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* win32: allow for trailing separator in PATHRon Yorston2024-06-141-0/+1
| | | | | | | | | | | | | | | | | | | In recent versions of Windows the PATH environment variable has a trailing semicolon. This is insignificant to Windows because it's ignored. busybox-w32 conforms to the POSIX interpretation of PATH which treats an empty path element as denoting the current directory. As result, on these versions of Windows executables may by default be run from the current directory, contrary to usual Unix practice. Attempt to detect and remove the trailing semicolon on applet start up. If the user insists, they can add a trailing semicolon to the shell variable PATH and it will be respected in the conventional manner. Adds 88-112 bytes. (GitHub issue #422)
* win32: implement getppid(2)Ron Yorston2024-05-161-1/+1
| | | | | | | | | | | | | | busybox-w32 had a dummy implementation of getppid(2) which always returned 1. Provide a more realistic version. The effect is limited: - The PPID shell variable should report a sensible value. - The special value to omit the parent PID 'pidof -o %PPID' should work. Costs 48 bytes.
* win32: ensure PIDs are read early in procps_scan()Ron Yorston2024-05-161-2/+1
| | | | | | | | | | | Recent changes to allow orphaned processes to report a parent PID of 1 rely on the assumption that Process32First/Process32Next return parents before children. This isn't guaranteed by the API. Obtain all known PIDs on the first call to procps_scan() so that dead parents can be detected reliably. Costs 48 bytes.
* ps: report unknown parent PID as 1Ron Yorston2024-05-141-0/+3
| | | | | | | | | | If the parent PID doesn't appear in the process table, report it as 1. This more closely matches how orphaned children are handled on UNIX. Adds 96-128 bytes. (GitHub issue #416)
* kill: killing a zombie process should failRon Yorston2024-05-141-1/+0
| | | | | | | | | | | | | | | | | | | | | | | A process which has exited may still have its process handle held open by its children. Such a process doesn't appear in the process table. It is thus similar to a zombie process in UNIX. Using kill(1) to interact with such a process was seen to succeed, contrary to expectation. The code for "ordinary" signals in kill(2) did check if the process was still active but didn't treat an attempt to kill an inactive process as an error. Furthermore, sending SIGKILL or the fake signal 0 to a process didn't even check if the process was still active. Rearrange the implementation of kill(2) so that an attempt to signal an inactive process is treated as an error. This also consolidates handling of SIGKILL and signal 0 with "ordinary" signals. Saves 96 bytes. (GitHub issue #416)
* libbb: make default history size configurableRon Yorston2024-04-281-0/+5
| | | | | | | | Allow the default history size (used if HISTFILESIZE isn't set) to be configured at build time. This may be less than or equal to the standard history size. (GitHub issue #411)
* ash: add title built-inRon Yorston2024-04-091-0/+1
| | | | | | | | | | | | | | Implement a 'title' built-in for ash. It's very simple-minded, performs almost no error checking and is completely non-portable. - With no arguments it prints the current console title. - If arguments are provided the *first only* is set as the console title. Costs 88-116 bytes. (GitHub issue #401)
* win32: unicode: use newer wcwidth by defaultAvi Halachmi (:avih)2024-03-291-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds a new wcwidth implementation at libbb/wcwidth_alt.c, and uses it instead of the existing implementation when compiling for windows and CONFIG_LAST_SUPPORTED_WCHAR >= 0x30000 - which is the case with the unicode configs/mingw64u_defconfig. The windows-target condition keeps non-windows build unmodified, and the last supported wchar threshold is a semi-hack to allow switching between implementations without adding a new config option (the old code supports codepoints up to 0x2ffff). The new file wcwidth_alt.c was generated by a new scripts/mkwcwidth, which prints a wcwidth implementation using latest unicode data from a local clone of https://github.com/jquast/wcwidth . This repo is the main python wcwidth implementation, and is maintained and up to date. Functional differences from the existing implementation: - Unicode 15.1.0 (latest) with the new version (about 450 ranges of wide and zero-width codepoints), compared to roughly Unicode 5.0 of the existing code (nearly 20 years old spec, about 150 ranges). The new spec includes, among others, various wide icons and emojis, which can now be edited correctly at the shell prompt, have correct alignment in 'ls', etc. - The old implementation returns -1 (non-printable) for surrogates, while the new code returns 1, though this is inconsequential, and POSIX doesn't care. Also libc implementations vary in this regard. Technical differences: - The old version compiles less code/data when the last supported wchar is smaller, while the new version doesn't. This doesn't matter because the new version is enabled only for the full range. - The new version is smaller and relatively straight forward, and fully automated (generated), so updates to newer spec is trivial. The old version mixes data, ad-hoc code (tailored to the data), and preprocessor checks, and is hard to automate updates. The old version has various forms of 32 and 16 bit data ranges, in several arrays, while the new version uses single data array with unified form of 32 bits per range, with two rules: - A data range can't span Unicode planes (enforced, but unlikely required, and if yes, code to split ranges would be simple). - A range can't hold more than 32768 codepoints, so bigger ranges are split automatically (currently there are 2 such ranges). Performance wise, the new version should be faster, even with three times the data ranges. Both versions do effectively at most one binary search in one Unicode plane data, but the new version finds both zero-width and wide-width results in this one search, while the old version only finds zero-width, and to detect wide-width it does an additional linear series of manual range tests, but since most results are width 1, this sequence is performed in most (non-ASCII) calls. In a cursory comparison of the new wcwidth with glibc and musl-libc (both use O(1) lookup tables), with few bodies of text, we're in the same ballpark, with typical speed of 60% or better. Bloat-wise, the new version is about 180 bytes code and 1800 bytes data. If it had similar number of data ranges as the old code (150), the new version would be about 200 bytes smaller, but because the new version has 450 data ranges, it's about 1K bigger.
* win32: add BB_VER.h to .gitignoreRon Yorston2024-02-251-0/+1
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* win32: rearrange applet override handlingRon Yorston2024-02-021-4/+4
| | | | | | | | | | - Rename some functions to be more meaningful. - Adjust conditional compilation to clarify which code is required for 'standalone shell' and 'exec prefers applets' settings. This shouldn't result in any change to the behaviour or size of default builds.
* Fix POSIX build in standalone shell modeRon Yorston2024-01-231-2/+3
| | | | | | | The conditional compilation to control standalone shell mode was incorrect when building for POSIX. This hadn't been noticed before as it had only been tested in the default configuration where standalone shell mode is disabled.
* Remove FAST_FUNC from variadic functionsRon Yorston2024-01-171-12/+12
| | | | | | | | | | | The GCC documentation points out that the stdcall attribute doesn't apply to functions which take a variable number of arguments. GCC is silent about this during compilation but clang complains noisily. Remove FAST_FUNC from all variadic functions. This has no effect whatsoever on the binary resulting from a default 32-bit build. Signed-off-by: Ron Yorston <rmy@pobox.com>
* libbb: introduce last_char_is_dir_sep()Ron Yorston2024-01-041-0/+1
| | | | | | | Add a convenience function to determine if the last character of a string is a directory separator. Adds 16-32 bytes.
* win32: make the clang build less crashyRon Yorston2024-01-031-0/+5
| | | | | | | | | | | | | busybox-w32 binaries built using clang crashed so frequently that they were pretty much unusable. The main issue seems to be with assignments to the structures containing global variables which are used in most applets. Upstream commit 5156b2455 (Make const ptr assign as function call in clang) addresses this, but is insufficient for the build on Windows. Extend the idea to the ASSIGN_CONST_PTR() macro too. Costs 32-80 bytes in the gcc build.
* win32: fix clang error/warningRon Yorston2023-12-311-0/+4
| | | | | | | | | | | | Since clang doesn't seem to know about ffs(3) make it use __builtin_ffs() instead. Fix a warning in process_escape() in winansi.c: result of comparison of constant -1 with expression of type 'WORD' (aka 'unsigned short') is always true. Change the error value returned by process_colour() from -1 to 0xffff. Costs 16 bytes.
* httpd: enable support for CGIRon Yorston2023-12-201-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | The upstream code uses fork/exec when running a CGI process. Emulate this by: - Spawning a child httpd process with the special '-I 0' option, along with the options provided on the server command line. This sets up the proper state then calls the cgi_handler() function. - The cgi_handler() function fixes the pipe file descriptors and starts another child process to run the CGI script. These processes are detached from the console on creation. When spawn() functions are run in P_DETACH mode they don't connect to the standard file descriptors. Normally this doesn't matter but the process which runs the CGI scripts needs to inherit the pipe endpoints. The create_detached_process() function handles this. See: https://github.com/rprichard/win32-console-docs/blob/master/README.md Adds about 2.9Kb to the size of the binary. (GitHub issue #266)
* httpd: fix return code when run in backgroundRon Yorston2023-12-151-1/+1
| | | | | | | | | | | When httpd was run in the background the return code of the parent process was incorrect. It seems when spawn() is run in _P_DETACH mode it returns 0 on success, not a process handle. Fix the test for the return code and alter mingw_spawn_detach() so it doesn't treat the return from spawn() as a handle. Saves 32 bytes.
* win32: tidy up conditional compilation of applet overrideRon Yorston2023-12-121-5/+5
| | | | | This doesn't affect the generated binary, at least in the default configuration.
* win32: code shrink applet overridesRon Yorston2023-12-101-4/+4
| | | | | | | | Pass the PATH to be used to look up executables down from the shell to the applet override code. This replaces the use of a static variable and a function to fetch its value. Saves 16-32 bytes.
* Merge branch 'busybox' into mergeFRP-5236-g7dff7f376Ron Yorston2023-12-051-4/+8
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| * start-stop-daemon: do not lose error messages with -bDenys Vlasenko2023-11-081-4/+7
| | | | | | | | | | | | | | | | | | | | | | | | function old new delta start_stop_daemon_main 1186 1206 +20 bb_daemonize_or_rexec 196 212 +16 bb_banner 47 46 -1 packed_usage 34656 34645 -11 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/2 up/down: 36/-12) Total: 24 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * sleep: fix "sleep -- ARGS"Denys Vlasenko2023-10-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | function old new delta sleep_main 116 119 +3 printf_main 860 837 -23 single_argv 50 25 -25 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 3/-48) Total: -45 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | win32: only search PATH for compressorRon Yorston2023-11-141-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | mingw_fork_compressor() uses CreateProcess() to run the compressor program. This will often be an instance of BusyBox, but since the xv and lzma applets in BusyBox don't support compression it can be an external program. It was intended that the external program should be found using PATH. However, CreateProcess() looks in various other places before trying PATH. In particular, it first looks in the directory of the current executable, then in the current directory of the process. This can result in the wrong xz.exe or lzma.exe being found. Perform an explicit PATH search and force CreateProcess() to use the result. This change only affects the search for a compressor. The same problem also affects other uses of our popen(3) emulation. These may be addressed in future. Costs 64-80 bytes. (GitHub issue #376)
* | sort: add support for sorting version stringsRon Yorston2023-10-012-1/+1
| | | | | | | | | | | | | | | | | | | | | | Add an implementation of strverscmp from musl so that the 'sort -V' option works. Add '-V' to the trivial usage message. Costs 248-256 bytes. (GitHub issue #370)
* | ash: add options to control globbing of hidden filesRon Yorston2023-09-201-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add shell options: - 'nohiddenglob' excludes files with the hidden attribute from globbing - 'nohidsysglob' excludes files with the hidden and system attributes from globbing If both options are enabled 'nohiddenglob' takes precedence. These options also affect tab completion. Files that are hidden because they start with a period aren't affected (unless they also have the hidden attribute). Costs 160-208 bytes. (GitHub issue #367)
* | win32: convert exit codesRon Yorston2023-09-141-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add two utility functions to convert Windows process exit codes. - exit_code_to_wait_status() converts to a POSIX wait status. This is used in ash and the implementations of system(3) and mingw_wait3(). - exit_code_to_posix() converts to a POSIX exit code. (Not that POSIX has much to say about them.) As a result it's possible for more applets to report when child processes are killed as if by a signal. 'time', 'drop' and 'su -W', for example. Adds 64-80 bytes.
* | ps: increase length of 'comm' fieldRon Yorston2023-08-291-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Linux the command name associated with a process (as can be obtained from '/proc/<PID>/comm') is truncated to 16 characters. Thus upstream BusyBox only allows 16 characters for the 'comm' field in 'ps'. There's no need for such a constraint in busybox-w32. Moreover, the command name is used for the full command line ('args' field) in most cases. This field is allowed to be rather long in 'ps' so it's not expected to be truncated. Still, to avoid diverging too much from upstream it's best to have some measure of truncation. Increase the allowed length of the command name to 32 characters. Adds 16 bytes. (GitHub issue #358)
* | win32: UCRT: avoid I64 printf format warningsAvi Halachmi (:avih)2023-08-281-2/+3
| | | | | | | | | | | | | | | | Builds without warnings on: mingw-msvcrt gcc 13.2 i686/x86-64 (w64devkit). mingw-ucrt gcc 13.1/13.2 i686/x86-64 (winlibs). Where previously both the ucrt builds warned about I64.
* | win32: replace readlink(2)Ron Yorston2023-08-211-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Windows implementation of readlink(2) has caused problems in the past. As, for example, with commit c29dc205d2 (win32: fix implementation of readlink(2)). Most uses of readlink(2) in BusyBox are actually calls to the (considerably more convenient) library function xmalloc_readlink(). Implement a Windows version of that and used it instead of readlink(2). This improves the handling of symbolic links (and similar reparse points) in CJK and UTF-8 code pages. Saves 48-80 bytes.
* | ash: detect console state on shell start upnoconsole2Ron Yorston2023-08-201-1/+0
| | | | | | | | | | | | | | | | | | | | | | Set 'noconsole' to match the actual state of the console (normal/ iconified) when the shell is started. Thus ShowWindow() will only be called if the actual state differs from the default or user defined state. Costs 20-24 bytes. (GitHub issue #325)
* | Merge branch 'busybox' into mergeRon Yorston2023-08-101-0/+7
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| * introduce and use exitcode_tDenys Vlasenko2023-07-171-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | function old new delta strings_main 422 420 -2 setfattr_main 175 173 -2 brctl_main 1548 1546 -2 makedevs_main 979 975 -4 rev_main 337 332 -5 getfattr_main 307 302 -5 cut_main 1201 1196 -5 cksum_main 398 393 -5 umount_main 573 565 -8 ln_main 516 508 -8 expand_main 660 652 -8 df_main 1068 1060 -8 renice_main 346 332 -14 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/13 up/down: 0/-76) Total: -76 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | win32: support build with FEATURE_UNICODE_SUPPORTAvi Halachmi (:avih)2023-07-222-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | FEATURE_UTF8_MANIFEST enables Unicode args and filenames on Win 10+. FEATURE_UTF8_INPUT allows the shell prompt to digest correctly Unicode strings (as UTF8) which are typed or pasted. This commit adds support for building with FEATURE_UNICODE_SUPPORT (mostly by supporting 32 bit wchar_t which busybox expects): - Unicode-aware line-edit - for the most part cursor movement/del being (UTF8) codepoint-aware rather than assuming that one-byte equals one-char-on-screen. - Codepoint-aware operations in some other utils, like rev or wc -c. - When UNICODE_COMBINING_WCHARS and UNICODE_WIDE_WCHARS are enabled, some screen-width-aware operations, like with fold, ls, expand, etc. The busybox Unicode support is incomplete, and even less so with the builtin libc replacement functions, like wcwidth, which are active when UNICODE_USING_LOCALE is unset (mingw lacks those functions). FEATURE_CHECK_UNICODE_IN_ENV should be set so that Unicode is not hardcoded but rather depends on the ANSI codepage and some env vars: LC_ALL=C disables Unicode support, else it's enabled if ACP is UTF8. There's at least one known issue where the tab-completion-prefix-case is not updated correctly, e.g. ~/desk<tab> completes to ~/desktop/ instead of ~/Desktop/, because the code which handles it exists only at the non-unicode code paths, but that's not very critical. That seems to be the only case where mingw-specific code is disabled when Unicode is enabled, but there could be other unknown issues. None of the Unicode options is enabled by default, and the next commit will make it easier to create a build which supports Unicode.
* | date: allow system date to be setRon Yorston2023-07-161-0/+1
| | | | | | | | | | | | | | | | | | Implement clock_settime(2) and enable the '-s' option to allow the system time to be set. This requires elevated privileges. The code in date.c is now identical to upstream BusyBox. Costs 256-272 bytes.
* | Merge branch 'busybox' into mergeRon Yorston2023-07-132-0/+22
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| * hwclock: add get/set parameters optionAndrej Picej2023-07-121-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In kernel 5.16 special ioctls were introduced to get/set RTC parameters. Add option to get/set parameters into busybox version of hwclock. Implementation is similar to the one already used in linux-utils hwclock tool. Example of parameter get use: $ hwclock -g 2 The RTC parameter 0x2 is set to 0x2. $ hwclock --param-get bsm The RTC parameter 0x2 is set to 0x2. Example of parameter set use: $ hwclock -p 2=1 The RTC parameter 0x2 will be set to 0x1. $ hwclock -p bsm=2 The RTC parameter 0x2 will be set to 0x2. function old new delta hwclock_main 298 576 +278 .rodata 105231 105400 +169 packed_usage 34541 34576 +35 static.hwclock_longopts 60 84 +24 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 506/0) Total: 506 bytes Signed-off-by: Andrej Picej <andrej.picej@norik.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * ash: disable sleep as builtin, closes 15619Denys Vlasenko2023-07-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Has a few annoying problems: * sleepcmd() -> sleep_main(), the parsing of bad arguments exits the shell. * sleep_for_duration() in sleep_main() has to be interruptible for ^C traps to work, which may be a problem for other users of sleep_for_duration(). * BUT, if sleep_for_duration() is interruptible, then SIGCHLD interrupts it as well (try "/bin/sleep 1 & sleep 10"). * sleep_main() must not allocate anything as ^C in ash longjmp's. (currently, allocations are only on error paths, in message printing). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libbb: code shrink: introduce and use [_]exit_FAILURE()Denys Vlasenko2023-06-151-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | function old new delta exit_FAILURE - 7 +7 _exit_FAILURE - 7 +7 run 198 199 +1 restore_state_and_exit 114 115 +1 xbsd_write_bootstrap 399 397 -2 vfork_compressor 209 207 -2 sig_handler 12 10 -2 serial_ctl 154 152 -2 parse_args 1169 1167 -2 onintr 21 19 -2 make_new_session 493 491 -2 login_main 988 986 -2 gotsig 35 33 -2 do_iplink 1315 1313 -2 addgroup_main 397 395 -2 inetd_main 1911 1908 -3 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 2/12 up/down: 16/-25) Total: -9 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | ash: properly echo console input to 'read' built-inRon Yorston2023-07-121-0/+1
| | | | | | | | | | | | | | The 'read' shell built-in echoed console input to stdout. Echo directly to the console instead. Costs 124-136 bytes.
* | win32: more console input character conversionsRon Yorston2023-07-071-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | Add wrappers for the following input functions with conversions for console input. Applications suitable for testing these changes are appended in brackets. - getchar (xargs) - fgetc (tac) - getline (shuf) - fgets (rev) Costs 112-120 bytes.
* | win32: character conversion for fread(3)Ron Yorston2023-07-061-0/+2
| | | | | | | | | | | | | | Some applets use fread(3): dd and od, for example. Perform the necessary conversion when input is coming from the console. Costs 96-112 bytes.
* | win32: the great UTF8 ReadConsoleInput hackAvi Halachmi (:avih)2023-06-281-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 597d31ee (EURO_INPUT), ReadConsoleInputA is the default. The main problem with that is that if the console codepage is UTF8, e.g. after "chcp 65001", then typing or pasting can result in a crash of the console itself (the Windows Terminal or cmd.exe window closes). Additionally and regardless of this crash, ReadConsoleInputA is apparently buggy with UTF8 CP also otherwise. For instance, on Windows 7 only ASCII values work - others become '?'. Or sometimes in Windows 10 (cmd.exe console but not Windows terminal) only key-up events arrive for some non-ASCII codepoints (without a prior key-down), and more. So this commit implements readConsoleInput_utf8 which delivers UTF8 Regardless of CP, including of surrogate pairs, and works on win 7/10. Other than fixing the crash and working much better with UTF8 console CP, it also allows a build with the UTF8 manifest to capture correctly arbitrary unicode inputs which are typed or pasted into the console regardless of the console CP. However, it doesn't look OK unless the console CP is set to UTF8 (which we don't do automatically, but the user can chcp 65001), and editing is still lacking due to missing screen-length awareness. To reproduce the crash: start a new console window, 'chcp 65001', run this program (or busybox sh), and paste "ಀ" or "😀" (U+0C80, U+1F600) #include <windows.h> int main() { HANDLE h = GetStdHandle(STD_INPUT_HANDLE); INPUT_RECORD r; DWORD n; while (ReadConsoleInputA(h, &r, 1, &n)) /* NOP */; return 0; }
* | win32: don't assume console CP equals OEM CPAvi Halachmi (:avih)2023-06-281-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, console input was converted to the ANSI codepage using OemToChar[Buff], and ANSI to console conversion used CharToOem[Buff]. However, while typically true by default, it's not guaranteed that the console CP is the same as the OEM CP. Now the code uses the console input/output CP as appropriate instead of the OEM CP. It uses full wide-char conversion code, which was previously limited to FEATURE_EURO, and now may be used also otherwise. While at it, the code now bypasses the conversion altogether if the src/dst CPs happen to be identical - which can definitely happen. Other than saving some CPU cycles, this also happens to fix an issue with the UTF8 manifest (in both input and output), because apparently the Oem/Char conversion APIs fail to convert one char at a time (which is not a complete UTF8 codepoint sequence) even if both the OEM and the ANSI CPs are UTF8 (as is the case when using UTF8 manifest). Conversion is also skipped: - if the converted output would be longer than the input; - if the input length is 1 and the input is multi-byte.
* | Merge branch 'busybox' into mergeRon Yorston2023-06-161-1/+6
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| * libbb/dump: make xxd_displayoff member conditional on xxdDenys Vlasenko2023-05-271-4/+4
| | | | | | | | | | | | | | | | | | With xxd not selected: function old new delta display 1459 1444 -15 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * libbb/dump: conditionalize code used only by xxd and odDenys Vlasenko2023-05-261-0/+4
| | | | | | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| * od: stop printing extra trailing spacesDenys Vlasenko2023-05-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | function old new delta .rodata 104598 104613 +15 display 1475 1485 +10 od_main 549 556 +7 rewrite 971 967 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/1 up/down: 32/-4) Total: 28 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* | Fixes for old mingw-w64Ron Yorston2023-06-141-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | Allow current busybox-w32 to build with the CentOS 6 version of mingw-w64. - Fix declaration of setlinebuf(). (GitLab issue 116) - Define ENABLE_VIRTUAL_TERMINAL_INPUT. (GitLab issue 117) - Define IO_REPARSE_TAG_APPEXECLINK. - Avoid a compiler warning in coreutils/shuf.c.
* | win32: code shrink applet look-upRon Yorston2023-06-051-6/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Remove find_preferred_applet_by_name(). Instead add a reference to is_applet_preferred() in find_applet_by_name(). - Remove the global variable ash_path. Use a static instead, accessed by calling get_ash_path(). - Mark ash_applet_by_name() as NOINLINE. Saves 64-96 bytes. (GitHub issue #329)
* | win32: another BB_OVERRIDE_APPLETS fixRon Yorston2023-06-041-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support for conditionally replacing applets with external commands requires the ability to check whether a given command name is present on PATH. This was being done using the PATH environment variable, which works in commands run by the shell but not in the shell itself. - The shell uses the *shell* variable PATH to look for executables. This may not be the same as the *environment* variable. - 'command -p' uses an entirely different PATH. Applet look-up in the shell is now treated as a special case, with the actual PATH being used passed to the look-up code in a global variable. This doesn't affect tab completion in the shell: whether a completion is an applet or an external command is irrelevant. Costs 152-288 bytes. (GitHub issue #329)
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