && cv->mode != ISO2022_MODE(ISO2022JP_CS_ASCII, ISO2022_SI))
1536 return seterror(EILSEQ);
1537
1538 /* reset the mode for informal sequence */
1539 if (cv->mode != ISO2022_MODE(cs, shift))
1540 cv->mode = ISO2022_MODE(cs, shift);
1541
1542 return len;
1543}
1544
1545static int
1546iso2022jp_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize)
1547{
1548 iso2022_esc_t *iesc = iso2022jp_esc;
1549 char tmp[MB_CHAR_MAX];
1550 int tmpsize = MB_CHAR_MAX;
1551 int insize = wbufsize;
1552 HRESULT hr;
1553 DWORD dummy = 0;
1554 int len;
1555 int esc_len;
1556 int cs;
1557 int shift;
1558 int i;
1559
1560 /*
1561 * MultiByte = [escape sequence] + character + [escape sequence]
1562 *
1563 * Whether trailing escape sequence is added depends on which API is
1564 * used (kernel or MLang, and its version).
1565 */
1566 hr = ConvertINetUnicodeToMultiByte(&dummy, cv->codepage,
1567 (const wchar_t *)wbuf, &wbufsize, tmp, &tmpsize);
1568 if (hr != S_OK || insize != wbufsize)
1569 return seterror(EILSEQ);
1570 else if (bufsize < tmpsize)
1571 return seterror(E2BIG);
1572
1573 if (tmpsize == 1)
1574 {
1575 cs = ISO2022JP_CS_ASCII;
1576 esc_len = 0;
1577 }
1578 else
1579 {
1580 for (i = 1; iesc[i].esc != NULL; ++i)
1581 {
1582 esc_len = iesc[i].esc_len;
1583 if (strncmp(tmp, iesc[i].esc, esc_len) == 0)
1584 {
1585 cs = iesc[i].cs;
1586 break;
1587 }
1588 }
1589 if (iesc[i].esc == NULL)
1590 /* not supported escape sequence */
1591 return seterror(EILSEQ);
1592 }
1593
1594 shift = ISO2022_SI;
1595 if (tmp[esc_len] == iso2022_SO_seq[0])
1596 {
1597 shift = ISO2022_SO;
1598 esc_len += 1;
1599 }
1600
1601 len = iesc[cs].len;
1602
1603 /* Check for converting error. Assuming defaultChar is 0x3F. */
1604 /* ascii should be converted from ascii */
1605 if (cs == ISO2022JP_CS_ASCII && !(wbuf[0] < 0x80))
1606 return seterror(EILSEQ);
1607 else if (tmpsize < esc_len + len)
1608 return seterror(EILSEQ);
1609
1610 if (cv->mode == ISO2022_MODE(cs, shift))
1611 {
1612 /* remove escape sequence */
1613 if (esc_len != 0)
1614 memmove(tmp, tmp + esc_len, len);
1615 esc_len = 0;
1616 }
1617 else
1618 {
1619 if (cs == ISO2022JP_CS_ASCII)
1620 {
1621 esc_len = iesc[ISO2022JP_CS_ASCII].esc_len;
1622 memmove(tmp + esc_len, tmp, len);
1623 memcpy(tmp, iesc[ISO2022JP_CS_ASCII].esc, esc_len);
1624 }
1625 if (ISO2022_MODE_SHIFT(cv->mode) == ISO2022_SO)
1626 {
1627 /* shift-in before changing to other mode */
1628 memmove(tmp + 1, tmp, len + esc_len);
1629 memcpy(tmp, iso2022_SI_seq, 1);
1630 esc_len += 1;
1631 }
1632 }
1633
1634 if (bufsize < len + esc_len)
1635 return seterror(E2BIG);
1636 memcpy(buf, tmp, len + esc_len);
1637 cv->mode = ISO2022_MODE(cs, shift);
1638 return len + esc_len;
1639}
1640
1641static int
1642iso2022jp_flush(csconv_t *cv, uchar *buf, int bufsize)
1643{
1644 iso2022_esc_t *iesc = iso2022jp_esc;
1645 int esc_len;
1646
1647 if (cv->mode != ISO2022_MODE(ISO2022JP_CS_ASCII, ISO2022_SI))
1648 {
1649 esc_len = 0;
1650 if (ISO2022_MODE_SHIFT(cv->mode) != ISO2022_SI)
1651 esc_len += 1;
1652 if (ISO2022_MODE_CS(cv->mode) != ISO2022JP_CS_ASCII)
1653 esc_len += iesc[ISO2022JP_CS_ASCII].esc_len;
1654 if (bufsize < esc_len)
1655 return seterror(E2BIG);
1656
1657 esc_len = 0;
1658 if (ISO2022_MODE_SHIFT(cv->mode) != ISO2022_SI)
1659 {
1660 memcpy(buf, iso2022_SI_seq, 1);
1661 esc_len += 1;
1662 }
1663 if (ISO2022_MODE_CS(cv->mode) != ISO2022JP_CS_ASCII)
1664 {
1665 memcpy(buf + esc_len, iesc[ISO2022JP_CS_ASCII].esc,
1666 iesc[ISO2022JP_CS_ASCII].esc_len);
1667 esc_len += iesc[ISO2022JP_CS_ASCII].esc_len;
1668 }
1669 return esc_len;
1670 }
1671 return 0;
1672}
1673
1674static void process_file(iconv_t cd, FILE *in, FILE *out)
1675{
1676 char inbuf[BUFSIZ];
1677 char outbuf[BUFSIZ];
1678 const char *pin;
1679 char *pout;
1680 size_t inbytesleft;
1681 size_t outbytesleft;
1682 size_t rest = 0;
1683 size_t r;
1684
1685 while ((inbytesleft=fread(inbuf+rest, 1, sizeof(inbuf)-rest, in)) != 0
1686 || rest != 0) {
1687 inbytesleft += rest;
1688 pin = inbuf;
1689 pout = outbuf;
1690 outbytesleft = sizeof(outbuf);
1691 r = iconv(cd, &pin, &inbytesleft, &pout, &outbytesleft);
1692 fwrite(outbuf, 1, sizeof(outbuf) - outbytesleft, out);
1693 if (r == (size_t)(-1) && errno != E2BIG &&
1694 (errno != EINVAL || feof(in)))
1695 bb_perror_msg_and_die("conversion error");
1696 memmove(inbuf, pin, inbytesleft);
1697 rest = inbytesleft;
1698 if (rest == 0 && feof(in))
1699 break;
1700 }
1701 pout = outbuf;
1702 outbytesleft = sizeof(outbuf);
1703 r = iconv(cd, NULL, NULL, &pout, &outbytesleft);
1704 fwrite(outbuf, 1, sizeof(outbuf) - outbytesleft, out);
1705 if (r == (size_t)(-1))
1706 bb_perror_msg_and_die("conversion error");
1707}
1708
1709enum {
1710 OPT_f = (1 << 0),
1711 OPT_t = (1 << 1),
1712 OPT_l = (1 << 2),
1713 OPT_c = (1 << 3),
1714 OPT_o = (1 << 4),
1715};
1716
1717int iconv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
1718int iconv_main(int argc, char **argv)
1719{
1720 const char *fromcode = "", *tocode = "", *outfile;
1721 char *tmpname = NULL;
1722 int i, opt;
1723 iconv_t cd;
1724 FILE *in;
1725 FILE *out = stdout;
1726
1727 opt = getopt32(argv, "f:t:lco:", &fromcode, &tocode, &outfile);
1728
1729 if (opt & OPT_l) {
1730 const char *alias = cp_alias;
1731 while (*alias) {
1732 printf("%s\n", alias);
1733 alias += strlen(alias) + 1;
1734 }
1735 return 0;
1736 }
1737
1738 if (opt & OPT_o) {
1739 tmpname = xasprintf("%sXXXXXX", outfile);
1740 mktemp(tmpname);
1741 out = xfopen(tmpname, "wb");
1742 }
1743
1744 if (opt & OPT_c)
1745 tocode = xasprintf("%s//IGNORE", tocode);
1746
1747 cd = iconv_open(tocode, fromcode);
1748 if (cd == (iconv_t)(-1))
1749 bb_perror_msg_and_die("iconv_open error");
1750
1751 if (optind == argc)
1752 argv[argc++] = (char *)"-";
1753
1754 for (i=optind; i<argc; ++i) {
1755 if (argv[i][0] == '-' && argv[i][1] == '\0')
1756 in = stdin;
1757 else
1758 in = xfopen(argv[optind], "rb");
1759 process_file(cd, in, out);
1760 fclose(in);
1761 }
1762
1763 if (tmpname) {
1764 fclose(out);
1765 xrename(tmpname, outfile);
1766 }
1767
1768 if (ENABLE_FEATURE_CLEAN_UP)
1769 iconv_close(cd);
1770 return 0;
1771}
diff --git a/miscutils/inotifyd.c b/miscutils/inotifyd.c
index 8bff86ae5..fdd04c292 100644
--- a/miscutils/inotifyd.c
+++ b/miscutils/inotifyd.c
@@ -45,8 +45,11 @@
45//usage: "\nPROG ACTUAL_EVENTS FILEn [SUBFILE] is run." 45//usage: "\nPROG ACTUAL_EVENTS FILEn [SUBFILE] is run."
46//usage: "\nIf PROG is -, events are sent to stdout." 46//usage: "\nIf PROG is -, events are sent to stdout."
47//usage: "\nEvents:" 47//usage: "\nEvents:"
48//usage: IF_NOT_PLATFORM_MINGW32(
48//usage: "\n a File is accessed" 49//usage: "\n a File is accessed"
50//usage: )
49//usage: "\n c File is modified" 51//usage: "\n c File is modified"
52//usage: IF_NOT_PLATFORM_MINGW32(
50//usage: "\n e Metadata changed" 53//usage: "\n e Metadata changed"
51//usage: "\n w Writable file is closed" 54//usage: "\n w Writable file is closed"
52//usage: "\n 0 Unwritable file is closed" 55//usage: "\n 0 Unwritable file is closed"
@@ -55,8 +58,11 @@
55//usage: "\n M File is moved" 58//usage: "\n M File is moved"
56//usage: "\n u Backing fs is unmounted" 59//usage: "\n u Backing fs is unmounted"
57//usage: "\n o Event queue overflowed" 60//usage: "\n o Event queue overflowed"
61//usage: )
58//usage: "\n x File can't be watched anymore" 62//usage: "\n x File can't be watched anymore"
63//usage: IF_NOT_PLATFORM_MINGW32(
59//usage: "\nIf watching a directory:" 64//usage: "\nIf watching a directory:"
65//usage: )
60//usage: "\n y Subfile is moved into dir" 66//usage: "\n y Subfile is moved into dir"
61//usage: "\n m Subfile is moved out of dir" 67//usage: "\n m Subfile is moved out of dir"
62//usage: "\n n Subfile is created" 68//usage: "\n n Subfile is created"
@@ -69,6 +75,7 @@
69#include "common_bufsiz.h" 75#include "common_bufsiz.h"
70#include <sys/inotify.h> 76#include <sys/inotify.h>
71 77
78#if !ENABLE_PLATFORM_MINGW32
72static const char mask_names[] ALIGN1 = 79static const char mask_names[] ALIGN1 =
73 "a" // 0x00000001 File was accessed 80 "a" // 0x00000001 File was accessed
74 "c" // 0x00000002 File was modified 81 "c" // 0x00000002 File was modified
@@ -222,3 +229,207 @@ int inotifyd_main(int argc, char **argv)
222 done: 229 done:
223 return bb_got_signal; 230 return bb_got_signal;
224} 231}
232#else /* ENABLE_PLATFORM_MINGW32 */
233/*
234 * Order is important: the indices match the values taken by the
235 * Action member of the FILE_NOTIFY_INFORMATION structure, including
236 * the undocumented zero value when the directory itself is deleted.
237 */
238static const char mask_names[] ALIGN1 =
239 "x" // File is no longer watched (usually deleted)
240 "n" // Subfile was created
241 "d" // Subfile was deleted
242 "c" // File was modified
243 "m" // File was moved from X
244 "y" // File was moved to Y
245;
246
247enum {
248 MASK_BITS = sizeof(mask_names) - 1
249};
250
251static const unsigned mask_values[] = {
252 0x000, // File is no longer watched (usually deleted)
253 0x003, // Subfile was created
254 0x003, // Subfile was deleted
255 0x1fc, // File was modified (everything except create/delete/move)
256 0x003, // File was moved from X
257 0x003, // File was moved to Y
258};
259
260struct watch {
261 HANDLE hdir;
262 HANDLE hevent;
263 DWORD mask; // notification filter
264 DWORD bits; // events to report
265 OVERLAPPED overlap;
266 const char *dirname;
267 char buf[2048];
268};
269
270static void run_agent(const char *agent, FILE_NOTIFY_INFORMATION *info,
271 struct watch *w)
272{
273 int len;
274 char filename[MAX_PATH];
275 char event[2];
276 const char *args[5];
277
278 memset(filename, 0, sizeof(filename));
279 len = WideCharToMultiByte(CP_ACP, 0, info->FileName,
280 info->FileNameLength/2, filename, sizeof(filename),
281 NULL, NULL);
282
283 if (info->Action >= 0 && info->Action < 6 &&
284 ((1 << info->Action) & w->bits)) {
285 event[0] = mask_names[info->Action];
286 event[1] = '\0';
287
288 if (LONE_CHAR(agent, '-')) {
289 /* "inotifyd - FILE": built-in echo */
290 printf(len ? "%s\t%s\t%s\n" : "%s\t%s\n",
291 event, w->dirname, filename);
292 fflush(stdout);
293 }
294 else {
295 args[0] = agent;
296 args[1] = event;
297 args[2] = w->dirname;
298 args[3] = len ? filename : NULL;
299 args[4] = NULL;
300 spawn_and_wait((char **)args);
301 }
302 }
303}
304
305static BOOL start_watch(struct watch *w)
306{
307 DWORD nret;
308
309 memset(w->buf, 0, sizeof(w->buf));
310 memset(&w->overlap, 0, sizeof(OVERLAPPED));
311 w->overlap.hEvent = w->hevent;
312 ResetEvent(w->hevent);
313
314 return ReadDirectoryChangesW(w->hdir, w->buf, sizeof(w->buf),
315 FALSE, w->mask, &nret, &w->overlap, NULL);
316}
317
318int inotifyd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
319int inotifyd_main(int argc, char **argv)
320{
321 int n;
322 unsigned mask, bits;
323 const char *agent;
324 HANDLE *hevent;
325 struct watch *watch;
326
327 // sanity check: agent and at least one watch must be given
328 if (!argv[1] || !argv[2])
329 bb_show_usage();
330
331 argv++;
332 agent = *argv;
333 argc -= 2; // number of files we watch
334
335 watch = (struct watch *)xzalloc(argc * sizeof(struct watch));
336 hevent = (HANDLE *)xzalloc(argc * sizeof(HANDLE));
337
338 // setup watches
339 for (n = 0; *++argv; ++n) {
340 char *masks;
341
342 masks = strrchr(*argv, ':');
343 // don't confuse a drive prefix with a mask
344 if (masks && masks != (*argv)+1)
345 *masks = '\0';
346
347 mask = 0x01ff; // assuming we want all notifications
348 bits = 0x3f; // assuming we want to report everything
349 // if mask is specified ->
350 if (masks && *masks == '\0') {
351 // convert names to notification filter and report bitmask
352 mask = bits = 0;
353 while (*++masks) {
354 const char *found;
355 found = memchr(mask_names, *masks, MASK_BITS);
356 if (found) {
357 mask |= mask_values[(found - mask_names)];
358 bits |= (1 << (found - mask_names));
359 }
360 }
361 }
362
363 if (mask == 0)
364 bb_error_msg_and_die("%s: invalid mask\n", *argv);
365
366 if (!is_directory(*argv, FALSE))
367 bb_error_msg_and_die("%s: not a directory", *argv);
368
369 watch[n].hdir = CreateFile(*argv, GENERIC_READ|FILE_LIST_DIRECTORY,
370 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
371 NULL, OPEN_EXISTING,
372 FILE_FLAG_BACKUP_SEMANTICS|FILE_FLAG_OVERLAPPED, NULL);
373 if (watch[n].hdir == INVALID_HANDLE_VALUE)
374 break;
375
376 watch[n].dirname = *argv;
377 watch[n].mask = mask;
378 watch[n].bits = bits;
379 watch[n].hevent = hevent[n] = CreateEvent(NULL, TRUE, FALSE, NULL);
380
381 if (!start_watch(watch+n))
382 break;
383 }
384
385 if (*argv != NULL) {
386 errno = err_win_to_posix();
387 bb_perror_msg_and_die("add watch (%s) failed", *argv);
388 }
389
390 while (1) {
391 DWORD status;
392
393 status = WaitForMultipleObjects(n, hevent, FALSE, INFINITE);
394 if (WAIT_OBJECT_0 <= status && status < WAIT_OBJECT_0 + n) {
395 FILE_NOTIFY_INFORMATION *info;
396 int index = status - WAIT_OBJECT_0;
397 int offset = 0;
398 struct watch *w = watch + index;
399 int got_zero = 0;
400
401 do {
402 info = (FILE_NOTIFY_INFORMATION *)(w->buf + offset);
403 got_zero += (info->Action == 0);
404 run_agent(agent, info, w);
405 offset += info->NextEntryOffset;
406 } while (info->NextEntryOffset);
407
408 if (!start_watch(w)) {
409 // directory was deleted?
410 int i, count;
411
412 if (!got_zero) {
413 // we haven't seen an 'x' event, fake one
414 memset(info, 0, sizeof(FILE_NOTIFY_INFORMATION));
415 run_agent(agent, info, w);
416 }
417
418 // mark watch as dead, terminate if all are dead
419 w->mask = 0;
420 for (count = i = 0; i<n; ++i)
421 if (watch[i].mask)
422 ++count;
423 if (count == 0)
424 break;
425 }
426 }
427 else {
428 errno = err_win_to_posix();
429 bb_perror_msg_and_die("watch failed");
430 }
431 }
432
433 return EXIT_SUCCESS;
434}
435#endif
diff --git a/miscutils/jn.c b/miscutils/jn.c
new file mode 100644
index 000000000..db6a3e6d9
--- /dev/null
+++ b/miscutils/jn.c
@@ -0,0 +1,37 @@
1/*
2 * directory junction creation for busybox
3 *
4 * Copyright (C) 2017 Denys Vlasenko <vda.linux@googlemail.com>
5 * Copyright (C) 2022 Ron Yorston <rmy@pobox.com>
6 *
7 * Licensed under GPLv2, see file LICENSE in this source tree.
8 */
9//config:config JN
10//config: bool "jn (3.2 kb)"
11//config: default y
12//config: depends on PLATFORM_MINGW32
13//config: help
14//config: Creates a directory junction.
15
16//applet:IF_JN(APPLET_NOEXEC(jn, jn, BB_DIR_USR_BIN, BB_SUID_DROP, jn))
17
18//kbuild:lib-$(CONFIG_JN) += jn.o
19
20//usage:#define jn_trivial_usage
21//usage: "DIR JUNC"
22//usage:#define jn_full_usage "\n\n"
23//usage: "Create directory junction JUNC to DIR"
24
25#include "libbb.h"
26
27int jn_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
28int jn_main(int argc UNUSED_PARAM, char **argv)
29{
30 getopt32(argv, "^" "" "\0" "=2");
31 argv += optind;
32 if (create_junction(argv[0], argv[1]) != 0) {
33 bb_perror_msg_and_die("can't create junction '%s' to '%s'",
34 argv[1], argv[0]);
35 }
36 return EXIT_SUCCESS;
37}
diff --git a/miscutils/less.c b/miscutils/less.c
index 2204b1cec..5a8fc5a74 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -145,6 +145,10 @@
145 145
146#include <sched.h> /* sched_yield() */ 146#include <sched.h> /* sched_yield() */
147 147
148#if ENABLE_PLATFORM_MINGW32
149#include <conio.h>
150#endif
151
148#include "libbb.h" 152#include "libbb.h"
149#include "common_bufsiz.h" 153#include "common_bufsiz.h"
150#if ENABLE_FEATURE_LESS_REGEXP 154#if ENABLE_FEATURE_LESS_REGEXP
@@ -330,7 +334,11 @@ static void restore_tty(void)
330 set_tty_cooked(); 334 set_tty_cooked();
331 if (!(G.kbd_fd_orig_flags & O_NONBLOCK)) 335 if (!(G.kbd_fd_orig_flags & O_NONBLOCK))
332 ndelay_off(kbd_fd); 336 ndelay_off(kbd_fd);
337#if !ENABLE_PLATFORM_MINGW32
333 clear_line(); 338 clear_line();
339#else
340 printf(ESC"[?1049l");
341#endif
334} 342}
335 343
336static NOINLINE void less_exit(void) 344static NOINLINE void less_exit(void)
@@ -578,6 +586,11 @@ static void read_lines(void)
578 last_line_pos = 0; 586 last_line_pos = 0;
579 break; 587 break;
580 } 588 }
589#if ENABLE_PLATFORM_MINGW32
590 if (c == '\r') {
591 continue;
592 }
593#endif
581 /* NUL is substituted by '\n'! */ 594 /* NUL is substituted by '\n'! */
582 if (c == '\0') c = '\n'; 595 if (c == '\0') c = '\n';
583 *p++ = c; 596 *p++ = c;
@@ -674,7 +687,12 @@ static void update_num_lines(void)
674 /* only do this for regular files */ 687 /* only do this for regular files */
675 if (num_lines == REOPEN_AND_COUNT || num_lines == REOPEN_STDIN) { 688 if (num_lines == REOPEN_AND_COUNT || num_lines == REOPEN_STDIN) {
676 count = 0; 689 count = 0;
690#if !ENABLE_PLATFORM_MINGW32
677 fd = open("/proc/self/fd/0", O_RDONLY); 691 fd = open("/proc/self/fd/0", O_RDONLY);
692#else
693 /* don't even try to access /proc on WIN32 */
694 fd = -1;
695#endif
678 if (fd < 0 && num_lines == REOPEN_AND_COUNT) { 696 if (fd < 0 && num_lines == REOPEN_AND_COUNT) {
679 /* "filename" is valid only if REOPEN_AND_COUNT */ 697 /* "filename" is valid only if REOPEN_AND_COUNT */
680 fd = open(filename, O_RDONLY); 698 fd = open(filename, O_RDONLY);
@@ -857,7 +875,12 @@ static void print_found(const char *line)
857 match_status = 1; 875 match_status = 1;
858 } 876 }
859 877
878#if !ENABLE_PLATFORM_MINGW32
860 printf("%s%s\n", growline ? growline : "", str); 879 printf("%s%s\n", growline ? growline : "", str);
880#else
881 /* skip newline, we use explicit positioning on WIN32 */
882 printf("%s%s", growline ? growline : "", str);
883#endif
861 free(growline); 884 free(growline);
862} 885}
863#else 886#else
@@ -893,7 +916,12 @@ static void print_ascii(const char *str)
893 *p = '\0'; 916 *p = '\0';
894 print_hilite(buf); 917 print_hilite(buf);
895 } 918 }
919#if !ENABLE_PLATFORM_MINGW32
896 puts(str); 920 puts(str);
921#else
922 /* skip newline, we use explicit positioning on WIN32 */
923 printf("%s", str);
924#endif
897} 925}
898 926
899/* Print the buffer */ 927/* Print the buffer */
@@ -903,6 +931,10 @@ static void buffer_print(void)
903 931
904 move_cursor(0, 0); 932 move_cursor(0, 0);
905 for (i = 0; i <= max_displayed_line; i++) { 933 for (i = 0; i <= max_displayed_line; i++) {
934#if ENABLE_PLATFORM_MINGW32
935 /* make sure we're on the right line */
936 move_cursor(i+1, 0);
937#endif
906 printf(CLEAR_2_EOL); 938 printf(CLEAR_2_EOL);
907 if (option_mask32 & FLAG_N) 939 if (option_mask32 & FLAG_N)
908 print_lineno(buffer[i]); 940 print_lineno(buffer[i]);
@@ -1090,10 +1122,17 @@ static void reinitialize(void)
1090 if (G.winsize_err) 1122 if (G.winsize_err)
1091 printf(ESC"[999;999H" ESC"[6n"); 1123 printf(ESC"[999;999H" ESC"[6n");
1092#endif 1124#endif
1125#if ENABLE_PLATFORM_MINGW32
1126 printf(ESC"[?1049h");
1127#endif
1093 buffer_fill_and_print(); 1128 buffer_fill_and_print();
1094} 1129}
1095 1130
1131#if ENABLE_PLATFORM_MINGW32
1132static int64_t unix_getch_nowait(void)
1133#else
1096static int64_t getch_nowait(void) 1134static int64_t getch_nowait(void)
1135#endif
1097{ 1136{
1098 int rd; 1137 int rd;
1099 int64_t key64; 1138 int64_t key64;
@@ -1155,6 +1194,50 @@ static int64_t getch_nowait(void)
1155 return key64; 1194 return key64;
1156} 1195}
1157 1196
1197#if ENABLE_PLATFORM_MINGW32
1198static int64_t getch_nowait(void)
1199{
1200 int64_t c;
1201
1202 if (terminal_mode(FALSE) & VT_INPUT)
1203 return unix_getch_nowait();
1204
1205retry:
1206 c = _getch();
1207 if (c == 0 || c == 0xe0) {
1208 switch (_getch()) {
1209 case 0x48:
1210 c = KEYCODE_UP;
1211 break;
1212 case 0x50:
1213 c = KEYCODE_DOWN;
1214 break;
1215 case 0x49:
1216 c = KEYCODE_PAGEUP;
1217 break;
1218 case 0x51:
1219 c = KEYCODE_PAGEDOWN;
1220 break;
1221 case 0x47:
1222 c = KEYCODE_HOME;
1223 break;
1224 case 0x4f:
1225 c = KEYCODE_END;
1226 break;
1227 default:
1228 goto retry;
1229 }
1230 }
1231
1232 /* Position cursor if line input is done */
1233 if (less_gets_pos >= 0)
1234 move_cursor(max_displayed_line + 2, less_gets_pos + 1);
1235 fflush_all();
1236
1237 return c;
1238}
1239#endif
1240
1158/* Grab a character from input without requiring the return key. 1241/* Grab a character from input without requiring the return key.
1159 * May return KEYCODE_xxx values. 1242 * May return KEYCODE_xxx values.
1160 * Note that this function works best with raw input. */ 1243 * Note that this function works best with raw input. */
@@ -1794,11 +1877,13 @@ static void keypress_process(int keypress)
1794 number_process(keypress); 1877 number_process(keypress);
1795} 1878}
1796 1879
1880#if !ENABLE_PLATFORM_MINGW32
1797static void sig_catcher(int sig) 1881static void sig_catcher(int sig)
1798{ 1882{
1799 restore_tty(); 1883 restore_tty();
1800 kill_myself_with_sig(sig); /* does not return */ 1884 kill_myself_with_sig(sig); /* does not return */
1801} 1885}
1886#endif
1802 1887
1803#if ENABLE_FEATURE_LESS_WINCH 1888#if ENABLE_FEATURE_LESS_WINCH
1804static void sigwinch_handler(int sig UNUSED_PARAM) 1889static void sigwinch_handler(int sig UNUSED_PARAM)
@@ -1810,7 +1895,11 @@ static void sigwinch_handler(int sig UNUSED_PARAM)
1810int less_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; 1895int less_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
1811int less_main(int argc, char **argv) 1896int less_main(int argc, char **argv)
1812{ 1897{
1898#if !ENABLE_PLATFORM_MINGW32
1813 char *tty_name; 1899 char *tty_name;
1900#else
1901 HANDLE h;
1902#endif
1814 int tty_fd; 1903 int tty_fd;
1815 1904
1816 INIT_G(); 1905 INIT_G();
@@ -1869,6 +1958,7 @@ int less_main(int argc, char **argv)
1869 if (option_mask32 & FLAG_TILDE) 1958 if (option_mask32 & FLAG_TILDE)
1870 empty_line_marker = ""; 1959 empty_line_marker = "";
1871 1960
1961#if !ENABLE_PLATFORM_MINGW32
1872 /* Some versions of less can survive w/o controlling tty, 1962 /* Some versions of less can survive w/o controlling tty,
1873 * try to do the same. This also allows to specify an alternative 1963 * try to do the same. This also allows to specify an alternative
1874 * tty via "less 1<>TTY". 1964 * tty via "less 1<>TTY".
@@ -1894,6 +1984,15 @@ int less_main(int argc, char **argv)
1894 } 1984 }
1895 G.kbd_fd_orig_flags = ndelay_on(tty_fd); 1985 G.kbd_fd_orig_flags = ndelay_on(tty_fd);
1896 kbd_fd = tty_fd; /* save in a global */ 1986 kbd_fd = tty_fd; /* save in a global */
1987#else
1988 h = CreateFileA("CONIN$", GENERIC_READ | GENERIC_WRITE,
1989 FILE_SHARE_READ, NULL, OPEN_EXISTING,
1990 FILE_ATTRIBUTE_NORMAL, NULL);
1991 if (h == INVALID_HANDLE_VALUE)
1992 bb_simple_error_msg_and_die("unable to open console");
1993
1994 kbd_fd = tty_fd = _open_osfhandle((intptr_t)h, O_BINARY);
1995#endif
1897 1996
1898 get_termios_and_make_raw(tty_fd, &term_less, &term_orig, TERMIOS_RAW_CRNL_INPUT); 1997 get_termios_and_make_raw(tty_fd, &term_less, &term_orig, TERMIOS_RAW_CRNL_INPUT);
1899 1998
diff --git a/miscutils/make.c b/miscutils/make.c
new file mode 100644
index 000000000..8026917b3
--- /dev/null
+++ b/miscutils/make.c
@@ -0,0 +1,3563 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * make implementation for BusyBox
4 *
5 * Based on public domain POSIX make: https://frippery.org/make
6 */
7//config:config MAKE
8//config: bool "make (18 kb)"
9//config: default n
10//config: help
11//config: The make command can be used to maintain files that depend on
12//config: other files. Normally it's used to build programs from source
13//config: code but it can be used in other situations too.
14//config:
15//config:config PDPMAKE
16//config: bool "pdpmake (18 kb)"
17//config: default n
18//config: help
19//config: Alias for "make"
20//config:
21//config:config FEATURE_MAKE_POSIX
22//config: bool "Runtime enforcement of POSIX"
23//config: default n
24//config: depends on MAKE || PDPMAKE
25//config: help
26//config: Allow strict enforcement of POSIX compliance at runtime by:
27//config: - .POSIX special target in makefile
28//config: - '--posix' command line option
29//config: - PDPMAKE_POSIXLY_CORRECT environment variable
30//config: Enable this if you want to check whether your makefiles are
31//config: POSIX compliant. This adds about 1.7 kb.
32//config:
33//config:choice
34//config: prompt "Default POSIX level to enforce"
35//config: depends on FEATURE_MAKE_POSIX
36//config: default FEATURE_MAKE_POSIX_2017
37//config:
38//config:config FEATURE_MAKE_POSIX_2017
39//config: bool "2017"
40//config:
41//config:config FEATURE_MAKE_POSIX_2024
42//config: bool "2024"
43//config:
44//config:endchoice
45
46//applet:IF_MAKE(APPLET(make, BB_DIR_USR_BIN, BB_SUID_DROP))
47//applet:IF_PDPMAKE(APPLET_ODDNAME(pdpmake, make, BB_DIR_USR_BIN, BB_SUID_DROP, make))
48
49//kbuild:lib-$(CONFIG_MAKE) += make.o
50//kbuild:lib-$(CONFIG_PDPMAKE) += make.o
51
52//usage:#define make_trivial_usage
53//usage: IF_FEATURE_MAKE_POSIX(
54//usage: "[--posix] [-C DIR] [-f FILE] [-j NUM] [-x PRAG] [-eiknpqrsSt] [MACRO[:[:[:]]]=VAL]... [TARGET]..."
55//usage: )
56//usage: IF_NOT_FEATURE_MAKE_POSIX(
57//usage: "[-C DIR] [-f FILE] [-j NUM] [-eiknpqrsSt] [MACRO[:[:[:]]]=VAL]... [TARGET]..."
58//usage: )
59//usage:#define make_full_usage "\n\n"
60//usage: "Maintain files based on their dependencies\n"
61//usage: IF_FEATURE_MAKE_POSIX(
62//usage: "\n --posix Enforce POSIX mode"
63//usage: )
64//usage: "\n -C DIR Change to DIR"
65//usage: "\n -f FILE Makefile"
66//usage: "\n -j NUM Jobs to run in parallel (not implemented)"
67//usage: IF_FEATURE_MAKE_POSIX(
68//usage: "\n -x PRAG Make POSIX mode less strict"
69//usage: )
70//usage: "\n -e Environment variables override macros in makefiles"
71//usage: "\n -i Ignore exit status"
72//usage: "\n -k Continue on error"
73//usage: "\n -n Dry run"
74//usage: "\n -p Print macros and targets"
75//usage: "\n -q Query target; exit status 1 if not up to date"
76//usage: "\n -r Don't use built-in rules"
77//usage: "\n -s Make silently"
78//usage: "\n -S Stop on error"
79//usage: "\n -t Touch files instead of making them"
80//usage: IF_FEATURE_MAKE_POSIX(
81//usage: "\n\nThis build supports: non-POSIX extensions, POSIX 2024, POSIX 2017"
82//usage: )
83//usage: IF_FEATURE_MAKE_POSIX_2017(
84//usage: "\nIn strict POSIX mode the 2017 standard is enforced by default"
85//usage: )
86//usage: IF_FEATURE_MAKE_POSIX_2024(
87//usage: "\nIn strict POSIX mode the 2024 standard is enforced by default"
88//usage: )
89
90#include "libbb.h"
91#include "bb_archive.h"
92#include "common_bufsiz.h"
93#include <glob.h>
94
95// Supported POSIX levels
96#define STD_POSIX_2017 0
97#define STD_POSIX_2024 1
98
99#define POSIX_2017 (posix && posix_level == STD_POSIX_2017)
100
101#if ENABLE_FEATURE_MAKE_POSIX_2017
102# define DEFAULT_POSIX_LEVEL STD_POSIX_2017
103#else
104# define DEFAULT_POSIX_LEVEL STD_POSIX_2024
105#endif
106
107#define OPTSTR1 "eij:+knqrsSt"
108#if ENABLE_FEATURE_MAKE_POSIX
109#define OPTSTR2 "pf:*C:*x:*"
110#else
111#define OPTSTR2 "pf:*C:*"
112#endif
113
114enum {
115 OPTBIT_e = 0,
116 OPTBIT_i,
117 OPTBIT_j,
118 OPTBIT_k,
119 OPTBIT_n,
120 OPTBIT_q,
121 OPTBIT_r,
122 OPTBIT_s,
123 OPTBIT_S,
124 OPTBIT_t,
125 OPTBIT_p,
126 OPTBIT_f,
127 OPTBIT_C,
128 IF_FEATURE_MAKE_POSIX(OPTBIT_x,)
129 OPTBIT_precious,
130 OPTBIT_phony,
131 OPTBIT_include,
132 OPTBIT_make,
133
134 OPT_e = (1 << OPTBIT_e),
135 OPT_i = (1 << OPTBIT_i),
136 OPT_j = (1 << OPTBIT_j),
137 OPT_k = (1 << OPTBIT_k),
138 OPT_n = (1 << OPTBIT_n),
139 OPT_q = (1 << OPTBIT_q),
140 OPT_r = (1 << OPTBIT_r),
141 OPT_s = (1 << OPTBIT_s),
142 OPT_S = (1 << OPTBIT_S),
143 OPT_t = (1 << OPTBIT_t),
144 // These options aren't allowed in MAKEFLAGS
145 OPT_p = (1 << OPTBIT_p),
146 OPT_f = (1 << OPTBIT_f),
147 OPT_C = (1 << OPTBIT_C),
148 OPT_x = IF_FEATURE_MAKE_POSIX((1 << OPTBIT_x)) + 0,
149 // The following aren't command line options and must be last
150 OPT_precious = (1 << OPTBIT_precious),
151 OPT_phony = (1 << OPTBIT_phony),
152 OPT_include = (1 << OPTBIT_include),
153 OPT_make = (1 << OPTBIT_make),
154};
155
156// Options in OPTSTR1 that aren't included in MAKEFLAGS
157#define OPT_MASK (~OPT_S)
158
159#define useenv (opts & OPT_e)
160#define ignore (opts & OPT_i)
161#define errcont (opts & OPT_k)
162#define dryrun (opts & OPT_n)
163#define print (opts & OPT_p)
164#define quest (opts & OPT_q)
165#define norules (opts & OPT_r)
166#define silent (opts & OPT_s)
167#define dotouch (opts & OPT_t)
168#define precious (opts & OPT_precious)
169#define doinclude (opts & OPT_include)
170#define domake (opts & OPT_make)
171
172// A name. This represents a file, either to be made, or pre-existing.
173struct name {
174 struct name *n_next; // Next in the list of names
175 char *n_name; // Called
176 struct rule *n_rule; // Rules to build this (prerequisites/commands)
177 struct timespec n_tim; // Modification time of this name
178 uint16_t n_flag; // Info about the name
179};
180
181#define N_DOING 0x01 // Name in process of being built
182#define N_DONE 0x02 // Name looked at
183#define N_TARGET 0x04 // Name is a target
184#define N_PRECIOUS 0x08 // Target is precious
185#define N_DOUBLE 0x10 // Double-colon target
186#define N_SILENT 0x20 // Build target silently
187#define N_IGNORE 0x40 // Ignore build errors
188#define N_SPECIAL 0x80 // Special target
189#define N_MARK 0x100 // Mark for deduplication
190#define N_PHONY 0x200 // Name is a phony target
191#define N_INFERENCE 0x400 // Inference rule
192
193// List of rules to build a target
194struct rule {
195 struct rule *r_next; // Next rule
196 struct depend *r_dep; // Prerequisites for this rule
197 struct cmd *r_cmd; // Commands for this rule
198};
199
200// NOTE: the layout of the following two structures must be compatible.
201// Also, their first two members must be compatible with llist_t.
202
203// List of prerequisites for a rule
204struct depend {
205 struct depend *d_next; // Next prerequisite
206 struct name *d_name; // Name of prerequisite
207 int d_refcnt; // Reference count
208};
209
210// List of commands for a rule
211struct cmd {
212 struct cmd *c_next; // Next command line
213 char *c_cmd; // Text of command line
214 int c_refcnt; // Reference count
215 const char *c_makefile; // Makefile in which command was defined
216 int c_dispno; // Line number within makefile
217};
218
219// Macro storage
220struct macro {
221 struct macro *m_next; // Next variable
222 char *m_name; // Its name
223 char *m_val; // Its value
224 bool m_immediate; // Immediate-expansion macro set using ::=
225 bool m_flag; // Infinite loop check
226 uint8_t m_level; // Level at which macro was created
227};
228
229// Flags passed to setmacro()
230#define M_IMMEDIATE 0x08 // immediate-expansion macro is being defined
231#define M_VALID 0x10 // assert macro name is valid
232#define M_ENVIRON 0x20 // macro imported from environment
233
234// Constants for PRAGMA. Order must match strings in set_pragma().
235enum {
236 BIT_MACRO_NAME = 0,
237 BIT_TARGET_NAME,
238 BIT_COMMAND_COMMENT,
239 BIT_EMPTY_SUFFIX,
240#if ENABLE_PLATFORM_MINGW32
241 BIT_WINDOWS,
242#endif
243 BIT_POSIX_2017,
244 BIT_POSIX_2024,
245 BIT_POSIX_202X,
246
247 P_MACRO_NAME = (1 << BIT_MACRO_NAME),
248 P_TARGET_NAME = (1 << BIT_TARGET_NAME),
249 P_COMMAND_COMMENT = (1 << BIT_COMMAND_COMMENT),
250 P_EMPTY_SUFFIX = (1 << BIT_EMPTY_SUFFIX),
251#if ENABLE_PLATFORM_MINGW32
252 P_WINDOWS = (1 << BIT_WINDOWS),
253#endif
254};
255
256// Status of make()
257#define MAKE_FAILURE 0x01
258#define MAKE_DIDSOMETHING 0x02
259
260// Return TRUE if c is allowed in a POSIX 2017 macro or target name
261#define ispname(c) (isalpha(c) || isdigit(c) || c == '.' || c == '_')
262// Return TRUE if c is in the POSIX 'portable filename character set'
263#define isfname(c) (ispname(c) || c == '-')
264
265#define HTABSIZE 39
266
267struct globals {
268 uint32_t opts;
269 const char *makefile;
270 llist_t *makefiles;
271 llist_t *dirs;
272 struct name *namehead[HTABSIZE];
273 struct macro *macrohead[HTABSIZE];
274 struct name *firstname;
275 struct name *target;
276 time_t ar_mtime;
277 int lineno; // Physical line number in file
278 int dispno; // Line number for display purposes
279 struct cmd *curr_cmd;
280 const char *rulepos;
281 int rule_idx;
282#define IF_MAX 10
283 uint8_t clevel;
284 uint8_t cstate[IF_MAX + 1];
285 int numjobs;
286#if ENABLE_FEATURE_MAKE_POSIX
287 bool posix;
288 bool seen_first;
289 llist_t *pragmas;
290 unsigned char pragma;
291 unsigned char posix_level;
292#endif
293} FIX_ALIASING;
294
295#define G (*(struct globals*)bb_common_bufsiz1)
296#define INIT_G() do { \
297 setup_common_bufsiz(); \
298} while (0)
299
300#define opts (G.opts)
301#define makefile (G.makefile)
302#define makefiles (G.makefiles)
303#define dirs (G.dirs)
304#define namehead (G.namehead)
305#define macrohead (G.macrohead)
306#define firstname (G.firstname)
307#define target (G.target)
308#define ar_mtime (G.ar_mtime)
309#define lineno (G.lineno)
310#define dispno (G.dispno)
311#define curr_cmd (G.curr_cmd)
312#define rulepos (G.rulepos)
313#define rule_idx (G.rule_idx)
314#define clevel (G.clevel)
315#define cstate (G.cstate)
316#define numjobs (G.numjobs)
317#if ENABLE_FEATURE_MAKE_POSIX
318#define posix (G.posix)
319#define seen_first (G.seen_first)
320#define pragmas (G.pragmas)
321#define pragma (G.pragma)
322#define posix_level (G.posix_level)
323#else
324#define posix 0
325#define pragma 0
326#define posix_level DEFAULT_POSIX_LEVEL
327#endif
328
329static int make(struct name *np, int level);
330static struct name *dyndep(struct name *np, struct rule *infrule,
331 const char **ptsuff);
332
333/*
334 * Utility functions.
335 */
336
337/*
338 * Print message, with makefile and line number if possible.
339 */
340static void
341vwarning(FILE *stream, const char *msg, va_list list)
342{
343 const char *m = NULL;
344 int d = 0;
345
346 if (curr_cmd) {
347 m = curr_cmd->c_makefile;
348 d = curr_cmd->c_dispno;
349 } else if (makefile) {
350 m = makefile;
351 d = dispno;
352 }
353
354 fprintf(stream, "%s: ", applet_name);
355 if (m)
356 fprintf(stream, "(%s:%d): ", m, d);
357 vfprintf(stream, msg, list);
358 fputc('\n', stream);
359}
360
361/*
362 * Diagnostic handler. Print message to standard error.
363 */
364static void
365diagnostic(const char *msg, ...)
366{
367 va_list list;
368
369 va_start(list, msg);
370 vwarning(stderr, msg, list);
371 va_end(list);
372}
373
374/*
375 * Error handler. Print message and exit.
376 */
377static void error(const char *msg, ...) NORETURN;
378static void
379error(const char *msg, ...)
380{
381 va_list list;
382
383 va_start(list, msg);
384 vwarning(stderr, msg, list);
385 va_end(list);
386 exit(2);
387}
388
389static void error_unexpected(const char *s) NORETURN;
390static void
391error_unexpected(const char *s)
392{
393 error("unexpected %s", s);
394}
395
396static void error_in_inference_rule(const char *s) NORETURN;
397static void
398error_in_inference_rule(const char *s)
399{
400 error("%s in inference rule", s);
401}
402
403static void
404error_not_allowed(const char *s, const char *t)
405{
406 error("%s not allowed for %s", s, t);
407}
408
409static void
410warning(const char *msg, ...)
411{
412 va_list list;
413
414 va_start(list, msg);
415 vwarning(stdout, msg, list);
416 va_end(list);
417}
418
419static char *
420auto_concat(const char *s1, const char *s2)
421{
422 return auto_string(xasprintf("%s%s", s1, s2));
423}
424
425#if !ENABLE_PLATFORM_MINGW32
426/*
427 * Append a word to a space-separated string of words. The first
428 * call should use a NULL pointer for str, subsequent calls should
429 * pass an allocated string which will be freed.
430 */
431static char *
432xappendword(const char *str, const char *word)
433{
434 char *newstr = str ? xasprintf("%s %s", str, word) : xstrdup(word);
435 free((void *)str);
436 return newstr;
437}
438#endif
439
440static unsigned int
441getbucket(const char *name)
442{
443 unsigned int hashval = 0;
444 const unsigned char *p = (unsigned char *)name;
445
446 while (*p)
447 hashval ^= (hashval << 5) + (hashval >> 2) + *p++;
448 return hashval % HTABSIZE;
449}
450
451/*
452 * Add a prerequisite to the end of the supplied list.
453 */
454static void
455newdep(struct depend **dphead, struct name *np)
456{
457 while (*dphead)
458 dphead = &(*dphead)->d_next;
459 *dphead = xzalloc(sizeof(struct depend));
460 /*(*dphead)->d_next = NULL; - xzalloc did it */
461 (*dphead)->d_name = np;
462 /*(*dphead)->d_refcnt = 0; */
463}
464
465static void
466freedeps(struct depend *dp)
467{
468 if (dp && --dp->d_refcnt <= 0)
469 llist_free((llist_t *)dp, NULL);
470}
471
472/*
473 * Add a command to the end of the supplied list of commands.
474 */
475static void
476newcmd(struct cmd **cphead, char *str)
477{
478 while (isspace(*str))
479 str++;
480
481 while (*cphead)
482 cphead = &(*cphead)->c_next;
483 *cphead = xzalloc(sizeof(struct cmd));
484 /*(*cphead)->c_next = NULL; - xzalloc did it */
485 (*cphead)->c_cmd = xstrdup(str);
486 /*(*cphead)->c_refcnt = 0; */
487 (*cphead)->c_makefile = xstrdup(makefile);
488 (*cphead)->c_dispno = dispno;
489}
490
491static void
492freecmds(struct cmd *cp)
493{
494 struct cmd *nextcp;
495
496 if (cp && --cp->c_refcnt <= 0) {
497 for (; cp; cp = nextcp) {
498 nextcp = cp->c_next;
499 free(cp->c_cmd);
500 free((void *)cp->c_makefile);
501 free(cp);
502 }
503 }
504}
505
506static struct name *
507findname(const char *name)
508{
509 struct name *np = namehead[getbucket(name)];
510 return (struct name *)llist_find_str((llist_t *)np, name);
511}
512
513static int
514check_name(const char *name)
515{
516 const char *s;
517
518#if ENABLE_PLATFORM_MINGW32
519 if (!posix || (pragma & P_WINDOWS)) {
520 if (isalpha(name[0]) && name[1] == ':' && name[2] == '/') {
521 name += 3;
522 }
523 }
524#endif
525 if (!posix) {
526 for (s = name; *s; ++s) {
527 if (*s == '=')
528 return FALSE;
529 }
530 return TRUE;
531 }
532
533 for (s = name; *s; ++s) {
534 if ((pragma & P_TARGET_NAME) || !POSIX_2017 ?
535 !(isfname(*s) || *s == '/') : !ispname(*s))
536 return FALSE;
537 }
538 return TRUE;
539}
540
541static char *splitlib(const char *name, char **member);
542
543static int
544is_valid_target(const char *name)
545{
546 char *archive, *member = NULL;
547 int ret;
548
549 /* Names of the form 'lib(member)' are referred to as 'expressions'
550 * in POSIX and are subjected to special treatment. The 'lib'
551 * and 'member' elements must each be a valid target name. */
552 archive = splitlib(name, &member);
553 ret = check_name(archive) && (member == NULL || check_name(member));
554 free(archive);
555
556 return ret;
557}
558
559#if ENABLE_FEATURE_MAKE_POSIX
560static int
561potentially_valid_target(const char *name)
562{
563 int ret = FALSE;
564
565 if (!(pragma & P_TARGET_NAME)) {
566 pragma |= P_TARGET_NAME;
567 ret = is_valid_target(name);
568 pragma &= ~P_TARGET_NAME;
569 }
570 return ret;
571}
572#endif
573
574/*
575 * Intern a name. Return a pointer to the name struct
576 */
577static struct name *
578newname(const char *name)
579{
580 struct name *np = findname(name);
581
582 if (np == NULL) {
583 unsigned int bucket;
584
585 if (!is_valid_target(name))
586#if ENABLE_FEATURE_MAKE_POSIX
587 error("invalid target name '%s'%s", name,
588 potentially_valid_target(name) ?
589 ": allow with pragma target_name" : "");
590#else
591 error("invalid target name '%s'", name);
592#endif
593
594 bucket = getbucket(name);
595 np = xzalloc(sizeof(struct name));
596 np->n_next = namehead[bucket];
597 namehead[bucket] = np;
598 np->n_name = xstrdup(name);
599 /*np->n_rule = NULL; - xzalloc did it */
600 /*np->n_tim = (struct timespec){0, 0}; */
601 /*np->n_flag = 0; */
602 }
603 return np;
604}
605
606/*
607 * Return the commands on the first rule that has them or NULL.
608 */
609static struct cmd *
610getcmd(struct name *np)
611{
612 struct rule *rp;
613
614 if (np == NULL)
615 return NULL;
616
617 for (rp = np->n_rule; rp; rp = rp->r_next)
618 if (rp->r_cmd)
619 return rp->r_cmd;
620 return NULL;
621}
622
623#if ENABLE_FEATURE_CLEAN_UP
624static void
625freenames(void)
626{
627 int i;
628 struct name *np, *nextnp;
629
630 for (i = 0; i < HTABSIZE; i++) {
631 for (np = namehead[i]; np; np = nextnp) {
632 nextnp = np->n_next;
633 free(np->n_name);
634 freerules(np->n_rule);
635 free(np);
636 }
637 }
638}
639#endif
640
641static void
642freerules(struct rule *rp)
643{
644 struct rule *nextrp;
645
646 for (; rp; rp = nextrp) {
647 nextrp = rp->r_next;
648 freedeps(rp->r_dep);
649 freecmds(rp->r_cmd);
650 free(rp);
651 }
652}
653
654static void *
655inc_ref(void *vp)
656{
657 if (vp) {
658 struct depend *dp = vp;
659 if (dp->d_refcnt == INT_MAX)
660 bb_die_memory_exhausted();
661 dp->d_refcnt++;
662 }
663 return vp;
664}
665
666#if ENABLE_FEATURE_MAKE_POSIX
667// Order must match constants above.
668// POSIX levels must be last and in increasing order
669static const char *p_name =
670 "macro_name\0"
671 "target_name\0"
672 "command_comment\0"
673 "empty_suffix\0"
674#if ENABLE_PLATFORM_MINGW32
675 "windows\0"
676#endif
677 "posix_2017\0"
678 "posix_2024\0"
679 "posix_202x\0";
680
681static void
682set_pragma(const char *name)
683{
684 int idx = index_in_strings(p_name, name);
685
686 if (idx != -1) {
687 if (idx >= BIT_POSIX_2017) {
688 // POSIX level is stored in a separate variable.
689 // No bits in 'pragma' are used.
690 if (posix_level == DEFAULT_POSIX_LEVEL) {
691 posix_level = idx - BIT_POSIX_2017;
692 if (posix_level > STD_POSIX_2024)
693 posix_level = STD_POSIX_2024;
694 } else if (posix_level != idx - BIT_POSIX_2017)
695 warning("unable to change POSIX level");
696 } else {
697 pragma |= 1 << idx;
698 }
699 return;
700 }
701 warning("invalid pragma '%s'", name);
702}
703
704static void
705pragmas_to_env(void)
706{
707 int i;
708 char *val = NULL;
709
710 for (i = 0; i < BIT_POSIX_2017; ++i) {
711 if ((pragma & (1 << i)))
712 val = xappendword(val, nth_string(p_name, i));
713 }
714
715 if (posix_level != DEFAULT_POSIX_LEVEL)
716 val = xappendword(val,
717 nth_string(p_name, BIT_POSIX_2017 + posix_level));
718
719 if (val) {
720 setenv("PDPMAKE_PRAGMAS", val, 1);
721 free(val);
722 }
723}
724#endif
725
726/*
727 * Add a new rule to a target. This checks to see if commands already
728 * exist for the target. If flag is TRUE the target can have multiple
729 * rules with commands (double-colon rules).
730 *
731 * i) If the name is a special target and there are no prerequisites
732 * or commands to be added remove all prerequisites and commands.
733 * This is necessary when clearing a built-in inference rule.
734 * ii) If name is a special target and has commands, replace them.
735 * This is for redefining commands for an inference rule.
736 */
737static void
738addrule(struct name *np, struct depend *dp, struct cmd *cp, int flag)
739{
740 struct rule *rp;
741 struct rule **rpp;
742 struct cmd *old_cp;
743
744 // Can't mix single-colon and double-colon rules
745 if (!posix && (np->n_flag & N_TARGET)) {
746 if (!(np->n_flag & N_DOUBLE) != !flag) // like xor
747 error("inconsistent rules for target %s", np->n_name);
748 }
749
750 // Clear out prerequisites and commands
751 if ((np->n_flag & N_SPECIAL) && !dp && !cp) {
752 if (strcmp(np->n_name, ".PHONY") == 0)
753 return;
754 freerules(np->n_rule);
755 np->n_rule = NULL;
756 return;
757 }
758
759 if (cp && !(np->n_flag & N_DOUBLE) && (old_cp = getcmd(np))) {
760 // Handle the inference rule redefinition case
761 // .DEFAULT rule can also be redefined (as an extension).
762 if ((np->n_flag & N_INFERENCE)
763 && !(posix && (np->n_flag & N_SPECIAL))
764 ) {
765 freerules(np->n_rule);
766 np->n_rule = NULL;
767 } else {
768 // We're adding commands to a single colon rule which
769 // already has some. Clear the old ones first.
770 warning("overriding rule for target %s", np->n_name);
771 curr_cmd = old_cp;
772 warning("previous rule for target %s", np->n_name);
773 curr_cmd = NULL;
774
775 for (rp = np->n_rule; rp; rp = rp->r_next) {
776 freecmds(rp->r_cmd);
777 rp->r_cmd = NULL;
778 }
779 }
780 }
781
782 rpp = &np->n_rule;
783 while (*rpp)
784 rpp = &(*rpp)->r_next;
785
786 *rpp = rp = xzalloc(sizeof(struct rule));
787 /*rp->r_next = NULL; - xzalloc did it */
788 rp->r_dep = inc_ref(dp);
789 rp->r_cmd = inc_ref(cp);
790
791 np->n_flag |= N_TARGET;
792 if (flag)
793 np->n_flag |= N_DOUBLE;
794#if ENABLE_FEATURE_MAKE_POSIX
795 if (strcmp(np->n_name, ".PRAGMA") == 0) {
796 for (; dp; dp = dp->d_next) {
797 set_pragma(dp->d_name->n_name);
798 }
799 pragmas_to_env();
800 }
801#endif
802}
803
804/*
805 * Macro control for make
806 */
807static struct macro *
808getmp(const char *name)
809{
810 struct macro *mp = macrohead[getbucket(name)];
811 return (struct macro *)llist_find_str((llist_t *)mp, name);
812}
813
814static int
815is_valid_macro(const char *name)
816{
817 const char *s;
818 for (s = name; *s; ++s) {
819 // In POSIX mode only a limited set of characters are guaranteed
820 // to be allowed in macro names.
821 if (posix) {
822 // Find the appropriate character set
823 if ((pragma & P_MACRO_NAME) || !POSIX_2017 ?
824 !isfname(*s) : !ispname(*s))
825 return FALSE;
826 }
827 // As an extension allow anything that can get through the
828 // input parser, apart from the following.
829 if (*s == '=' || isblank(*s) || iscntrl(*s))
830 return FALSE;
831 }
832 return TRUE;
833}
834
835#if ENABLE_FEATURE_MAKE_POSIX
836static int
837potentially_valid_macro(const char *name)
838{
839 int ret = FALSE;
840
841 if (!(pragma & P_MACRO_NAME)) {
842 pragma |= P_MACRO_NAME;
843 ret = is_valid_macro(name);
844 pragma &= ~P_MACRO_NAME;
845 }
846 return ret;
847}
848#endif
849
850static void
851setmacro(const char *name, const char *val, int level)
852{
853 struct macro *mp;
854 bool valid = level & M_VALID;
855 bool from_env = level & M_ENVIRON;
856 bool immediate = level & M_IMMEDIATE;
857
858 level &= ~(M_IMMEDIATE | M_VALID | M_ENVIRON);
859 mp = getmp(name);
860 if (mp) {
861 // Don't replace existing macro from a lower level
862 if (level > mp->m_level)
863 return;
864
865 // Replace existing macro
866 free(mp->m_val);
867 } else {
868 // If not defined, allocate space for new
869 unsigned int bucket;
870
871 if (!valid && !is_valid_macro(name)) {
872 // Silently drop invalid names from the environment
873 if (from_env)
874 return;
875#if ENABLE_FEATURE_MAKE_POSIX
876 error("invalid macro name '%s'%s", name,
877 potentially_valid_macro(name) ?
878 ": allow with pragma macro_name" : "");
879#else
880 error("invalid macro name '%s'", name);
881#endif
882 }
883
884 bucket = getbucket(name);
885 mp = xzalloc(sizeof(struct macro));
886 mp->m_next = macrohead[bucket];
887 macrohead[bucket] = mp;
888 /* mp->m_flag = FALSE; - xzalloc did it */
889 mp->m_name = xstrdup(name);
890 }
891 mp->m_immediate = immediate;
892 mp->m_level = level;
893 mp->m_val = xstrdup(val ? val : "");
894}
895
896#if ENABLE_FEATURE_CLEAN_UP
897static void
898freemacros(void)
899{
900 int i;
901 struct macro *mp, *nextmp;
902
903 for (i = 0; i < HTABSIZE; i++) {
904 for (mp = macrohead[i]; mp; mp = nextmp) {
905 nextmp = mp->m_next;
906 free(mp->m_name);
907 free(mp->m_val);
908 free(mp);
909 }
910 }
911}
912#endif
913
914/*
915 * Get modification time of file or archive member
916 */
917static void FAST_FUNC
918record_mtime(const file_header_t *file_header)
919{
920 ar_mtime = file_header->mtime;
921}
922
923static time_t
924artime(const char *archive, const char *member)
925{
926 archive_handle_t *archive_handle;
927
928 ar_mtime = 0;
929 archive_handle = init_handle();
930 archive_handle->src_fd = open(archive, O_RDONLY);
931 if (archive_handle->src_fd != -1) {
932 archive_handle->action_header = record_mtime;
933 archive_handle->filter = filter_accept_list;
934 llist_add_to_end(&archive_handle->accept, (void *)member);
935 unpack_ar_archive(archive_handle);
936 close(archive_handle->src_fd);
937 }
938
939#if ENABLE_FEATURE_AR_LONG_FILENAMES
940 free(archive_handle->ar__long_names);
941#endif
942 llist_free(archive_handle->accept, NULL);
943 free(archive_handle->file_header);
944 free(archive_handle);
945
946 return ar_mtime;
947}
948
949/*
950 * If the name is of the form 'libname(member.o)' split it into its
951 * name and member parts and set the member pointer to point to the
952 * latter. Otherwise just take a copy of the name and don't alter
953 * the member pointer.
954 *
955 * In either case the return value is an allocated string which must
956 * be freed by the caller.
957 */
958static char *
959splitlib(const char *name, char **member)
960{
961 char *s, *t;
962 size_t len;
963
964 t = xstrdup(name);
965 s = strchr(t, '(');
966 if (s) {
967 // We have 'libname(member.o)'
968 *s++ = '\0';
969 len = strlen(s);
970 if (len <= 1 || s[len - 1] != ')' || *t == '\0')
971 error("invalid name '%s'", name);
972 s[len - 1] = '\0';
973 *member = s;
974 }
975 return t;
976}
977
978/*
979 * Get the modification time of a file. Set it to 0 if the file
980 * doesn't exist.
981 */
982static void
983modtime(struct name *np)
984{
985 char *name, *member = NULL;
986 struct stat info;
987
988 name = splitlib(np->n_name, &member);
989 if (member) {
990 // Looks like library(member)
991 np->n_tim.tv_sec = artime(name, member);
992 np->n_tim.tv_nsec = 0;
993 } else if (stat(name, &info) < 0) {
994 if (errno != ENOENT)
995 bb_perror_msg("can't open %s", name);
996 np->n_tim.tv_sec = 0;
997 np->n_tim.tv_nsec = 0;
998 } else {
999 np->n_tim.tv_sec = info.st_mtim.tv_sec;
1000 np->n_tim.tv_nsec = info.st_mtim.tv_nsec;
1001 }
1002 free(name);
1003}
1004
1005/*
1006 * Control of the implicit suffix rules
1007 */
1008
1009/*
1010 * Return a pointer to the suffix of a name (which may be the
1011 * terminating NUL if there's no suffix).
1012 */
1013static char *
1014suffix(const char *name)
1015{
1016 char *p = strrchr(name, '.');
1017 return p ? p : (char *)name + strlen(name);
1018}
1019
1020/*
1021 * Search for an inference rule to convert some suffix ('psuff')
1022 * to the target suffix 'tsuff'. The basename of the prerequisite
1023 * is 'base'.
1024 */
1025static struct name *
1026dyndep0(char *base, const char *tsuff, struct rule *infrule)
1027{
1028 char *psuff;
1029 struct name *xp; // Suffixes
1030 struct name *sp; // Suffix rule
1031 struct rule *rp;
1032 struct depend *dp;
1033 bool chain = FALSE;
1034
1035 xp = newname(".SUFFIXES");
1036 retry:
1037 for (rp = xp->n_rule; rp; rp = rp->r_next) {
1038 for (dp = rp->r_dep; dp; dp = dp->d_next) {
1039 // Generate new suffix rule to try
1040 psuff = dp->d_name->n_name;
1041 sp = findname(auto_concat(psuff, tsuff));
1042 if (sp && sp->n_rule) {
1043 struct name *ip;
1044 int got_ip;
1045
1046 // Has rule already been used in this chain?
1047 if ((sp->n_flag & N_MARK))
1048 continue;
1049 // Generate a name for an implicit prerequisite
1050 ip = newname(auto_concat(base, psuff));
1051 if ((ip->n_flag & N_DOING))
1052 continue;
1053
1054 if (!ip->n_tim.tv_sec)
1055 modtime(ip);
1056
1057 if (!chain) {
1058 got_ip = ip->n_tim.tv_sec || (ip->n_flag & N_TARGET);
1059 } else {
1060 sp->n_flag |= N_MARK;
1061 got_ip = dyndep(ip, NULL, NULL) != NULL;
1062 sp->n_flag &= ~N_MARK;
1063 }
1064
1065 if (got_ip) {
1066 // Prerequisite exists or we know how to make it
1067 if (infrule) {
1068 dp = NULL;
1069 newdep(&dp, ip);
1070 infrule->r_dep = dp;
1071 infrule->r_cmd = sp->n_rule->r_cmd;
1072 }
1073 return ip;
1074 }
1075 }
1076 }
1077 }
1078 // If we didn't find an existing file or an explicit rule try
1079 // again, this time looking for a chained inference rule.
1080 if (!posix && !chain) {
1081 chain = TRUE;
1082 goto retry;
1083 }
1084 return NULL;
1085}
1086
1087/*
1088 * If 'name' ends with 'suffix' return an allocated string containing
1089 * the name with the suffix removed, else return NULL.
1090 */
1091static char *
1092has_suffix(const char *name, const char *suffix)
1093{
1094 ssize_t delta = strlen(name) - strlen(suffix);
1095 char *base = NULL;
1096
1097 if (delta > 0 && strcmp(name + delta, suffix) == 0) {
1098 base = xstrdup(name);
1099 base[delta] = '\0';
1100 }
1101
1102 return base;
1103}
1104
1105/*
1106 * Dynamic dependency. This routine applies the suffix rules
1107 * to try and find a source and a set of rules for a missing
1108 * target. NULL is returned on failure. On success the name of
1109 * the implicit prerequisite is returned and the rule used is
1110 * placed in the infrule structure provided by the caller.
1111 */
1112static struct name *
1113dyndep(struct name *np, struct rule *infrule, const char **ptsuff)
1114{
1115 const char *tsuff;
1116 char *base, *name, *member;
1117 struct name *pp = NULL; // Implicit prerequisite
1118
1119 member = NULL;
1120 name = splitlib(np->n_name, &member);
1121
1122 // POSIX only allows inference rules with one or two periods.
1123 // As an extension this restriction is lifted, but not for
1124 // targets of the form lib.a(member.o).
1125 if (!posix && member == NULL) {
1126 struct name *xp = newname(".SUFFIXES");
1127 int found_suffix = FALSE;
1128
1129 for (struct rule *rp = xp->n_rule; rp; rp = rp->r_next) {
1130 for (struct depend *dp = rp->r_dep; dp; dp = dp->d_next) {
1131 tsuff = dp->d_name->n_name;
1132 base = has_suffix(name, tsuff);
1133 if (base) {
1134 found_suffix = TRUE;
1135 pp = dyndep0(base, tsuff, infrule);
1136 free(base);
1137 if (pp) {
1138 goto done;
1139 }
1140 }
1141 }
1142 }
1143
1144 if (!found_suffix) {
1145 // The name didn't have a known suffix. Try single-suffix rule.
1146 tsuff = "";
1147 pp = dyndep0(name, tsuff, infrule);
1148 if (pp) {
1149 done:
1150 if (ptsuff) {
1151 *ptsuff = tsuff;
1152 }
1153 }
1154 }
1155 } else {
1156 tsuff = xstrdup(suffix(name));
1157 base = member ? member : name;
1158 *suffix(base) = '\0';
1159
1160 pp = dyndep0(base, tsuff, infrule);
1161 free((void *)tsuff);
1162 }
1163 free(name);
1164
1165 return pp;
1166}
1167
1168#define RULES \
1169 ".c.o:\n" \
1170 " $(CC) $(CFLAGS) -c $<\n" \
1171 ".y.o:\n" \
1172 " $(YACC) $(YFLAGS) $<\n" \
1173 " $(CC) $(CFLAGS) -c y.tab.c\n" \
1174 " rm -f y.tab.c\n" \
1175 " mv y.tab.o $@\n" \
1176 ".y.c:\n" \
1177 " $(YACC) $(YFLAGS) $<\n" \
1178 " mv y.tab.c $@\n" \
1179 ".l.o:\n" \
1180 " $(LEX) $(LFLAGS) $<\n" \
1181 " $(CC) $(CFLAGS) -c lex.yy.c\n" \
1182 " rm -f lex.yy.c\n" \
1183 " mv lex.yy.o $@\n" \
1184 ".l.c:\n" \
1185 " $(LEX) $(LFLAGS) $<\n" \
1186 " mv lex.yy.c $@\n" \
1187 ".c.a:\n" \
1188 " $(CC) -c $(CFLAGS) $<\n" \
1189 " $(AR) $(ARFLAGS) $@ $*.o\n" \
1190 " rm -f $*.o\n" \
1191 ".c:\n" \
1192 " $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<\n" \
1193 ".sh:\n" \
1194 " cp $< $@\n" \
1195 " chmod a+x $@\n"
1196
1197#define RULES_2017 \
1198 ".SUFFIXES:.o .c .y .l .a .sh .f\n" \
1199 ".f.o:\n" \
1200 " $(FC) $(FFLAGS) -c $<\n" \
1201 ".f.a:\n" \
1202 " $(FC) -c $(FFLAGS) $<\n" \
1203 " $(AR) $(ARFLAGS) $@ $*.o\n" \
1204 " rm -f $*.o\n" \
1205 ".f:\n" \
1206 " $(FC) $(FFLAGS) $(LDFLAGS) -o $@ $<\n"
1207
1208#define RULES_2024 \
1209 ".SUFFIXES:.o .c .y .l .a .sh\n"
1210
1211#define MACROS \
1212 "CFLAGS=-O1\n" \
1213 "YACC=yacc\n" \
1214 "YFLAGS=\n" \
1215 "LEX=lex\n" \
1216 "LFLAGS=\n" \
1217 "AR=ar\n" \
1218 "ARFLAGS=-rv\n" \
1219 "LDFLAGS=\n"
1220
1221#define MACROS_2017 \
1222 "CC=c99\n" \
1223 "FC=fort77\n" \
1224 "FFLAGS=-O1\n" \
1225
1226#define MACROS_2024 \
1227 "CC=c17\n"
1228
1229#define MACROS_EXT \
1230 "CC=cc\n"
1231
1232/*
1233 * Read the built-in rules using a fake fgets-like interface.
1234 */
1235static char *
1236getrules(char *s, int size)
1237{
1238 char *r = s;
1239
1240 if (rulepos == NULL || *rulepos == '\0') {
1241 if (rule_idx == 0) {
1242 rulepos = MACROS;
1243 rule_idx++;
1244 } else if (rule_idx == 1) {
1245 if (POSIX_2017)
1246 rulepos = MACROS_2017;
1247 else if (posix)
1248 rulepos = MACROS_2024;
1249 else
1250 rulepos = MACROS_EXT;
1251 rule_idx++;
1252 } else if (!norules) {
1253 if (rule_idx == 2) {
1254 rulepos = POSIX_2017 ? RULES_2017 : RULES_2024;
1255 rule_idx++;
1256 } else if (rule_idx == 3) {
1257 rulepos = RULES;
1258 rule_idx++;
1259 }
1260 }
1261 }
1262
1263 if (*rulepos == '\0')
1264 return NULL;
1265
1266 while (--size) {
1267 if ((*r++ = *rulepos++) == '\n')
1268 break;
1269 }
1270 *r = '\0';
1271 return s;
1272}
1273
1274/*
1275 * Parse a makefile
1276 */
1277
1278/*
1279 * Return a pointer to the next blank-delimited word or NULL if
1280 * there are none left.
1281 */
1282static char *
1283gettok(char **ptr)
1284{
1285 char *p;
1286
1287 while (isblank(**ptr)) // Skip blanks
1288 (*ptr)++;
1289
1290 if (**ptr == '\0') // Nothing after blanks
1291 return NULL;
1292
1293 p = *ptr; // Word starts here
1294
1295 while (**ptr != '\0' && !isblank(**ptr))
1296 (*ptr)++; // Find end of word
1297
1298 // Terminate token and move on unless already at end of string
1299 if (**ptr != '\0')
1300 *(*ptr)++ = '\0';
1301
1302 return(p);
1303}
1304
1305/*
1306 * Skip over (possibly adjacent or nested) macro expansions.
1307 */
1308static char *
1309skip_macro(const char *s)
1310{
1311 while (*s && s[0] == '$') {
1312 if (s[1] == '(' || s[1] == '{') {
1313 char end = *++s == '(' ? ')' : '}';
1314 while (*s && *s != end)
1315 s = skip_macro(s + 1);
1316 if (*s == end)
1317 ++s;
1318 } else if (s[1] != '\0') {
1319 s += 2;
1320 } else {
1321 break;
1322 }
1323 }
1324 return (char *)s;
1325}
1326
1327/*
1328 * Process each whitespace-separated word in the input string:
1329 *
1330 * - replace paths with their directory or filename part
1331 * - replace prefixes and suffixes
1332 *
1333 * Returns an allocated string or NULL if the input is unmodified.
1334 */
1335static char *
1336modify_words(const char *val, int modifier, size_t lenf, size_t lenr,
1337 const char *find_pref, const char *repl_pref,
1338 const char *find_suff, const char *repl_suff)
1339{
1340 char *s, *copy, *word, *sep, *buf = NULL;
1341 size_t find_pref_len = 0, find_suff_len = 0;
1342
1343 if (!modifier && lenf == 0 && lenr == 0)
1344 return buf;
1345
1346 if (find_pref) {
1347 // get length of find prefix, e.g: src/
1348 find_pref_len = strlen(find_pref);
1349 // get length of find suffix, e.g: .c
1350 find_suff_len = lenf - find_pref_len - 1;
1351 }
1352
1353 s = copy = xstrdup(val);
1354 while ((word = gettok(&s)) != NULL) {
1355 if (modifier) {
1356 sep = strrchr(word, '/');
1357 if (modifier == 'D') {
1358 if (!sep) {
1359 word[0] = '.'; // no '/', return "."
1360 sep = word + 1;
1361 } else if (sep == word) {
1362 // '/' at start of word, return "/"
1363 sep = word + 1;
1364 }
1365 // else terminate at separator
1366 *sep = '\0';
1367 } else if (/* modifier == 'F' && */ sep) {
1368 word = sep + 1;
1369 }
1370 }
1371 if (find_pref != NULL || lenf != 0 || lenr != 0) {
1372 size_t lenw = strlen(word);
1373 // This code implements pattern macro expansions:
1374 // https://austingroupbugs.net/view.php?id=519
1375 //
1376 // find: <prefix>%<suffix>
1377 // example: src/%.c
1378 //
1379 // For a pattern of the form:
1380 // $(string1:[op]%[os]=[np][%][ns])
1381 // lenf is the length of [op]%[os]. So lenf >= 1.
1382 if (find_pref != NULL && lenw + 1 >= lenf) {
1383 // If prefix and suffix of word match find_pref and
1384 // find_suff, then do substitution.
1385 if (strncmp(word, find_pref, find_pref_len) == 0 &&
1386 strcmp(word + lenw - find_suff_len, find_suff) == 0) {
1387 // replace: <prefix>[%<suffix>]
1388 // example: build/%.o or build/all.o (notice no %)
1389 // If repl_suff is NULL, replace whole word with repl_pref.
1390 if (!repl_suff) {
1391 word = xstrdup(repl_pref);
1392 } else {
1393 word[lenw - find_suff_len] = '\0';
1394 word = xasprintf("%s%s%s", repl_pref,
1395 word + find_pref_len, repl_suff);
1396 }
1397 word = auto_string(word);
1398 }
1399 } else if (lenw >= lenf &&
1400 strcmp(word + lenw - lenf, find_suff) == 0) {
1401 word[lenw - lenf] = '\0';
1402 word = auto_concat(word, repl_suff);
1403 }
1404 }
1405 buf = xappendword(buf, word);
1406 }
1407 free(copy);
1408 return buf;
1409}
1410
1411/*
1412 * Return a pointer to the next instance of a given character. Macro
1413 * expansions are skipped so the ':' and '=' in $(VAR:.s1=.s2) aren't
1414 * detected as separators in macro definitions. Some other situations
1415 * also require skipping the internals of a macro expansion.
1416 */
1417static char *
1418find_char(const char *str, int c)
1419{
1420 const char *s;
1421
1422 for (s = skip_macro(str); *s; s = skip_macro(s + 1)) {
1423 if (*s == c)
1424 return (char *)s;
1425 }
1426 return NULL;
1427}
1428
1429#if ENABLE_PLATFORM_MINGW32
1430/*
1431 * Check for a target rule by searching for a colon that isn't
1432 * part of a Windows path. Return a pointer to the colon or NULL.
1433 */
1434static char *
1435find_colon(char *p)
1436{
1437 char *q;
1438
1439 for (q = p; (q = strchr(q, ':')); ++q) {
1440 if (posix && !(pragma & P_WINDOWS))
1441 break;
1442 if (q == p || !isalpha(q[-1]) || q[1] != '/')
1443 break;
1444 }
1445 return q;
1446}
1447#else
1448# define find_colon(s) strchr(s, ':')
1449#endif
1450
1451/*
1452 * Recursively expand any macros in str to an allocated string.
1453 */
1454static char *
1455expand_macros(const char *str, int except_dollar)
1456{
1457 char *exp, *newexp, *s, *t, *p, *q, *name;
1458 char *find, *replace, *modified;
1459 char *expval, *expfind, *find_suff, *repl_suff;
1460 char *find_pref = NULL, *repl_pref = NULL;
1461 size_t lenf, lenr;
1462 char modifier;
1463 struct macro *mp;
1464
1465 exp = xstrdup(str);
1466 for (t = exp; *t; t++) {
1467 if (*t == '$') {
1468 if (t[1] == '\0') {
1469 break;
1470 }
1471 if (t[1] == '$' && except_dollar) {
1472 t++;
1473 continue;
1474 }
1475 // Need to expand a macro. Find its extent (s to t inclusive)
1476 // and take a copy of its content.
1477 s = t;
1478 t++;
1479 if (*t == '{' || *t == '(') {
1480 t = find_char(t, *t == '{' ? '}' : ')');
1481 if (t == NULL)
1482 error("unterminated variable '%s'", s);
1483 name = xstrndup(s + 2, t - s - 2);
1484 } else {
1485 name = xzalloc(2);
1486 name[0] = *t;
1487 /*name[1] = '\0'; - xzalloc did it */
1488 }
1489
1490 // Only do suffix replacement or pattern macro expansion
1491 // if both ':' and '=' are found, plus a '%' for the latter.
1492 // Suffix replacement is indicated by
1493 // find_pref == NULL && (lenf != 0 || lenr != 0);
1494 // pattern macro expansion by find_pref != NULL.
1495 expfind = NULL;
1496 find_suff = repl_suff = NULL;
1497 lenf = lenr = 0;
1498 if ((find = find_char(name, ':'))) {
1499 *find++ = '\0';
1500 expfind = expand_macros(find, FALSE);
1501 if ((replace = find_char(expfind, '='))) {
1502 *replace++ = '\0';
1503 lenf = strlen(expfind);
1504 if (!POSIX_2017 && (find_suff = strchr(expfind, '%'))) {
1505 find_pref = expfind;
1506 repl_pref = replace;
1507 *find_suff++ = '\0';
1508 if ((repl_suff = strchr(replace, '%')))
1509 *repl_suff++ = '\0';
1510 } else {
1511 if (posix && !(pragma & P_EMPTY_SUFFIX) && lenf == 0)
1512 error("empty suffix%s",
1513 !ENABLE_FEATURE_MAKE_POSIX ? "" :
1514 ": allow with pragma empty_suffix");
1515 find_suff = expfind;
1516 repl_suff = replace;
1517 lenr = strlen(repl_suff);
1518 }
1519 }
1520 }
1521
1522 p = q = name;
1523 // If not in POSIX mode expand macros in the name.
1524 if (!POSIX_2017) {
1525 char *expname = expand_macros(name, FALSE);
1526 free(name);
1527 name = expname;
1528 } else {
1529 // Skip over nested expansions in name
1530 do {
1531 *q++ = *p;
1532 } while ((p = skip_macro(p + 1)) && *p);
1533 }
1534
1535 // The internal macros support 'D' and 'F' modifiers
1536 modifier = '\0';
1537 switch (name[0]) {
1538 case '^':
1539 case '+':
1540 if (POSIX_2017)
1541 break;
1542 // fall through
1543 case '@': case '%': case '?': case '<': case '*':
1544 if ((name[1] == 'D' || name[1] == 'F') && name[2] == '\0') {
1545 modifier = name[1];
1546 name[1] = '\0';
1547 }
1548 break;
1549 }
1550
1551 modified = NULL;
1552 if ((mp = getmp(name))) {
1553 // Recursive expansion
1554 if (mp->m_flag)
1555 error("recursive macro %s", name);
1556 // Note if we've expanded $(MAKE)
1557 if (strcmp(name, "MAKE") == 0)
1558 opts |= OPT_make;
1559 mp->m_flag = TRUE;
1560 expval = expand_macros(mp->m_val, FALSE);
1561 mp->m_flag = FALSE;
1562 modified = modify_words(expval, modifier, lenf, lenr,
1563 find_pref, repl_pref, find_suff, repl_suff);
1564 if (modified)
1565 free(expval);
1566 else
1567 modified = expval;
1568 }
1569 free(name);
1570 free(expfind);
1571
1572 if (modified && *modified) {
1573 // The text to be replaced by the macro expansion is
1574 // from s to t inclusive.
1575 *s = '\0';
1576 newexp = xasprintf("%s%s%s", exp, modified, t + 1);
1577 t = newexp + (s - exp) + strlen(modified) - 1;
1578 free(exp);
1579 exp = newexp;
1580 } else {
1581 // Macro wasn't expanded or expanded to nothing.
1582 // Close the space occupied by the macro reference.
1583 q = t + 1;
1584 t = s - 1;
1585 while ((*s++ = *q++))
1586 continue;
1587 }
1588 free(modified);
1589 }
1590 }
1591 return exp;
1592}
1593
1594/*
1595 * Process a non-command line
1596 */
1597static void
1598process_line(char *s)
1599{
1600 char *t;
1601
1602 // Strip comment
1603 // don't treat '#' in macro expansion as a comment
1604 // nor '#' outside macro expansion preceded by backslash
1605 if (!posix) {
1606 char *u = s;
1607 while ((t = find_char(u, '#')) && t > u && t[-1] == '\\') {
1608 for (u = t; *u; ++u) {
1609 u[-1] = u[0];
1610 }
1611 *u = '\0';
1612 u = t;
1613 }
1614 } else
1615 t = strchr(s, '#');
1616 if (t)
1617 *t = '\0';
1618
1619 // Replace escaped newline and any leading white space on the
1620 // following line with a single space. Stop processing at a
1621 // non-escaped newline.
1622 for (t = s; *s && *s != '\n'; ) {
1623 if (s[0] == '\\' && s[1] == '\n') {
1624 s += 2;
1625 while (isspace(*s))
1626 ++s;
1627 *t++ = ' ';
1628 } else {
1629 *t++ = *s++;
1630 }
1631 }
1632 *t = '\0';
1633}
1634
1635enum {
1636 INITIAL = 0,
1637 SKIP_LINE = 1 << 0,
1638 EXPECT_ELSE = 1 << 1,
1639 GOT_MATCH = 1 << 2
1640};
1641
1642#define IFDEF 0
1643#define IFNDEF 1
1644#define IFEQ 2
1645#define IFNEQ 3
1646#define ELSE 0
1647#define ENDIF 1
1648
1649/*
1650 * Extract strings following ifeq/ifneq and compare them.
1651 * Return -1 on error.
1652 */
1653static int
1654compare_strings(char *arg1)
1655{
1656 char *arg2, *end, term, *t1, *t2;
1657 int ret;
1658
1659 // Get first string terminator.
1660 if (arg1[0] == '(')
1661 term = ',';
1662 else if (arg1[0] == '"' || arg1[0] == '\'')
1663 term = arg1[0];
1664 else
1665 return -1;
1666
1667 arg2 = find_char(++arg1, term);
1668 if (arg2 == NULL)
1669 return -1;
1670 *arg2++ = '\0';
1671
1672 // Get second string terminator.
1673 if (term == ',') {
1674 term = ')';
1675 } else {
1676 // Skip spaces between quoted strings.
1677 while (isspace(arg2[0]))
1678 arg2++;
1679 if (arg2[0] == '"' || arg2[0] == '\'')
1680 term = arg2[0];
1681 else
1682 return -1;
1683 ++arg2;
1684 }
1685
1686 end = find_char(arg2, term);
1687 if (end == NULL)
1688 return -1;
1689 *end++ = '\0';
1690
1691 if (gettok(&end) != NULL) {
1692 warning("unexpected text");
1693 }
1694
1695 t1 = expand_macros(arg1, FALSE);
1696 t2 = expand_macros(arg2, FALSE);
1697
1698 ret = strcmp(t1, t2) == 0;
1699 free(t1);
1700 free(t2);
1701 return ret;
1702}
1703
1704/*
1705 * Process conditional directives and return TRUE if the current line
1706 * should be skipped.
1707 */
1708static int
1709skip_line(const char *str1)
1710{
1711 char *copy, *q, *token;
1712 bool new_level = TRUE;
1713 // Default is to return skip flag for current level
1714 int ret = cstate[clevel] & SKIP_LINE;
1715 int key;
1716
1717 q = copy = xstrdup(str1);
1718 process_line(copy);
1719 if ((token = gettok(&q)) != NULL) {
1720 switch (index_in_strings("else\0endif\0", token)) {
1721 case ENDIF:
1722 if (gettok(&q) != NULL)
1723 error_unexpected("text");
1724 if (clevel == 0)
1725 error_unexpected(token);
1726 --clevel;
1727 ret = TRUE;
1728 goto end;
1729 case ELSE:
1730 if (!(cstate[clevel] & EXPECT_ELSE))
1731 error_unexpected(token);
1732
1733 // If an earlier condition matched we'll now skip lines.
1734 // If not we don't, though an 'else if' may override this.
1735 if ((cstate[clevel] & GOT_MATCH))
1736 cstate[clevel] |= SKIP_LINE;
1737 else
1738 cstate[clevel] &= ~SKIP_LINE;
1739
1740 token = gettok(&q);
1741 if (token == NULL) {
1742 // Simple else with no conditional directive
1743 cstate[clevel] &= ~EXPECT_ELSE;
1744 ret = TRUE;
1745 goto end;
1746 } else {
1747 // A conditional directive is now required ('else if').
1748 new_level = FALSE;
1749 }
1750 }
1751
1752 key = index_in_strings("ifdef\0ifndef\0ifeq\0ifneq\0", token);
1753 if (key != -1) {
1754 int match;
1755
1756 if (key == IFDEF || key == IFNDEF) {
1757 // ifdef/ifndef: find out if macro is defined.
1758 char *name = gettok(&q);
1759 if (name != NULL && gettok(&q) == NULL) {
1760 char *t = expand_macros(name, FALSE);
1761 struct macro *mp = getmp(t);
1762 match = mp != NULL && mp->m_val[0] != '\0';
1763 free(t);
1764 } else {
1765 match = -1;
1766 }
1767 } else {
1768 // ifeq/ifneq: compare strings.
1769 match = compare_strings(q);
1770 }
1771
1772 if (match >= 0) {
1773 if (new_level) {
1774 // Start a new level.
1775 if (clevel == IF_MAX)
1776 error("nesting too deep");
1777 ++clevel;
1778 cstate[clevel] = EXPECT_ELSE | SKIP_LINE;
1779 // If we were skipping lines at the previous level
1780 // we need to continue doing that unconditionally
1781 // at the new level.
1782 if ((cstate[clevel - 1] & SKIP_LINE))
1783 cstate[clevel] |= GOT_MATCH;
1784 }
1785
1786 if (!(cstate[clevel] & GOT_MATCH)) {
1787 if (key == IFNDEF || key == IFNEQ)
1788 match = !match;
1789 if (match) {
1790 cstate[clevel] &= ~SKIP_LINE;
1791 cstate[clevel] |= GOT_MATCH;
1792 }
1793 }
1794 } else {
1795 error("invalid condition");
1796 }
1797 ret = TRUE;
1798 } else if (!new_level) {
1799 error("missing conditional");
1800 }
1801 }
1802 end:
1803 free(copy);
1804 return ret;
1805}
1806
1807/*
1808 * If fd is NULL read the built-in rules. Otherwise read from the
1809 * specified file descriptor.
1810 */
1811static char *
1812make_fgets(char *s, int size, FILE *fd)
1813{
1814 return fd ? fgets(s, size, fd) : getrules(s, size);
1815}
1816
1817/*
1818 * Read a newline-terminated line into an allocated string.
1819 * Backslash-escaped newlines don't terminate the line.
1820 * Ignore comment lines. Return NULL on EOF.
1821 */
1822static char *
1823readline(FILE *fd, int want_command)
1824{
1825 char *p, *str = NULL;
1826 int pos = 0;
1827 int len = 0;
1828
1829 for (;;) {
1830 // We need room for at least one character and a NUL terminator
1831 if (len - pos > 1 &&
1832 make_fgets(str + pos, len - pos, fd) == NULL) {
1833 if (pos)
1834 return str;
1835 free(str);
1836 return NULL; // EOF
1837 }
1838
1839 if (len - pos < 2 || (p = strchr(str + pos, '\n')) == NULL) {
1840 // Need more room
1841 if (len)
1842 pos = len - 1;
1843 len += 256;
1844 str = xrealloc(str, len);
1845 continue;
1846 }
1847 lineno++;
1848
1849#if ENABLE_PLATFORM_MINGW32
1850 // Remove CR before LF
1851 if (p != str && p[-1] == '\r') {
1852 p[-1] = '\n';
1853 *p-- = '\0';
1854 }
1855#endif
1856 // Keep going if newline has been escaped
1857 if (p != str && p[-1] == '\\') {
1858 pos = p - str + 1;
1859 continue;
1860 }
1861 dispno = lineno;
1862
1863 // Check for lines that are conditionally skipped.
1864 if (posix || !skip_line(str)) {
1865 if (want_command && *str == '\t')
1866 return str;
1867
1868 // Check for comment lines
1869 p = str;
1870 while (isblank(*p))
1871 p++;
1872
1873 if (*p != '\n' && (posix ? *str != '#' : *p != '#'))
1874 return str;
1875 }
1876
1877 pos = 0;
1878 }
1879}
1880
1881/*
1882 * Return a pointer to the suffix name if the argument is a known suffix
1883 * or NULL if it isn't.
1884 */
1885static const char *
1886is_suffix(const char *s)
1887{
1888 struct name *np;
1889 struct rule *rp;
1890 struct depend *dp;
1891
1892 np = newname(".SUFFIXES");
1893 for (rp = np->n_rule; rp; rp = rp->r_next) {
1894 for (dp = rp->r_dep; dp; dp = dp->d_next) {
1895 if (strcmp(s, dp->d_name->n_name) == 0) {
1896 return dp->d_name->n_name;
1897 }
1898 }
1899 }
1900 return NULL;
1901}
1902
1903/*
1904 * Return TRUE if the argument is formed by concatenating two
1905 * known suffixes.
1906 */
1907static int
1908is_inference_target(const char *s)
1909{
1910 struct name *np;
1911 struct rule *rp1, *rp2;
1912 struct depend *dp1, *dp2;
1913
1914 np = newname(".SUFFIXES");
1915 for (rp1 = np->n_rule; rp1; rp1 = rp1->r_next) {
1916 for (dp1 = rp1->r_dep; dp1; dp1 = dp1->d_next) {
1917 const char *suff1 = dp1->d_name->n_name;
1918 size_t len = strlen(suff1);
1919
1920 if (strncmp(s, suff1, len) == 0) {
1921 for (rp2 = np->n_rule; rp2; rp2 = rp2->r_next) {
1922 for (dp2 = rp2->r_dep; dp2; dp2 = dp2->d_next) {
1923 const char *suff2 = dp2->d_name->n_name;
1924 if (strcmp(s + len, suff2) == 0) {
1925 return TRUE;
1926 }
1927 }
1928 }
1929 }
1930 }
1931 }
1932 return FALSE;
1933}
1934
1935enum {
1936 T_NORMAL = 0,
1937 T_SPECIAL = (1 << 0),
1938 T_INFERENCE = (1 << 1), // Inference rule
1939 T_NOPREREQ = (1 << 2), // If set must not have prerequisites
1940 T_COMMAND = (1 << 3), // If set must have commands, if unset must not
1941};
1942
1943/*
1944 * Determine if the argument is a special target and return a set
1945 * of flags indicating its properties.
1946 */
1947static int
1948target_type(char *s)
1949{
1950 int ret;
1951 static const char *s_name =
1952 ".DEFAULT\0"
1953 ".POSIX\0"
1954 ".IGNORE\0"
1955 ".PRECIOUS\0"
1956 ".SILENT\0"
1957 ".SUFFIXES\0"
1958 ".PHONY\0"
1959 ".NOTPARALLEL\0"
1960 ".WAIT\0"
1961#if ENABLE_FEATURE_MAKE_POSIX
1962 ".PRAGMA\0"
1963#endif
1964 ;
1965
1966 static const uint8_t s_type[] = {
1967 T_SPECIAL | T_NOPREREQ | T_COMMAND,
1968 T_SPECIAL | T_NOPREREQ,
1969 T_SPECIAL,
1970 T_SPECIAL,
1971 T_SPECIAL,
1972 T_SPECIAL,
1973 T_SPECIAL,
1974 T_SPECIAL | T_NOPREREQ,
1975 T_SPECIAL | T_NOPREREQ,
1976 T_SPECIAL,
1977 };
1978
1979 // Check for one of the known special targets
1980 ret = index_in_strings(s_name, s);
1981 if (ret >= 0)
1982 return s_type[ret];
1983
1984 // Check for an inference rule
1985 ret = T_NORMAL;
1986 if (!posix) {
1987 if (is_suffix(s) || is_inference_target(s)) {
1988 ret = T_INFERENCE | T_NOPREREQ | T_COMMAND;
1989 }
1990 } else {
1991 // In POSIX inference rule targets must contain one or two dots
1992 char *sfx = suffix(s);
1993 if (*s == '.' && is_suffix(sfx)) {
1994 if (s == sfx) { // Single suffix rule
1995 ret = T_INFERENCE | T_NOPREREQ | T_COMMAND;
1996 } else {
1997 // Suffix is valid, check that prefix is too
1998 *sfx = '\0';
1999 if (is_suffix(s))
2000 ret = T_INFERENCE | T_NOPREREQ | T_COMMAND;
2001 *sfx = '.';
2002 }
2003 }
2004 }
2005 return ret;
2006}
2007
2008static int
2009ends_with_bracket(const char *s)
2010{
2011 return last_char_is(s, ')') != NULL;
2012}
2013
2014/*
2015 * Process a command line
2016 */
2017static char *
2018process_command(char *s)
2019{
2020 char *t, *u;
2021 int len;
2022 char *outside;
2023
2024 if (!(pragma & P_COMMAND_COMMENT) && posix) {
2025 // POSIX strips comments from command lines
2026 t = strchr(s, '#');
2027 if (t) {
2028 *t = '\0';
2029 warning("comment in command removed: keep with pragma command_comment");
2030 }
2031 }
2032
2033 len = strlen(s) + 1;
2034 outside = xzalloc(len);
2035 for (t = skip_macro(s); *t; t = skip_macro(t + 1)) {
2036 outside[t - s] = 1;
2037 }
2038
2039 // Process escaped newlines. Stop at first non-escaped newline.
2040 for (t = u = s; *u && *u != '\n'; ) {
2041 if (u[0] == '\\' && u[1] == '\n') {
2042 if (POSIX_2017 || outside[u - s]) {
2043 // Outside macro: remove tab following escaped newline.
2044 *t++ = *u++;
2045 *t++ = *u++;
2046 u += (*u == '\t');
2047 } else {
2048 // Inside macro: replace escaped newline and any leading
2049 // whitespace on the following line with a single space.
2050 u += 2;
2051 while (isspace(*u))
2052 ++u;
2053 *t++ = ' ';
2054 }
2055 } else {
2056 *t++ = *u++;
2057 }
2058 }
2059 *t = '\0';
2060 free(outside);
2061 return s;
2062}
2063
2064static char *
2065run_command(const char *cmd)
2066{
2067 FILE *fd;
2068 char *s, *val = NULL;
2069 char buf[256];
2070 size_t len = 0, nread;
2071
2072 if ((fd = popen(cmd, "r")) == NULL)
2073 return val;
2074
2075 for (;;) {
2076 nread = fread(buf, 1, sizeof(buf), fd);
2077 if (nread == 0)
2078 break;
2079
2080 val = xrealloc(val, len + nread + 1);
2081 memcpy(val + len, buf, nread);
2082 len += nread;
2083 val[len] = '\0';
2084 }
2085 pclose(fd);
2086
2087 if (val == NULL)
2088 return NULL;
2089
2090 // Strip leading whitespace in POSIX 2024 mode
2091 if (posix) {
2092 s = val;
2093 while (isspace(*s)) {
2094 ++s;
2095 --len;
2096 }
2097
2098 if (len == 0) {
2099 free(val);
2100 return NULL;
2101 }
2102 memmove(val, s, len + 1);
2103 }
2104
2105#if ENABLE_PLATFORM_MINGW32
2106 len = remove_cr(val, len + 1) - 1;
2107 if (len == 0) {
2108 free(val);
2109 return NULL;
2110 }
2111#endif
2112
2113 // Remove one newline from the end (BSD compatibility)
2114 if (val[len - 1] == '\n')
2115 val[len - 1] = '\0';
2116 // Other newlines are changed to spaces
2117 for (s = val; *s; ++s) {
2118 if (*s == '\n')
2119 *s = ' ';
2120 }
2121 return val;
2122}
2123
2124/*
2125 * Check for an unescaped wildcard character
2126 */
2127static int wildchar(const char *p)
2128{
2129 while (*p) {
2130 switch (*p) {
2131 case '?':
2132 case '*':
2133 case '[':
2134 return 1;
2135 case '\\':
2136 if (p[1] != '\0')
2137 ++p;
2138 break;
2139 }
2140 ++p;
2141 }
2142 return 0;
2143}
2144
2145/*
2146 * Expand any wildcards in a pattern. Return TRUE if a match is
2147 * found, in which case the caller should call globfree() on the
2148 * glob_t structure.
2149 */
2150static int
2151wildcard(char *p, glob_t *gd)
2152{
2153 int ret;
2154 char *s;
2155
2156 // Don't call glob() if there are no wildcards.
2157 if (!wildchar(p)) {
2158 nomatch:
2159 // Remove backslashes from the name.
2160 for (s = p; *p; ++p) {
2161 if (*p == '\\' && p[1] != '\0')
2162 continue;
2163 *s++ = *p;
2164 }
2165 *s = '\0';
2166 return 0;
2167 }
2168
2169 memset(gd, 0, sizeof(*gd));
2170 ret = glob(p, GLOB_NOSORT, NULL, gd);
2171 if (ret == GLOB_NOMATCH) {
2172 globfree(gd);
2173 goto nomatch;
2174 } else if (ret != 0) {
2175 error("glob error for '%s'", p);
2176 }
2177 return 1;
2178}
2179
2180#if ENABLE_FEATURE_MAKE_POSIX
2181static void
2182pragmas_from_env(void)
2183{
2184 char *p, *q, *var;
2185 const char *env = getenv("PDPMAKE_PRAGMAS");
2186
2187 if (env == NULL)
2188 return;
2189
2190 q = var = xstrdup(env);
2191 while ((p = gettok(&q)) != NULL)
2192 set_pragma(p);
2193 free(var);
2194}
2195#endif
2196
2197/*
2198 * Determine if a line is a target rule with an inline command.
2199 * Return a pointer to the semicolon separator if it is, else NULL.
2200 */
2201static char *
2202inline_command(char *line)
2203{
2204 char *p = find_char(line, ':');
2205
2206 if (p)
2207 p = strchr(p, ';');
2208 return p;
2209}
2210
2211/*
2212 * Parse input from the makefile and construct a tree structure of it.
2213 */
2214static void
2215input(FILE *fd, int ilevel)
2216{
2217 char *p, *q, *s, *a, *str, *expanded, *copy;
2218 char *str1, *str2;
2219 struct name *np;
2220 struct depend *dp;
2221 struct cmd *cp;
2222 int startno, count;
2223 bool semicolon_cmd, seen_inference;
2224 uint8_t old_clevel = clevel;
2225 bool dbl;
2226 char *lib = NULL;
2227 glob_t gd;
2228 int nfile, i;
2229 char **files;
2230 bool minus;
2231
2232 lineno = 0;
2233 str1 = readline(fd, FALSE);
2234 while (str1) {
2235 str2 = NULL;
2236
2237 // Newlines and comments are handled differently in command lines
2238 // and other types of line. Take a copy of the current line before
2239 // processing it as a non-command line in case it contains a
2240 // rule with a command line. That is, a line of the form:
2241 //
2242 // target: prereq; command
2243 //
2244 copy = xstrdup(str1);
2245 process_line(str1);
2246 str = str1;
2247
2248 // Check for an include line
2249 if (!posix)
2250 while (isblank(*str))
2251 ++str;
2252 minus = !POSIX_2017 && *str == '-';
2253 p = str + minus;
2254 if (strncmp(p, "include", 7) == 0 && isblank(p[7])) {
2255 const char *old_makefile = makefile;
2256 int old_lineno = lineno;
2257
2258 if (ilevel > 16)
2259 error("too many includes");
2260
2261 count = 0;
2262 q = expanded = expand_macros(p + 7, FALSE);
2263 while ((p = gettok(&q)) != NULL) {
2264 FILE *ifd;
2265
2266 ++count;
2267 if (!POSIX_2017) {
2268 // Try to create include file or bring it up-to-date
2269 opts |= OPT_include;
2270 make(newname(p), 1);
2271 opts &= ~OPT_include;
2272 }
2273 if ((ifd = fopen(p, "r")) == NULL) {
2274 if (!minus)
2275 error("can't open include file '%s'", p);
2276 } else {
2277 makefile = p;
2278 input(ifd, ilevel + 1);
2279 fclose(ifd);
2280 makefile = old_makefile;
2281 lineno = old_lineno;
2282 }
2283 if (POSIX_2017)
2284 break;
2285 }
2286 if (POSIX_2017) {
2287 // In POSIX 2017 zero or more than one include file is
2288 // unspecified behaviour.
2289 if (p == NULL || gettok(&q)) {
2290 error("one include file per line");
2291 }
2292 } else if (count == 0) {
2293 // In POSIX 2024 no include file is unspecified behaviour.
2294 if (posix)
2295 error("no include file");
2296 }
2297 goto end_loop;
2298 }
2299
2300 // Check for a macro definition
2301 str = str1;
2302 // POSIX 2024 seems to allow a tab as the first character of
2303 // a macro definition, though most implementations don't.
2304 if (POSIX_2017 && *str == '\t')
2305 error("command not allowed here");
2306 if (find_char(str, '=') != NULL) {
2307 int level = (useenv || fd == NULL) ? 4 : 3;
2308 // Use a copy of the line: we might need the original
2309 // if this turns out to be a target rule.
2310 char *copy2 = xstrdup(str);
2311 char *newq = NULL;
2312 char eq = '\0';
2313 q = find_char(copy2, '='); // q can't be NULL
2314
2315 if (q - 1 > copy2) {
2316 switch (q[-1]) {
2317 case ':':
2318 // '::=' and ':::=' are from POSIX 2024.
2319 if (!POSIX_2017 && q - 2 > copy2 && q[-2] == ':') {
2320 if (q - 3 > copy2 && q[-3] == ':') {
2321 eq = 'B'; // BSD-style ':='
2322 q[-3] = '\0';
2323 } else {
2324 eq = ':'; // GNU-style ':='
2325 q[-2] = '\0';
2326 }
2327 break;
2328 }
2329 // ':=' is a non-POSIX extension.
2330 if (posix)
2331 break;
2332 goto set_eq;
2333 case '+':
2334 case '?':
2335 case '!':
2336 // '+=', '?=' and '!=' are from POSIX 2024.
2337 if (POSIX_2017)
2338 break;
2339 set_eq:
2340 eq = q[-1];
2341 q[-1] = '\0';
2342 break;
2343 }
2344 }
2345 *q++ = '\0'; // Separate name and value
2346 while (isblank(*q))
2347 q++;
2348 if ((p = strrchr(q, '\n')) != NULL)
2349 *p = '\0';
2350
2351 // Expand left-hand side of assignment
2352 p = expanded = expand_macros(copy2, FALSE);
2353 if ((a = gettok(&p)) == NULL)
2354 error("invalid macro assignment");
2355
2356 // If the expanded LHS contains ':' and ';' it can't be a
2357 // macro assignment but it might be a target rule.
2358 if ((s = strchr(a, ':')) != NULL && strchr(s, ';') != NULL) {
2359 free(expanded);
2360 free(copy2);
2361 goto try_target;
2362 }
2363
2364 if (gettok(&p))
2365 error("invalid macro assignment");
2366
2367 if (eq == ':') {
2368 // GNU-style ':='. Expand right-hand side of assignment.
2369 // Macro is of type immediate-expansion.
2370 q = newq = expand_macros(q, FALSE);
2371 level |= M_IMMEDIATE;
2372 }
2373 else if (eq == 'B') {
2374 // BSD-style ':='. Expand right-hand side of assignment,
2375 // though not '$$'. Macro is of type delayed-expansion.
2376 q = newq = expand_macros(q, TRUE);
2377 } else if (eq == '?' && getmp(a) != NULL) {
2378 // Skip assignment if macro is already set
2379 goto end_loop;
2380 } else if (eq == '+') {
2381 // Append to current value
2382 struct macro *mp = getmp(a);
2383 char *rhs;
2384 newq = mp && mp->m_val[0] ? xstrdup(mp->m_val) : NULL;
2385 if (mp && mp->m_immediate) {
2386 // Expand right-hand side of assignment (GNU make
2387 // compatibility)
2388 rhs = expand_macros(q, FALSE);
2389 level |= M_IMMEDIATE;
2390 } else {
2391 rhs = q;
2392 }
2393 newq = xappendword(newq, rhs);
2394 if (rhs != q)
2395 free(rhs);
2396 q = newq;
2397 } else if (eq == '!') {
2398 char *cmd = expand_macros(q, FALSE);
2399 q = newq = run_command(cmd);
2400 free(cmd);
2401 }
2402 setmacro(a, q, level);
2403 free(newq);
2404 free(copy2);
2405 goto end_loop;
2406 }
2407
2408 // If we get here it must be a target rule
2409 try_target:
2410 if (*str == '\t') // Command without target
2411 error("command not allowed here");
2412 p = expanded = expand_macros(str, FALSE);
2413
2414 // Look for colon separator
2415 q = find_colon(p);
2416 if (q == NULL)
2417 error("expected separator");
2418
2419 *q++ = '\0'; // Separate targets and prerequisites
2420
2421 // Double colon
2422 dbl = !posix && *q == ':';
2423 if (dbl)
2424 q++;
2425
2426 // Look for semicolon separator
2427 cp = NULL;
2428 s = strchr(q, ';');
2429 if (s) {
2430 // Retrieve command from original or expanded copy of line
2431 char *copy3 = expand_macros(copy, FALSE);
2432 if ((p = inline_command(copy)) || (p = inline_command(copy3)))
2433 newcmd(&cp, process_command(p + 1));
2434 free(copy3);
2435 *s = '\0';
2436 }
2437 semicolon_cmd = cp != NULL && cp->c_cmd[0] != '\0';
2438
2439 // Create list of prerequisites
2440 dp = NULL;
2441 while (((p = gettok(&q)) != NULL)) {
2442 char *newp = NULL;
2443
2444 if (!posix) {
2445 // Allow prerequisites of form library(member1 member2).
2446 // Leading and trailing spaces in the brackets are skipped.
2447 if (!lib) {
2448 s = strchr(p, '(');
2449 if (s && !ends_with_bracket(s) && strchr(q, ')')) {
2450 // Looks like an unterminated archive member
2451 // with a terminator later on the line.
2452 lib = p;
2453 if (s[1] != '\0') {
2454 p = newp = auto_concat(lib, ")");
2455 s[1] = '\0';
2456 } else {
2457 continue;
2458 }
2459 }
2460 } else if (ends_with_bracket(p)) {
2461 if (*p != ')')
2462 p = newp = auto_concat(lib, p);
2463 lib = NULL;
2464 if (newp == NULL)
2465 continue;
2466 } else {
2467 p = newp = auto_string(xasprintf("%s%s)", lib, p));
2468 }
2469 }
2470
2471 // If not in POSIX mode expand wildcards in the name.
2472 nfile = 1;
2473 files = &p;
2474 if (!posix && wildcard(p, &gd)) {
2475 nfile = gd.gl_pathc;
2476 files = gd.gl_pathv;
2477 }
2478 for (i = 0; i < nfile; ++i) {
2479 if (!POSIX_2017 && strcmp(files[i], ".WAIT") == 0)
2480 continue;
2481 np = newname(files[i]);
2482 newdep(&dp, np);
2483 }
2484 if (files != &p)
2485 globfree(&gd);
2486 free(newp);
2487 }
2488 lib = NULL;
2489
2490 // Create list of commands
2491 startno = dispno;
2492 while ((str2 = readline(fd, TRUE)) && *str2 == '\t') {
2493 newcmd(&cp, process_command(str2));
2494 free(str2);
2495 }
2496 dispno = startno;
2497
2498 // Create target names and attach rule to them
2499 q = expanded;
2500 count = 0;
2501 seen_inference = FALSE;
2502 while ((p = gettok(&q)) != NULL) {
2503 // If not in POSIX mode expand wildcards in the name.
2504 nfile = 1;
2505 files = &p;
2506 if (!posix && wildcard(p, &gd)) {
2507 nfile = gd.gl_pathc;
2508 files = gd.gl_pathv;
2509 }
2510 for (i = 0; i < nfile; ++i) {
2511 int ttype = target_type(files[i]);
2512
2513 np = newname(files[i]);
2514 if (ttype != T_NORMAL) {
2515 // Enforce prerequisites/commands in POSIX mode
2516 if (posix) {
2517 if ((ttype & T_NOPREREQ) && dp)
2518 error_not_allowed("prerequisites", p);
2519 if ((ttype & T_INFERENCE)) {
2520 if (semicolon_cmd)
2521 error_in_inference_rule("'; command'");
2522 seen_inference = TRUE;
2523 }
2524 if ((ttype & T_COMMAND) && !cp &&
2525 !((ttype & T_INFERENCE) && !semicolon_cmd))
2526 error("commands required for %s", p);
2527 if (!(ttype & T_COMMAND) && cp)
2528 error_not_allowed("commands", p);
2529 }
2530
2531 if ((ttype & T_INFERENCE)) {
2532 np->n_flag |= N_INFERENCE;
2533 } else if (strcmp(p, ".DEFAULT") == 0) {
2534 // .DEFAULT rule is a special case
2535 np->n_flag |= N_SPECIAL | N_INFERENCE;
2536 } else {
2537 np->n_flag |= N_SPECIAL;
2538 }
2539 } else if (!firstname) {
2540 firstname = np;
2541 }
2542 addrule(np, dp, cp, dbl);
2543 count++;
2544 }
2545 if (files != &p)
2546 globfree(&gd);
2547 }
2548 if (posix && seen_inference && count != 1)
2549 error_in_inference_rule("multiple targets");
2550
2551 // Prerequisites and commands will be unused if there were
2552 // no targets. Avoid leaking memory.
2553 if (count == 0) {
2554 freedeps(dp);
2555 freecmds(cp);
2556 }
2557
2558 end_loop:
2559 free(str1);
2560 dispno = lineno;
2561 str1 = str2 ? str2 : readline(fd, FALSE);
2562 free(copy);
2563 free(expanded);
2564#if ENABLE_FEATURE_MAKE_POSIX
2565 if (!seen_first && fd) {
2566 if (findname(".POSIX")) {
2567 // The first non-comment line from a real makefile
2568 // defined the .POSIX special target.
2569 setenv("PDPMAKE_POSIXLY_CORRECT", "", 1);
2570 posix = TRUE;
2571 }
2572 seen_first = TRUE;
2573 }
2574#endif
2575 }
2576 // Conditionals aren't allowed to span files
2577 if (clevel != old_clevel)
2578 error("invalid conditional");
2579}
2580
2581static void
2582remove_target(void)
2583{
2584 if (!dryrun && !print && !precious &&
2585 target && !(target->n_flag & (N_PRECIOUS | N_PHONY)) &&
2586 unlink(target->n_name) == 0) {
2587 diagnostic("'%s' removed", target->n_name);
2588 }
2589}
2590
2591/*
2592 * Update the modification time of a file to now.
2593 */
2594static void
2595touch(struct name *np)
2596{
2597 if (dryrun || !silent)
2598 printf("touch %s\n", np->n_name);
2599
2600 if (!dryrun) {
2601 const struct timespec timebuf[2] = {{0, UTIME_NOW}, {0, UTIME_NOW}};
2602
2603 if (utimensat(AT_FDCWD, np->n_name, timebuf, 0) < 0) {
2604 if (errno == ENOENT) {
2605 int fd = open(np->n_name, O_RDWR | O_CREAT, 0666);
2606 if (fd >= 0) {
2607 close(fd);
2608 return;
2609 }
2610 }
2611 warning("touch %s failed", np->n_name);
2612 }
2613 }
2614}
2615
2616/*
2617 * Do commands to make a target
2618 */
2619static int
2620docmds(struct name *np, struct cmd *cp)
2621{
2622 int estat = 0;
2623 char *q, *command;
2624
2625 for (; cp; cp = cp->c_next) {
2626 uint32_t ssilent, signore, sdomake;
2627
2628 // Location of command in makefile (for use in error messages)
2629 curr_cmd = cp;
2630 opts &= ~OPT_make; // We want to know if $(MAKE) is expanded
2631 q = command = expand_macros(cp->c_cmd, FALSE);
2632 ssilent = silent || (np->n_flag & N_SILENT) || dotouch;
2633 signore = ignore || (np->n_flag & N_IGNORE);
2634 sdomake = (!dryrun || doinclude || domake) && !dotouch;
2635 for (;;) {
2636 if (*q == '@') // Specific silent
2637 ssilent = TRUE + 1;
2638 else if (*q == '-') // Specific ignore
2639 signore = TRUE;
2640 else if (*q == '+') // Specific domake
2641 sdomake = TRUE + 1;
2642 else
2643 break;
2644 do {
2645 q++;
2646 } while (isblank(*q));
2647 }
2648
2649 if (sdomake > TRUE) {
2650 // '+' must not override '@' or .SILENT
2651 if (ssilent != TRUE + 1 && !(np->n_flag & N_SILENT))
2652 ssilent = FALSE;
2653 } else if (!sdomake)
2654 ssilent = dotouch;
2655
2656 if (!ssilent && *q != '\0') { // Ignore empty commands
2657 puts(q);
2658 fflush_all();
2659 }
2660
2661 if (quest && sdomake != TRUE + 1) {
2662 // MAKE_FAILURE means rebuild is needed
2663 estat |= MAKE_FAILURE | MAKE_DIDSOMETHING;
2664 continue;
2665 }
2666
2667 if (sdomake && *q != '\0') { // Ignore empty commands
2668 // Get the shell to execute it
2669 int status;
2670 char *cmd = !signore && posix ? auto_concat("set -e;", q) : q;
2671
2672 target = np;
2673 status = system(cmd);
2674 // If this command was being run to create an include file
2675 // or bring it up-to-date errors should be ignored and a
2676 // failure status returned.
2677 if (status == -1 && !doinclude) {
2678 error("couldn't execute '%s'", q);
2679 } else if (status != 0 && !signore) {
2680 if (!posix && WIFSIGNALED(status))
2681 remove_target();
2682 if (doinclude) {
2683 warning("failed to build '%s'", np->n_name);
2684 } else {
2685 const char *err_type = NULL;
2686 int err_value = 1;
2687
2688 if (WIFEXITED(status)) {
2689 err_type = "exit";
2690 err_value = WEXITSTATUS(status);
2691 } else if (WIFSIGNALED(status)) {
2692 err_type = "signal";
2693 err_value = WTERMSIG(status);
2694 }
2695
2696 if (!quest || err_value == 127) {
2697 if (err_type)
2698 diagnostic("failed to build '%s' %s %d",
2699 np->n_name, err_type, err_value);
2700 else
2701 diagnostic("failed to build '%s'", np->n_name);
2702 }
2703
2704 if (errcont) {
2705 estat |= MAKE_FAILURE;
2706 free(command);
2707 break;
2708 }
2709 exit(2);
2710 }
2711 }
2712 }
2713 if (sdomake || dryrun)
2714 estat = MAKE_DIDSOMETHING;
2715 free(command);
2716 }
2717
2718 if (dotouch && !(np->n_flag & N_PHONY) && !(estat & MAKE_DIDSOMETHING)) {
2719 touch(np);
2720 estat = MAKE_DIDSOMETHING;
2721 }
2722
2723 curr_cmd = NULL;
2724 return estat;
2725}
2726
2727/*
2728 * Remove the suffix from a name, either the one provided in 'tsuff'
2729 * or, if 'tsuff' is NULL, one of the known suffixes.
2730 */
2731static char *
2732remove_suffix(const char *name, const char *tsuff)
2733{
2734 char *base = NULL;
2735
2736 if (tsuff != NULL) {
2737 base = has_suffix(name, tsuff);
2738 } else {
2739 struct name *xp = newname(".SUFFIXES");
2740 for (struct rule *rp = xp->n_rule; rp; rp = rp->r_next) {
2741 for (struct depend *dp = rp->r_dep; dp; dp = dp->d_next) {
2742 base = has_suffix(name, dp->d_name->n_name);
2743 if (base) {
2744 return base;
2745 }
2746 }
2747 }
2748 }
2749 return base;
2750}
2751
2752static int
2753make1(struct name *np, struct cmd *cp, char *oodate, char *allsrc,
2754 char *dedup, struct name *implicit, const char *tsuff)
2755{
2756 char *name, *member = NULL, *base = NULL, *prereq = NULL;
2757
2758 name = splitlib(np->n_name, &member);
2759 setmacro("?", oodate, 0 | M_VALID);
2760 if (!POSIX_2017) {
2761 setmacro("+", allsrc, 0 | M_VALID);
2762 setmacro("^", dedup, 0 | M_VALID);
2763 }
2764 setmacro("%", member, 0 | M_VALID);
2765 setmacro("@", name, 0 | M_VALID);
2766 if (implicit || !posix) {
2767 char *s;
2768
2769 // As an extension, if we're not dealing with an implicit
2770 // prerequisite set $< to the first out-of-date prerequisite.
2771 if (implicit == NULL) {
2772 if (oodate) {
2773 s = strchr(oodate, ' ');
2774 if (s)
2775 *s = '\0';
2776 prereq = oodate;
2777 }
2778 } else
2779 prereq = implicit->n_name;
2780
2781 if (!posix && member == NULL) {
2782 // As an extension remove a suffix that doesn't necessarily
2783 // start with a period from a target, but not for targets
2784 // of the form lib.a(member.o).
2785 base = remove_suffix(name, tsuff);
2786 if (base) {
2787 free(name);
2788 name = base;
2789 }
2790 } else {
2791 base = member ? member : name;
2792 s = suffix(base);
2793 // As an extension, if we're not dealing with an implicit
2794 // prerequisite and the target ends with a known suffix,
2795 // remove it and set $* to the stem, else to an empty string.
2796 if (implicit == NULL && !is_suffix(s))
2797 base = NULL;
2798 else
2799 *s = '\0';
2800 }
2801 }
2802 setmacro("<", prereq, 0 | M_VALID);
2803 setmacro("*", base, 0 | M_VALID);
2804 free(name);
2805
2806 return docmds(np, cp);
2807}
2808
2809/*
2810 * Determine if the modification time of a target, t, is less than
2811 * that of a prerequisite, p. If the tv_nsec member of either is
2812 * exactly 0 we assume (possibly incorrectly) that the time resolution
2813 * is 1 second and only compare tv_sec values.
2814 */
2815static int
2816timespec_le(const struct timespec *t, const struct timespec *p)
2817{
2818 if (t->tv_nsec == 0 || p->tv_nsec == 0)
2819 return t->tv_sec <= p->tv_sec;
2820 else if (t->tv_sec < p->tv_sec)
2821 return TRUE;
2822 else if (t->tv_sec == p->tv_sec)
2823 return t->tv_nsec <= p->tv_nsec;
2824 return FALSE;
2825}
2826
2827/*
2828 * Return the greater of two struct timespecs
2829 */
2830static const struct timespec *
2831timespec_max(const struct timespec *t, const struct timespec *p)
2832{
2833 return timespec_le(t, p) ? p : t;
2834}
2835
2836/*
2837 * Recursive routine to make a target.
2838 */
2839static int
2840make(struct name *np, int level)
2841{
2842 struct depend *dp;
2843 struct rule *rp;
2844 struct name *impdep = NULL; // implicit prerequisite
2845 struct rule infrule;
2846 struct cmd *sc_cmd = NULL; // commands for single-colon rule
2847 char *oodate = NULL;
2848 char *allsrc = NULL;
2849 char *dedup = NULL;
2850 const char *tsuff = NULL;
2851 struct timespec dtim = {1, 0};
2852 int estat = 0;
2853
2854 if (np->n_flag & N_DONE)
2855 return 0;
2856 if (np->n_flag & N_DOING)
2857 error("circular dependency for %s", np->n_name);
2858 np->n_flag |= N_DOING;
2859
2860 if (!np->n_tim.tv_sec)
2861 modtime(np); // Get modtime of this file
2862
2863 if (!(np->n_flag & N_DOUBLE)) {
2864 // Find the commands needed for a single-colon rule, using
2865 // an inference rule or .DEFAULT rule if necessary (but,
2866 // as an extension, not for phony targets)
2867 sc_cmd = getcmd(np);
2868 if (!sc_cmd && (posix || !(np->n_flag & N_PHONY))) {
2869 impdep = dyndep(np, &infrule, &tsuff);
2870 if (impdep) {
2871 sc_cmd = infrule.r_cmd;
2872 addrule(np, infrule.r_dep, NULL, FALSE);
2873 }
2874 }
2875
2876 // As a last resort check for a default rule
2877 if (!(np->n_flag & N_TARGET) && np->n_tim.tv_sec == 0) {
2878 if (posix || !(np->n_flag & N_PHONY))
2879 sc_cmd = getcmd(findname(".DEFAULT"));
2880 if (!sc_cmd) {
2881 if (doinclude)
2882 return 1;
2883 error("don't know how to make %s", np->n_name);
2884 }
2885 impdep = np;
2886 }
2887 } else {
2888 // If any double-colon rule has no commands we need
2889 // an inference rule.
2890 for (rp = np->n_rule; rp; rp = rp->r_next) {
2891 if (!rp->r_cmd) {
2892 // Phony targets don't need an inference rule.
2893 if (!posix && (np->n_flag & N_PHONY))
2894 continue;
2895 impdep = dyndep(np, &infrule, &tsuff);
2896 if (!impdep) {
2897 if (doinclude)
2898 return 1;
2899 error("don't know how to make %s", np->n_name);
2900 }
2901 break;
2902 }
2903 }
2904 }
2905
2906 // Reset flag to detect duplicate prerequisites
2907 if (!(np->n_flag & N_DOUBLE)) {
2908 for (rp = np->n_rule; rp; rp = rp->r_next) {
2909 for (dp = rp->r_dep; dp; dp = dp->d_next) {
2910 dp->d_name->n_flag &= ~N_MARK;
2911 }
2912 }
2913 }
2914
2915 for (rp = np->n_rule; rp; rp = rp->r_next) {
2916 struct name *locdep = NULL;
2917
2918 // Each double-colon rule is handled separately.
2919 if ((np->n_flag & N_DOUBLE)) {
2920 // If the rule has no commands use the inference rule.
2921 // Unless there isn't one, as allowed for phony targets.
2922 if (!rp->r_cmd) {
2923 if (impdep) {
2924 locdep = impdep;
2925 infrule.r_dep->d_next = rp->r_dep;
2926 rp->r_dep = infrule.r_dep;
2927 rp->r_cmd = infrule.r_cmd;
2928 }
2929 }
2930 // A rule with no prerequisities is executed unconditionally.
2931 if (!rp->r_dep)
2932 dtim = np->n_tim;
2933 // Reset flag to detect duplicate prerequisites
2934 for (dp = rp->r_dep; dp; dp = dp->d_next) {
2935 dp->d_name->n_flag &= ~N_MARK;
2936 }
2937 }
2938 for (dp = rp->r_dep; dp; dp = dp->d_next) {
2939 // Make prerequisite
2940 estat |= make(dp->d_name, level + 1);
2941
2942 // Make strings of out-of-date prerequisites (for $?),
2943 // all prerequisites (for $+) and deduplicated prerequisites
2944 // (for $^).
2945 if (timespec_le(&np->n_tim, &dp->d_name->n_tim)) {
2946 if (posix || !(dp->d_name->n_flag & N_MARK))
2947 oodate = xappendword(oodate, dp->d_name->n_name);
2948 }
2949 allsrc = xappendword(allsrc, dp->d_name->n_name);
2950 if (!(dp->d_name->n_flag & N_MARK))
2951 dedup = xappendword(dedup, dp->d_name->n_name);
2952 dp->d_name->n_flag |= N_MARK;
2953 dtim = *timespec_max(&dtim, &dp->d_name->n_tim);
2954 }
2955 if ((np->n_flag & N_DOUBLE)) {
2956 if (((np->n_flag & N_PHONY) || timespec_le(&np->n_tim, &dtim))) {
2957 if (!(estat & MAKE_FAILURE)) {
2958 estat |= make1(np, rp->r_cmd, oodate, allsrc,
2959 dedup, locdep, tsuff);
2960 dtim = (struct timespec){1, 0};
2961 }
2962 free(oodate);
2963 oodate = NULL;
2964 }
2965 free(allsrc);
2966 free(dedup);
2967 allsrc = dedup = NULL;
2968 if (locdep) {
2969 rp->r_dep = rp->r_dep->d_next;
2970 rp->r_cmd = NULL;
2971 }
2972 }
2973 }
2974 if ((np->n_flag & N_DOUBLE) && impdep)
2975 free(infrule.r_dep);
2976
2977 np->n_flag |= N_DONE;
2978 np->n_flag &= ~N_DOING;
2979
2980 if (!(np->n_flag & N_DOUBLE) &&
2981 ((np->n_flag & N_PHONY) || (timespec_le(&np->n_tim, &dtim)))) {
2982 if (!(estat & MAKE_FAILURE)) {
2983 if (sc_cmd)
2984 estat |= make1(np, sc_cmd, oodate, allsrc, dedup,
2985 impdep, tsuff);
2986 else if (!doinclude && level == 0 && !(estat & MAKE_DIDSOMETHING))
2987 warning("nothing to be done for %s", np->n_name);
2988 } else if (!doinclude && !quest) {
2989 diagnostic("'%s' not built due to errors", np->n_name);
2990 }
2991 free(oodate);
2992 }
2993
2994 if (estat & MAKE_DIDSOMETHING) {
2995 modtime(np);
2996 if (!np->n_tim.tv_sec)
2997 clock_gettime(CLOCK_REALTIME, &np->n_tim);
2998 } else if (!quest && level == 0 && !timespec_le(&np->n_tim, &dtim))
2999 printf("%s: '%s' is up to date\n", applet_name, np->n_name);
3000
3001 free(allsrc);
3002 free(dedup);
3003 return estat;
3004}
3005
3006/*
3007 * Check structures for make.
3008 */
3009
3010static void
3011print_name(struct name *np)
3012{
3013 if (np == firstname)
3014 printf("# default target\n");
3015 printf("%s:", np->n_name);
3016 if ((np->n_flag & N_DOUBLE))
3017 putchar(':');
3018}
3019
3020static void
3021print_prerequisites(struct rule *rp)
3022{
3023 struct depend *dp;
3024
3025 for (dp = rp->r_dep; dp; dp = dp->d_next)
3026 printf(" %s", dp->d_name->n_name);
3027}
3028
3029static void
3030print_commands(struct rule *rp)
3031{
3032 struct cmd *cp;
3033
3034 for (cp = rp->r_cmd; cp; cp = cp->c_next)
3035 printf("\t%s\n", cp->c_cmd);
3036}
3037
3038static void
3039print_details(void)
3040{
3041 int i;
3042 struct macro *mp;
3043 struct name *np;
3044 struct rule *rp;
3045
3046 for (i = 0; i < HTABSIZE; i++)
3047 for (mp = macrohead[i]; mp; mp = mp->m_next)
3048 printf("%s = %s\n", mp->m_name, mp->m_val);
3049 putchar('\n');
3050
3051 for (i = 0; i < HTABSIZE; i++) {
3052 for (np = namehead[i]; np; np = np->n_next) {
3053 if (!(np->n_flag & N_DOUBLE)) {
3054 print_name(np);
3055 for (rp = np->n_rule; rp; rp = rp->r_next) {
3056 print_prerequisites(rp);
3057 }
3058 putchar('\n');
3059
3060 for (rp = np->n_rule; rp; rp = rp->r_next) {
3061 print_commands(rp);
3062 }
3063 putchar('\n');
3064 } else {
3065 for (rp = np->n_rule; rp; rp = rp->r_next) {
3066 print_name(np);
3067 print_prerequisites(rp);
3068 putchar('\n');
3069
3070 print_commands(rp);
3071 putchar('\n');
3072 }
3073 }
3074 }
3075 }
3076}
3077
3078/*
3079 * Process options from an argv array. If from_env is non-zero we're
3080 * handling options from MAKEFLAGS so skip '-C', '-f', '-p' and '-x'.
3081 */
3082static uint32_t
3083process_options(char **argv, int from_env)
3084{
3085 uint32_t flags;
3086
3087 flags = getopt32(argv, "^" OPTSTR1 OPTSTR2 "\0k-S:S-k",
3088 &numjobs, &makefiles, &dirs
3089 IF_FEATURE_MAKE_POSIX(, &pragmas));
3090 if (from_env && (flags & (OPT_C | OPT_f | OPT_p | OPT_x)))
3091 error("invalid MAKEFLAGS");
3092 if (posix && (flags & OPT_C))
3093 error("-C not allowed");
3094
3095 return flags;
3096}
3097
3098/*
3099 * Split the contents of MAKEFLAGS into an argv array. If the return
3100 * value (call it fargv) isn't NULL the caller should free fargv[1] and
3101 * fargv.
3102 */
3103static char **
3104expand_makeflags(void)
3105{
3106 const char *m, *makeflags = getenv("MAKEFLAGS");
3107 char *p, *argstr;
3108 int argc;
3109 char **argv;
3110
3111 if (makeflags == NULL)
3112 return NULL;
3113
3114 while (isblank(*makeflags))
3115 makeflags++;
3116
3117 if (*makeflags == '\0')
3118 return NULL;
3119
3120 p = argstr = xzalloc(strlen(makeflags) + 2);
3121
3122 // If MAKEFLAGS doesn't start with a hyphen, doesn't look like
3123 // a macro definition and only contains valid option characters,
3124 // add a hyphen.
3125 argc = 3;
3126 if (makeflags[0] != '-' && strchr(makeflags, '=') == NULL) {
3127 if (strspn(makeflags, OPTSTR1) != strlen(makeflags))
3128 error("invalid MAKEFLAGS");
3129 *p++ = '-';
3130 } else {
3131 // MAKEFLAGS may need to be split, estimate size of argv array.
3132 for (m = makeflags; *m; ++m) {
3133 if (isblank(*m))
3134 argc++;
3135 }
3136 }
3137
3138 argv = xzalloc(argc * sizeof(char *));
3139 argc = 0;
3140 argv[argc++] = (char *)applet_name;
3141 argv[argc++] = argstr;
3142
3143 // Copy MAKEFLAGS into argstr, splitting at non-escaped blanks.
3144 m = makeflags;
3145 do {
3146 if (*m == '\\' && m[1] != '\0')
3147 m++; // Skip backslash, copy next character unconditionally.
3148 else if (isblank(*m)) {
3149 // Terminate current argument and start a new one.
3150 /* *p = '\0'; - xzalloc did it */
3151 argv[argc++] = ++p;
3152 do {
3153 m++;
3154 } while (isblank(*m));
3155 continue;
3156 }
3157 *p++ = *m++;
3158 } while (*m != '\0');
3159 /* *p = '\0'; - xzalloc did it */
3160 /* argv[argc] = NULL; - and this */
3161
3162 return argv;
3163}
3164
3165// These macros require special treatment
3166#define SPECIAL_MACROS "MAKEFLAGS\0SHELL\0CURDIR\0"
3167#define MAKEFLAGS 0
3168#define SHELL 1
3169#define CURDIR 2
3170
3171/*
3172 * Instantiate all macros in an argv-style array of pointers. Stop
3173 * processing at the first string that doesn't contain an equal sign.
3174 * As an extension, target arguments on the command line (level 1)
3175 * are skipped and will be processed later.
3176 */
3177static char **
3178process_macros(char **argv, int level)
3179{
3180 char *equal;
3181
3182 for (; *argv; argv++) {
3183 char *colon = NULL;
3184 int idx, immediate = 0;
3185 int except_dollar = FALSE;
3186
3187 if (!(equal = strchr(*argv, '='))) {
3188 // Skip targets on the command line
3189 if (!posix && level == 1)
3190 continue;
3191 else
3192 // Stop at first target
3193 break;
3194 }
3195
3196 if (equal - 1 > *argv && equal[-1] == ':') {
3197 if (equal - 2 > *argv && equal[-2] == ':') {
3198 if (POSIX_2017)
3199 error("invalid macro assignment");
3200 if (equal - 3 > *argv && equal[-3] == ':') {
3201 // BSD-style ':='. Expand RHS, but not '$$',
3202 // resulting macro is delayed expansion.
3203 colon = equal - 3;
3204 except_dollar = TRUE;
3205 } else {
3206 // GNU-style ':='. Expand RHS, including '$$',
3207 // resulting macro is immediate expansion.
3208 colon = equal - 2;
3209 immediate = M_IMMEDIATE;
3210 }
3211 *colon = '\0';
3212 } else {
3213 if (posix)
3214 error("invalid macro assignment");
3215 colon = equal - 1;
3216 immediate = M_IMMEDIATE;
3217 *colon = '\0';
3218 }
3219 } else
3220 *equal = '\0';
3221
3222 /* We want to process _most_ macro assignments.
3223 * There are exceptions for particular values from the
3224 * environment. */
3225 idx = index_in_strings(SPECIAL_MACROS, *argv);
3226 if (!((level & M_ENVIRON) &&
3227 (idx == MAKEFLAGS || idx == SHELL ||
3228 (idx == CURDIR && !useenv && !POSIX_2017)))) {
3229 if (colon) {
3230 char *exp = expand_macros(equal + 1, except_dollar);
3231 setmacro(*argv, exp, level | immediate);
3232 free(exp);
3233 } else
3234 setmacro(*argv, equal + 1, level);
3235 }
3236
3237 if (colon)
3238 *colon = ':';
3239 else
3240 *equal = '=';
3241 }
3242 return argv;
3243}
3244
3245/*
3246 * Update the MAKEFLAGS macro and environment variable to include any
3247 * command line options that don't have their default value (apart from
3248 * -f, -p and -S). Also add any macros defined on the command line or
3249 * by the MAKEFLAGS environment variable (apart from MAKEFLAGS itself).
3250 * Add macros that were defined on the command line to the environment.
3251 */
3252static void
3253update_makeflags(void)
3254{
3255 int i;
3256 char optbuf[] = "-?";
3257 char *makeflags = NULL;
3258 char *macro, *s;
3259 const char *t;
3260 struct macro *mp;
3261
3262 t = OPTSTR1;
3263 for (i = 0; *t; t++) {
3264 if (*t == ':' || *t == '+')
3265 continue;
3266 if ((opts & OPT_MASK & (1 << i))) {
3267 optbuf[1] = *t;
3268 makeflags = xappendword(makeflags, optbuf);
3269 if (*t == 'j') {
3270 s = auto_string(xasprintf("%d", numjobs));
3271 makeflags = xappendword(makeflags, s);
3272 }
3273 }
3274 i++;
3275 }
3276
3277 for (i = 0; i < HTABSIZE; ++i) {
3278 for (mp = macrohead[i]; mp; mp = mp->m_next) {
3279 if (mp->m_level == 1 || mp->m_level == 2) {
3280 int idx = index_in_strings(SPECIAL_MACROS, mp->m_name);
3281 if (idx == MAKEFLAGS)
3282 continue;
3283 macro = xzalloc(strlen(mp->m_name) + 2 * strlen(mp->m_val) + 1);
3284 s = stpcpy(macro, mp->m_name);
3285 *s++ = '=';
3286 for (t = mp->m_val; *t; t++) {
3287 if (*t == '\\' || isblank(*t))
3288 *s++ = '\\';
3289 *s++ = *t;
3290 }
3291 /* *s = '\0'; - xzalloc did it */
3292
3293 makeflags = xappendword(makeflags, macro);
3294 free(macro);
3295
3296 // Add command line macro definitions to the environment
3297 if (mp->m_level == 1 && idx != SHELL)
3298 setenv(mp->m_name, mp->m_val, 1);
3299 }
3300 }
3301 }
3302
3303 if (makeflags) {
3304 setmacro("MAKEFLAGS", makeflags, 0);
3305 setenv("MAKEFLAGS", makeflags, 1);
3306 free(makeflags);
3307 }
3308}
3309
3310#if !ENABLE_PLATFORM_MINGW32
3311static void
3312make_handler(int sig)
3313{
3314 signal(sig, SIG_DFL);
3315 remove_target();
3316 kill(getpid(), sig);
3317}
3318
3319static void
3320init_signal(int sig)
3321{
3322 struct sigaction sa, new_action;
3323
3324 sigemptyset(&new_action.sa_mask);
3325 new_action.sa_flags = 0;
3326 new_action.sa_handler = make_handler;
3327
3328 sigaction(sig, NULL, &sa);
3329 if (sa.sa_handler != SIG_IGN)
3330 sigaction_set(sig, &new_action);
3331}
3332#endif
3333
3334/*
3335 * If the global option flag associated with a special target hasn't
3336 * been set mark all prerequisites of the target with a flag. If the
3337 * target had no prerequisites set the global option flag.
3338 */
3339static void
3340mark_special(const char *special, uint32_t oflag, uint16_t nflag)
3341{
3342 struct name *np;
3343 struct rule *rp;
3344 struct depend *dp;
3345 int marked = FALSE;
3346
3347 if (!(opts & oflag) && (np = findname(special))) {
3348 for (rp = np->n_rule; rp; rp = rp->r_next) {
3349 for (dp = rp->r_dep; dp; dp = dp->d_next) {
3350 dp->d_name->n_flag |= nflag;
3351 marked = TRUE;
3352 }
3353 }
3354
3355 if (!marked)
3356 opts |= oflag;
3357 }
3358}
3359
3360int make_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
3361int make_main(int argc UNUSED_PARAM, char **argv)
3362{
3363 const char *path, *newpath = NULL;
3364 char **fargv, **fargv0;
3365 const char *dir, *file;
3366#if ENABLE_FEATURE_MAKE_POSIX
3367 const char *prag;
3368#endif
3369 int estat;
3370 bool found_target;
3371 FILE *ifd;
3372
3373 INIT_G();
3374
3375#if ENABLE_FEATURE_MAKE_POSIX
3376 if (argv[1] && strcmp(argv[1], "--posix") == 0) {
3377 argv[1] = argv[0];
3378 ++argv;
3379 --argc;
3380 setenv("PDPMAKE_POSIXLY_CORRECT", "", 1);
3381 posix = TRUE;
3382 } else {
3383 posix = getenv("PDPMAKE_POSIXLY_CORRECT") != NULL;
3384 }
3385 posix_level = DEFAULT_POSIX_LEVEL;
3386 pragmas_from_env();
3387#endif
3388
3389 if (!POSIX_2017) {
3390 path = argv[0];
3391#if ENABLE_PLATFORM_MINGW32
3392 if (has_path(argv[0])) {
3393 // Add extension if necessary, else realpath() will fail
3394 char *p = alloc_ext_space(argv[0]);
3395 add_win32_extension(p);
3396 path = newpath = xmalloc_realpath(p);
3397 free(p);
3398 if (!path) {
3399 if (unix_path(argv[0]))
3400 path = argv[0];
3401 else
3402 bb_perror_msg("can't resolve path for %s", argv[0]);
3403 }
3404 }
3405#else
3406 if (argv[0][0] != '/' && strchr(argv[0], '/')) {
3407 // Make relative path absolute
3408 path = newpath = realpath(argv[0], NULL);
3409 if (!path) {
3410 bb_perror_msg("can't resolve path for %s", argv[0]);
3411 }
3412 }
3413#endif
3414 } else {
3415 path = "make";
3416 }
3417
3418 // Process options from MAKEFLAGS
3419 fargv = fargv0 = expand_makeflags();
3420 if (fargv0) {
3421 opts = process_options(fargv, TRUE);
3422 fargv = fargv0 + optind;
3423 // Reset getopt(3) so we can call it again
3424 GETOPT_RESET();
3425 }
3426
3427 // Process options from the command line
3428 opts |= process_options(argv, FALSE);
3429 argv += optind;
3430
3431 while ((dir = llist_pop(&dirs))) {
3432 if (chdir(dir) == -1) {
3433 bb_perror_msg("can't chdir to %s", dir);
3434 }
3435 }
3436
3437#if ENABLE_FEATURE_MAKE_POSIX
3438 while ((prag = llist_pop(&pragmas)))
3439 set_pragma(prag);
3440 pragmas_to_env();
3441#endif
3442
3443#if !ENABLE_PLATFORM_MINGW32
3444 init_signal(SIGHUP);
3445 init_signal(SIGTERM);
3446#endif
3447
3448 setmacro("$", "$", 0 | M_VALID);
3449
3450 // Process macro definitions from the command line
3451 if (!posix)
3452 process_macros(argv, 1);
3453 else
3454 // In POSIX mode macros must appear before targets.
3455 // argv should now point to targets only.
3456 argv = process_macros(argv, 1);
3457
3458 // Process macro definitions from MAKEFLAGS
3459 if (fargv) {
3460 process_macros(fargv, 2);
3461 free(fargv0[1]);
3462 free(fargv0);
3463 }
3464
3465 // Process macro definitions from the environment
3466 process_macros(environ, 3 | M_ENVIRON);
3467
3468 // Update MAKEFLAGS and environment
3469 update_makeflags();
3470
3471 // Read built-in rules
3472 input(NULL, 0);
3473
3474 setmacro("SHELL", DEFAULT_SHELL, 4);
3475 setmacro("MAKE", path, 4);
3476 if (!POSIX_2017) {
3477 char *cwd = xrealloc_getcwd_or_warn(NULL);
3478
3479 if (cwd) {
3480 if (!useenv) {
3481 // Export cwd to environment, if necessary
3482 char *envcwd = getenv("CURDIR");
3483 if (envcwd && strcmp(cwd, envcwd) != 0)
3484 setenv("CURDIR", cwd, 1);
3485 }
3486 setmacro("CURDIR", cwd, 4);
3487 }
3488 free(cwd);
3489 }
3490 free((void *)newpath);
3491
3492 if (!makefiles) { // Look for a default Makefile
3493 if (!posix && (ifd = fopen("PDPmakefile", "r")) != NULL)
3494 makefile = "PDPmakefile";
3495 else if ((ifd = fopen("PDPmakefile" + 3, "r")) != NULL)
3496 makefile = "PDPmakefile" + 3;
3497#if !ENABLE_PLATFORM_MINGW32
3498 else if ((ifd = fopen("Makefile", "r")) != NULL)
3499 makefile = "Makefile";
3500#endif
3501 else
3502 error("no makefile found");
3503 goto read_makefile;
3504 }
3505
3506 while ((file = llist_pop(&makefiles))) {
3507 if (strcmp(file, "-") == 0) { // Can use stdin as makefile
3508 ifd = stdin;
3509 makefile = "stdin";
3510 } else {
3511 ifd = xfopen_for_read(file);
3512 makefile = file;
3513 }
3514 read_makefile:
3515 input(ifd, 0);
3516 fclose(ifd);
3517 makefile = NULL;
3518 }
3519
3520 if (print)
3521 print_details();
3522
3523 mark_special(".SILENT", OPT_s, N_SILENT);
3524 mark_special(".IGNORE", OPT_i, N_IGNORE);
3525 mark_special(".PRECIOUS", OPT_precious, N_PRECIOUS);
3526 if (!POSIX_2017)
3527 mark_special(".PHONY", OPT_phony, N_PHONY);
3528
3529 if (posix) {
3530 // In POSIX mode only targets should now be in argv.
3531 found_target = FALSE;
3532 for (char **a = argv; *a; a++) {
3533 if (!strchr(*a, '='))
3534 found_target = TRUE;
3535 else if (found_target)
3536 error("macro assignments must precede targets");
3537 }
3538 }
3539
3540 estat = 0;
3541 found_target = FALSE;
3542 for (; *argv; argv++) {
3543 // Skip macro assignments.
3544 if (strchr(*argv, '='))
3545 continue;
3546 found_target = TRUE;
3547 estat |= make(newname(*argv), 0);
3548 }
3549 if (!found_target) {
3550 if (!firstname)
3551 error("no targets defined");
3552 estat = make(firstname, 0);
3553 }
3554
3555#if ENABLE_FEATURE_CLEAN_UP
3556 freenames();
3557 freemacros();
3558 llist_free(makefiles, NULL);
3559 llist_free(dirs, NULL);
3560#endif
3561
3562 return estat & MAKE_FAILURE;
3563}
diff --git a/miscutils/man.c b/miscutils/man.c
index 6fa1fbfdc..38c1b9aa3 100644
--- a/miscutils/man.c
+++ b/miscutils/man.c
@@ -199,8 +199,7 @@ static char **add_MANPATH(char **man_path_list, int *count_mp, char *path)
199 if (path) while (*path) { 199 if (path) while (*path) {
200 char *next_path; 200 char *next_path;
201 char **path_element; 201 char **path_element;
202 202 next_path = strchr(path, PATH_SEP);
203 next_path = strchr(path, ':');
204 if (next_path) { 203 if (next_path) {
205 if (next_path == path) /* "::"? */ 204 if (next_path == path) /* "::"? */
206 goto next; 205 goto next;
@@ -223,7 +222,7 @@ static char **add_MANPATH(char **man_path_list, int *count_mp, char *path)
223 if (!next_path) 222 if (!next_path)
224 break; 223 break;
225 /* "path" may be a result of getenv(), be nice and don't mangle it */ 224 /* "path" may be a result of getenv(), be nice and don't mangle it */
226 *next_path = ':'; 225 *next_path = PATH_SEP;
227 next: 226 next:
228 path = next_path + 1; 227 path = next_path + 1;
229 } 228 }
@@ -260,11 +259,24 @@ int man_main(int argc UNUSED_PARAM, char **argv)
260 int count_mp; 259 int count_mp;
261 int opt, not_found; 260 int opt, not_found;
262 char *token[2]; 261 char *token[2];
262#if ENABLE_PLATFORM_MINGW32
263 char **ptr;
264 char *relpath;
265 const char *mpl[] = { "/usr/man", "/usr/share/man", NULL, NULL };
266#endif
263 267
264 INIT_G(); 268 INIT_G();
265 269
266 opt = getopt32(argv, "^+" "aw" "\0" "-1"/*at least one arg*/); 270 opt = getopt32(argv, "^+" "aw" "\0" "-1"/*at least one arg*/);
267 argv += optind; 271 argv += optind;
272#if ENABLE_PLATFORM_MINGW32
273 /* add system drive prefix to filenames, if necessary */
274 for (ptr = argv; *ptr; ++ptr) {
275 if (strchr(*ptr, '/') || strchr(*ptr, '\\'))
276 *ptr = xabsolute_path(*ptr);
277 }
278 chdir_system_drive();
279#endif
268 280
269 conf_sec_list = xstrdup("0p:1:1p:2:3:3p:4:5:6:7:8:9"); 281 conf_sec_list = xstrdup("0p:1:1p:2:3:3p:4:5:6:7:8:9");
270 282
@@ -302,11 +314,24 @@ int man_main(int argc UNUSED_PARAM, char **argv)
302 } 314 }
303 config_close(parser); 315 config_close(parser);
304 316
317#if ENABLE_PLATFORM_MINGW32
318 /* allow man pages to be stored relative to the executable */
319 relpath = exe_relative_path("man");
320
321 if (!man_path_list) {
322 mpl[2] = relpath;
323 man_path_list = (char**)mpl;
324 }
325 else {
326 man_path_list = add_MANPATH(man_path_list, &count_mp, relpath);
327 }
328#else
305 if (!man_path_list) { 329 if (!man_path_list) {
306 static const char *const mpl[] ALIGN_PTR = { "/usr/man", "/usr/share/man", NULL }; 330 static const char *const mpl[] ALIGN_PTR = { "/usr/man", "/usr/share/man", NULL };
307 man_path_list = (char**)mpl; 331 man_path_list = (char**)mpl;
308 /*count_mp = 2; - not used below anyway */ 332 /*count_mp = 2; - not used below anyway */
309 } 333 }
334#endif
310 335
311 { 336 {
312 /* environment overrides setting from man.config */ 337 /* environment overrides setting from man.config */
diff --git a/miscutils/time.c b/miscutils/time.c
index 77d35a832..9a1039be9 100644
--- a/miscutils/time.c
+++ b/miscutils/time.c
@@ -22,10 +22,17 @@
22//kbuild:lib-$(CONFIG_TIME) += time.o 22//kbuild:lib-$(CONFIG_TIME) += time.o
23 23
24//usage:#define time_trivial_usage 24//usage:#define time_trivial_usage
25//usage: IF_NOT_PLATFORM_MINGW32(
25//usage: "[-vpa] [-o FILE] PROG ARGS" 26//usage: "[-vpa] [-o FILE] PROG ARGS"
27//usage: )
28//usage: IF_PLATFORM_MINGW32(
29//usage: "[-pa] [-f FMT] [-o FILE] PROG ARGS"
30//usage: )
26//usage:#define time_full_usage "\n\n" 31//usage:#define time_full_usage "\n\n"
27//usage: "Run PROG, display resource usage when it exits\n" 32//usage: "Run PROG, display resource usage when it exits\n"
33//usage: IF_NOT_PLATFORM_MINGW32(
28//usage: "\n -v Verbose" 34//usage: "\n -v Verbose"
35//usage: )
29//usage: "\n -p POSIX output format" 36//usage: "\n -p POSIX output format"
30//usage: "\n -f FMT Custom format" 37//usage: "\n -f FMT Custom format"
31//usage: "\n -o FILE Write result to FILE" 38//usage: "\n -o FILE Write result to FILE"
@@ -57,6 +64,7 @@ static const char default_format[] ALIGN1 = "real\t%E\nuser\t%u\nsys\t%T";
57/* The output format for the -p option .*/ 64/* The output format for the -p option .*/
58static const char posix_format[] ALIGN1 = "real %e\nuser %U\nsys %S"; 65static const char posix_format[] ALIGN1 = "real %e\nuser %U\nsys %S";
59 66
67#if !ENABLE_PLATFORM_MINGW32
60/* Format string for printing all statistics verbosely. 68/* Format string for printing all statistics verbosely.
61 Keep this output to 24 lines so users on terminals can see it all.*/ 69 Keep this output to 24 lines so users on terminals can see it all.*/
62static const char long_format[] ALIGN1 = 70static const char long_format[] ALIGN1 =
@@ -83,6 +91,7 @@ static const char long_format[] ALIGN1 =
83 "\tSignals delivered: %k\n" 91 "\tSignals delivered: %k\n"
84 "\tPage size (bytes): %Z\n" 92 "\tPage size (bytes): %Z\n"
85 "\tExit status: %x"; 93 "\tExit status: %x";
94#endif
86 95
87/* Wait for and fill in data on child process PID. 96/* Wait for and fill in data on child process PID.
88 Return 0 on error, 1 if ok. */ 97 Return 0 on error, 1 if ok. */
@@ -93,7 +102,11 @@ static void resuse_end(pid_t pid, resource_t *resp)
93 102
94 /* Ignore signals, but don't ignore the children. When wait3 103 /* Ignore signals, but don't ignore the children. When wait3
95 * returns the child process, set the time the command finished. */ 104 * returns the child process, set the time the command finished. */
105#if !ENABLE_PLATFORM_MINGW32
96 while ((caught = wait3(&resp->waitstatus, 0, &resp->ru)) != pid) { 106 while ((caught = wait3(&resp->waitstatus, 0, &resp->ru)) != pid) {
107#else
108 while ((caught=mingw_wait3(pid, &resp->waitstatus, 0, &resp->ru)) != pid) {
109#endif
97 if (caught == -1 && errno != EINTR) { 110 if (caught == -1 && errno != EINTR) {
98 bb_simple_perror_msg("wait"); 111 bb_simple_perror_msg("wait");
99 return; 112 return;
@@ -189,9 +202,11 @@ static unsigned long ptok(const unsigned pagesize, const unsigned long pages)
189 202
190static void summarize(const char *fmt, char **command, resource_t *resp) 203static void summarize(const char *fmt, char **command, resource_t *resp)
191{ 204{
205#if !ENABLE_PLATFORM_MINGW32
192 unsigned vv_ms; /* Elapsed virtual (CPU) milliseconds */ 206 unsigned vv_ms; /* Elapsed virtual (CPU) milliseconds */
193 unsigned cpu_ticks; /* Same, in "CPU ticks" */ 207 unsigned cpu_ticks; /* Same, in "CPU ticks" */
194 unsigned pagesize = bb_getpagesize(); 208 unsigned pagesize = bb_getpagesize();
209#endif
195 210
196 /* Impossible: we do not use WUNTRACED flag in wait()... 211 /* Impossible: we do not use WUNTRACED flag in wait()...
197 if (WIFSTOPPED(resp->waitstatus)) 212 if (WIFSTOPPED(resp->waitstatus))
@@ -205,6 +220,7 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
205 printf("Command exited with non-zero status %u\n", 220 printf("Command exited with non-zero status %u\n",
206 WEXITSTATUS(resp->waitstatus)); 221 WEXITSTATUS(resp->waitstatus));
207 222
223#if !ENABLE_PLATFORM_MINGW32
208 vv_ms = (resp->ru.ru_utime.tv_sec + resp->ru.ru_stime.tv_sec) * 1000 224 vv_ms = (resp->ru.ru_utime.tv_sec + resp->ru.ru_stime.tv_sec) * 1000
209 + (resp->ru.ru_utime.tv_usec + resp->ru.ru_stime.tv_usec) / 1000; 225 + (resp->ru.ru_utime.tv_usec + resp->ru.ru_stime.tv_usec) / 1000;
210 226
@@ -215,6 +231,7 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
215 cpu_ticks = vv_ms * (unsigned long long)TICKS_PER_SEC / 1000; 231 cpu_ticks = vv_ms * (unsigned long long)TICKS_PER_SEC / 1000;
216#endif 232#endif
217 if (!cpu_ticks) cpu_ticks = 1; /* we divide by it, must be nonzero */ 233 if (!cpu_ticks) cpu_ticks = 1; /* we divide by it, must be nonzero */
234#endif
218 235
219 while (*fmt) { 236 while (*fmt) {
220 /* Handle leading literal part */ 237 /* Handle leading literal part */
@@ -242,6 +259,7 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
242 case 'C': /* The command that got timed. */ 259 case 'C': /* The command that got timed. */
243 printargv(command); 260 printargv(command);
244 break; 261 break;
262#if !ENABLE_PLATFORM_MINGW32
245 case 'D': /* Average unshared data size. */ 263 case 'D': /* Average unshared data size. */
246 /* (linux kernel sets ru_idrss/isrss/ixrss to 0, 264 /* (linux kernel sets ru_idrss/isrss/ixrss to 0,
247 * docs say the value is in kbytes, so ptok() is wrong) */ 265 * docs say the value is in kbytes, so ptok() is wrong) */
@@ -251,6 +269,7 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
251 ) / cpu_ticks 269 ) / cpu_ticks
252 ); 270 );
253 break; 271 break;
272#endif
254 case 'E': { /* Elapsed real (wall clock) time. */ 273 case 'E': { /* Elapsed real (wall clock) time. */
255 unsigned seconds = resp->elapsed_ms / 1000; 274 unsigned seconds = resp->elapsed_ms / 1000;
256 if (seconds >= 3600) /* One hour -> h:m:s. */ 275 if (seconds >= 3600) /* One hour -> h:m:s. */
@@ -265,6 +284,7 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
265 (unsigned)(resp->elapsed_ms / 10) % 100); 284 (unsigned)(resp->elapsed_ms / 10) % 100);
266 break; 285 break;
267 } 286 }
287#if !ENABLE_PLATFORM_MINGW32
268 case 'F': /* Major page faults. */ 288 case 'F': /* Major page faults. */
269 printf("%lu", resp->ru.ru_majflt); 289 printf("%lu", resp->ru.ru_majflt);
270 break; 290 break;
@@ -297,6 +317,7 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
297 case 'R': /* Minor page faults (reclaims). */ 317 case 'R': /* Minor page faults (reclaims). */
298 printf("%lu", resp->ru.ru_minflt); 318 printf("%lu", resp->ru.ru_minflt);
299 break; 319 break;
320#endif
300 case 'S': /* System time. */ 321 case 'S': /* System time. */
301 printf("%u.%02u", 322 printf("%u.%02u",
302 (unsigned)resp->ru.ru_stime.tv_sec, 323 (unsigned)resp->ru.ru_stime.tv_sec,
@@ -331,6 +352,7 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
331 (unsigned)(resp->ru.ru_utime.tv_sec % 60), 352 (unsigned)(resp->ru.ru_utime.tv_sec % 60),
332 (unsigned)(resp->ru.ru_utime.tv_usec / 10000)); 353 (unsigned)(resp->ru.ru_utime.tv_usec / 10000));
333 break; 354 break;
355#if !ENABLE_PLATFORM_MINGW32
334 case 'W': /* Times swapped out. */ 356 case 'W': /* Times swapped out. */
335 printf("%lu", resp->ru.ru_nswap); 357 printf("%lu", resp->ru.ru_nswap);
336 break; 358 break;
@@ -343,11 +365,13 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
343 case 'c': /* Involuntary context switches. */ 365 case 'c': /* Involuntary context switches. */
344 printf("%lu", resp->ru.ru_nivcsw); 366 printf("%lu", resp->ru.ru_nivcsw);
345 break; 367 break;
368#endif
346 case 'e': /* Elapsed real time in seconds. */ 369 case 'e': /* Elapsed real time in seconds. */
347 printf("%u.%02u", 370 printf("%u.%02u",
348 (unsigned)resp->elapsed_ms / 1000, 371 (unsigned)resp->elapsed_ms / 1000,
349 (unsigned)(resp->elapsed_ms / 10) % 100); 372 (unsigned)(resp->elapsed_ms / 10) % 100);
350 break; 373 break;
374#if !ENABLE_PLATFORM_MINGW32
351 case 'k': /* Signals delivered. */ 375 case 'k': /* Signals delivered. */
352 printf("%lu", resp->ru.ru_nsignals); 376 printf("%lu", resp->ru.ru_nsignals);
353 break; 377 break;
@@ -366,6 +390,7 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
366 case 'w': /* Voluntary context switches. */ 390 case 'w': /* Voluntary context switches. */
367 printf("%lu", resp->ru.ru_nvcsw); 391 printf("%lu", resp->ru.ru_nvcsw);
368 break; 392 break;
393#endif
369 case 'x': /* Exit status. */ 394 case 'x': /* Exit status. */
370 printf("%u", WEXITSTATUS(resp->waitstatus)); 395 printf("%u", WEXITSTATUS(resp->waitstatus));
371 break; 396 break;
@@ -409,6 +434,7 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
409static void run_command(char *const *cmd, resource_t *resp) 434static void run_command(char *const *cmd, resource_t *resp)
410{ 435{
411 pid_t pid; 436 pid_t pid;
437#if !ENABLE_PLATFORM_MINGW32
412 void (*interrupt_signal)(int); 438 void (*interrupt_signal)(int);
413 void (*quit_signal)(int); 439 void (*quit_signal)(int);
414 440
@@ -429,6 +455,13 @@ static void run_command(char *const *cmd, resource_t *resp)
429 /* Re-enable signals. */ 455 /* Re-enable signals. */
430 signal(SIGINT, interrupt_signal); 456 signal(SIGINT, interrupt_signal);
431 signal(SIGQUIT, quit_signal); 457 signal(SIGQUIT, quit_signal);
458#else
459 resp->elapsed_ms = monotonic_ms();
460 if ((pid=spawn((char **)cmd)) == -1)
461 bb_perror_msg_and_die("can't execute %s", cmd[0]);
462
463 resuse_end(pid, resp);
464#endif
432} 465}
433 466
434int time_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; 467int time_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
@@ -442,20 +475,35 @@ int time_main(int argc UNUSED_PARAM, char **argv)
442 int opt; 475 int opt;
443 int ex; 476 int ex;
444 enum { 477 enum {
478#if !ENABLE_PLATFORM_MINGW32
445 OPT_v = (1 << 0), 479 OPT_v = (1 << 0),
446 OPT_p = (1 << 1), 480 OPT_p = (1 << 1),
447 OPT_a = (1 << 2), 481 OPT_a = (1 << 2),
448 OPT_o = (1 << 3), 482 OPT_o = (1 << 3),
449 OPT_f = (1 << 4), 483 OPT_f = (1 << 4),
484#else
485 OPT_p = (1 << 0),
486 OPT_a = (1 << 1),
487 OPT_o = (1 << 2),
488 OPT_f = (1 << 3),
489#endif
450 }; 490 };
451 491
452 /* "+": stop on first non-option */ 492 /* "+": stop on first non-option */
493#if !ENABLE_PLATFORM_MINGW32
453 opt = getopt32(argv, "^+" "vpao:f:" "\0" "-1"/*at least one arg*/, 494 opt = getopt32(argv, "^+" "vpao:f:" "\0" "-1"/*at least one arg*/,
454 &output_filename, &output_format 495 &output_filename, &output_format
455 ); 496 );
497#else
498 opt = getopt32(argv, "^+" "pao:f:" "\0" "-1"/*at least one arg*/,
499 &output_filename, &output_format
500 );
501#endif
456 argv += optind; 502 argv += optind;
503#if !ENABLE_PLATFORM_MINGW32
457 if (opt & OPT_v) 504 if (opt & OPT_v)
458 output_format = long_format; 505 output_format = long_format;
506#endif
459 if (opt & OPT_p) 507 if (opt & OPT_p)
460 output_format = posix_format; 508 output_format = posix_format;
461 output_fd = STDERR_FILENO; 509 output_fd = STDERR_FILENO;
@@ -476,6 +524,9 @@ int time_main(int argc UNUSED_PARAM, char **argv)
476 524
477 /* Cheat. printf's are shorter :) */ 525 /* Cheat. printf's are shorter :) */
478 xdup2(output_fd, STDOUT_FILENO); 526 xdup2(output_fd, STDOUT_FILENO);
527#if ENABLE_PLATFORM_MINGW32
528 setvbuf(stdout, NULL, _IOFBF, 256);
529#endif
479 summarize(output_format, argv, &res); 530 summarize(output_format, argv, &res);
480 531
481 ex = WEXITSTATUS(res.waitstatus); 532 ex = WEXITSTATUS(res.waitstatus);
diff --git a/miscutils/ts.c b/miscutils/ts.c
index c5c1879df..fb669b858 100644
--- a/miscutils/ts.c
+++ b/miscutils/ts.c
@@ -25,6 +25,9 @@ int ts_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
25int ts_main(int argc UNUSED_PARAM, char **argv) 25int ts_main(int argc UNUSED_PARAM, char **argv)
26{ 26{
27 struct timeval base; 27 struct timeval base;
28#if ENABLE_PLATFORM_MINGW32
29 time_t t;
30#endif
28 unsigned opt; 31 unsigned opt;
29 char *frac; 32 char *frac;
30 char *fmt_dt2str; 33 char *fmt_dt2str;
@@ -73,7 +76,12 @@ int ts_main(int argc UNUSED_PARAM, char **argv)
73 if (opt & 1) /* -i */ 76 if (opt & 1) /* -i */
74 base = ts1; 77 base = ts1;
75 } 78 }
79#if ENABLE_PLATFORM_MINGW32
80 t = ts.tv_sec;
81 localtime_r(&t, &tm_time);
82#else
76 localtime_r(&ts.tv_sec, &tm_time); 83 localtime_r(&ts.tv_sec, &tm_time);
84#endif
77 strftime(date_buf, COMMON_BUFSIZE, fmt_dt2str, &tm_time); 85 strftime(date_buf, COMMON_BUFSIZE, fmt_dt2str, &tm_time);
78 if (!frac) { 86 if (!frac) {
79 printf("%s %s", date_buf, line); 87 printf("%s %s", date_buf, line);
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-11-23 09:04:38 +0000