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authorNguyễn Thái Ngọc Duy <pclouds@gmail.com>2010-09-14 13:08:20 +1000
committerNguyễn Thái Ngọc Duy <pclouds@gmail.com>2010-09-14 13:08:20 +1000
commit6a6efd31038d7afe977e3059508ae863e65cbdf5 (patch)
tree5cd69a751e893b83176751c80fcea7a7afeed1ae /shell/ash.c
parenta6a2325ecf402054132daae169f71edb0fb849e3 (diff)
parent29082231d0cb1a5b327de5d515b16f332d4dbdaf (diff)
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Merge branch 'origin/master' (early part)
Diffstat (limited to 'shell/ash.c')
-rw-r--r--shell/ash.c48
1 files changed, 23 insertions, 25 deletions
diff --git a/shell/ash.c b/shell/ash.c
index 5ac2a1922..e0b15e343 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -64,9 +64,7 @@
64# define CLEAR_RANDOM_T(rnd) ((void)0) 64# define CLEAR_RANDOM_T(rnd) ((void)0)
65#endif 65#endif
66 66
67#define SKIP_definitions 1 67#include "NUM_APPLETS.h"
68#include "applet_tables.h"
69#undef SKIP_definitions
70#if NUM_APPLETS == 1 68#if NUM_APPLETS == 1
71/* STANDALONE does not make sense, and won't compile */ 69/* STANDALONE does not make sense, and won't compile */
72# undef CONFIG_FEATURE_SH_STANDALONE 70# undef CONFIG_FEATURE_SH_STANDALONE
@@ -5216,7 +5214,7 @@ openredirect(union node *redir)
5216 break; 5214 break;
5217 case NFROMTO: 5215 case NFROMTO:
5218 fname = redir->nfile.expfname; 5216 fname = redir->nfile.expfname;
5219 f = open(fname, O_RDWR|O_CREAT|O_TRUNC, 0666); 5217 f = open(fname, O_RDWR|O_CREAT, 0666);
5220 if (f < 0) 5218 if (f < 0)
5221 goto ecreate; 5219 goto ecreate;
5222 break; 5220 break;
@@ -6507,8 +6505,7 @@ subevalvar(char *p, char *str, int strloc, int subtype,
6507 char *startp; 6505 char *startp;
6508 char *loc; 6506 char *loc;
6509 char *rmesc, *rmescend; 6507 char *rmesc, *rmescend;
6510 IF_ASH_BASH_COMPAT(char *repl = NULL;) 6508 IF_ASH_BASH_COMPAT(const char *repl = NULL;)
6511 IF_ASH_BASH_COMPAT(char null = '\0';)
6512 IF_ASH_BASH_COMPAT(int pos, len, orig_len;) 6509 IF_ASH_BASH_COMPAT(int pos, len, orig_len;)
6513 int saveherefd = herefd; 6510 int saveherefd = herefd;
6514 int amount, workloc, resetloc; 6511 int amount, workloc, resetloc;
@@ -6629,7 +6626,7 @@ subevalvar(char *p, char *str, int strloc, int subtype,
6629 if (!repl) { 6626 if (!repl) {
6630 repl = parse_sub_pattern(str, varflags & VSQUOTE); 6627 repl = parse_sub_pattern(str, varflags & VSQUOTE);
6631 if (!repl) 6628 if (!repl)
6632 repl = &null; 6629 repl = nullstr;
6633 } 6630 }
6634 6631
6635 /* If there's no pattern to match, return the expansion unmolested */ 6632 /* If there's no pattern to match, return the expansion unmolested */
@@ -6680,8 +6677,12 @@ subevalvar(char *p, char *str, int strloc, int subtype,
6680 idx = loc; 6677 idx = loc;
6681 } 6678 }
6682 6679
6683 for (loc = repl; *loc; loc++) { 6680 for (loc = (char*)repl; *loc; loc++) {
6684 char *restart_detect = stackblock(); 6681 char *restart_detect = stackblock();
6682 if (quotes && *loc == '\\') {
6683 STPUTC(CTLESC, expdest);
6684 len++;
6685 }
6685 STPUTC(*loc, expdest); 6686 STPUTC(*loc, expdest);
6686 if (stackblock() != restart_detect) 6687 if (stackblock() != restart_detect)
6687 goto restart; 6688 goto restart;
@@ -6691,6 +6692,10 @@ subevalvar(char *p, char *str, int strloc, int subtype,
6691 if (subtype == VSREPLACE) { 6692 if (subtype == VSREPLACE) {
6692 while (*idx) { 6693 while (*idx) {
6693 char *restart_detect = stackblock(); 6694 char *restart_detect = stackblock();
6695 if (quotes && *idx == '\\') {
6696 STPUTC(CTLESC, expdest);
6697 len++;
6698 }
6694 STPUTC(*idx, expdest); 6699 STPUTC(*idx, expdest);
6695 if (stackblock() != restart_detect) 6700 if (stackblock() != restart_detect)
6696 goto restart; 6701 goto restart;
@@ -6704,11 +6709,10 @@ subevalvar(char *p, char *str, int strloc, int subtype,
6704 /* We've put the replaced text into a buffer at workloc, now 6709 /* We've put the replaced text into a buffer at workloc, now
6705 * move it to the right place and adjust the stack. 6710 * move it to the right place and adjust the stack.
6706 */ 6711 */
6707 startp = stackblock() + startloc;
6708 STPUTC('\0', expdest); 6712 STPUTC('\0', expdest);
6709 memmove(startp, stackblock() + workloc, len); 6713 startp = (char *)stackblock() + startloc;
6710 startp[len++] = '\0'; 6714 memmove(startp, (char *)stackblock() + workloc, len + 1);
6711 amount = expdest - ((char *)stackblock() + startloc + len - 1); 6715 amount = expdest - (startp + len);
6712 STADJUST(-amount, expdest); 6716 STADJUST(-amount, expdest);
6713 return startp; 6717 return startp;
6714 } 6718 }
@@ -7008,7 +7012,7 @@ evalvar(char *p, int flags, struct strlist *var_str_list)
7008 */ 7012 */
7009 STPUTC('\0', expdest); 7013 STPUTC('\0', expdest);
7010 patloc = expdest - (char *)stackblock(); 7014 patloc = expdest - (char *)stackblock();
7011 if (0 == subevalvar(p, /* str: */ NULL, patloc, subtype, 7015 if (NULL == subevalvar(p, /* str: */ NULL, patloc, subtype,
7012 startloc, varflags, 7016 startloc, varflags,
7013//TODO: | EXP_REDIR too? All other such places do it too 7017//TODO: | EXP_REDIR too? All other such places do it too
7014 /* quotes: */ flags & (EXP_FULL | EXP_CASE), 7018 /* quotes: */ flags & (EXP_FULL | EXP_CASE),
@@ -7171,13 +7175,11 @@ addfname(const char *name)
7171 exparg.lastp = &sp->next; 7175 exparg.lastp = &sp->next;
7172} 7176}
7173 7177
7174static char *expdir;
7175
7176/* 7178/*
7177 * Do metacharacter (i.e. *, ?, [...]) expansion. 7179 * Do metacharacter (i.e. *, ?, [...]) expansion.
7178 */ 7180 */
7179static void 7181static void
7180expmeta(char *enddir, char *name) 7182expmeta(char *expdir, char *enddir, char *name)
7181{ 7183{
7182 char *p; 7184 char *p;
7183 const char *cp; 7185 const char *cp;
@@ -7276,7 +7278,7 @@ expmeta(char *enddir, char *name)
7276 for (p = enddir, cp = dp->d_name; (*p++ = *cp++) != '\0';) 7278 for (p = enddir, cp = dp->d_name; (*p++ = *cp++) != '\0';)
7277 continue; 7279 continue;
7278 p[-1] = '/'; 7280 p[-1] = '/';
7279 expmeta(p, endname); 7281 expmeta(expdir, p, endname);
7280 } 7282 }
7281 } 7283 }
7282 } 7284 }
@@ -7358,6 +7360,7 @@ expandmeta(struct strlist *str /*, int flag*/)
7358 /* TODO - EXP_REDIR */ 7360 /* TODO - EXP_REDIR */
7359 7361
7360 while (str) { 7362 while (str) {
7363 char *expdir;
7361 struct strlist **savelastp; 7364 struct strlist **savelastp;
7362 struct strlist *sp; 7365 struct strlist *sp;
7363 char *p; 7366 char *p;
@@ -7374,8 +7377,7 @@ expandmeta(struct strlist *str /*, int flag*/)
7374 int i = strlen(str->text); 7377 int i = strlen(str->text);
7375 expdir = ckmalloc(i < 2048 ? 2048 : i); /* XXX */ 7378 expdir = ckmalloc(i < 2048 ? 2048 : i); /* XXX */
7376 } 7379 }
7377 7380 expmeta(expdir, expdir, p);
7378 expmeta(expdir, p);
7379 free(expdir); 7381 free(expdir);
7380 if (p != str->text) 7382 if (p != str->text)
7381 free(p); 7383 free(p);
@@ -9547,19 +9549,15 @@ evalcommand(union node *cmd, int flags)
9547 /* Print the command if xflag is set. */ 9549 /* Print the command if xflag is set. */
9548 if (xflag) { 9550 if (xflag) {
9549 int n; 9551 int n;
9550 const char *p = " %s"; 9552 const char *p = " %s" + 1;
9551 9553
9552 p++;
9553 fdprintf(preverrout_fd, p, expandstr(ps4val())); 9554 fdprintf(preverrout_fd, p, expandstr(ps4val()));
9554
9555 sp = varlist.list; 9555 sp = varlist.list;
9556 for (n = 0; n < 2; n++) { 9556 for (n = 0; n < 2; n++) {
9557 while (sp) { 9557 while (sp) {
9558 fdprintf(preverrout_fd, p, sp->text); 9558 fdprintf(preverrout_fd, p, sp->text);
9559 sp = sp->next; 9559 sp = sp->next;
9560 if (*p == '%') { 9560 p = " %s";
9561 p--;
9562 }
9563 } 9561 }
9564 sp = arglist.list; 9562 sp = arglist.list;
9565 } 9563 }
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-17 02:37:53 +0000