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2020-10-01libbb: shrink recursive_action() by reducing memory pressureDenys Vlasenko
function old new delta recursive_action1 - 316 +316 file_action_grep 161 164 +3 add_to_prg_cache_if_socket 202 205 +3 depmod_main 509 511 +2 writeFileToTarball 488 489 +1 parse_module 281 282 +1 fileAction 207 208 +1 act 189 190 +1 add_to_dirlist 65 64 -1 writeTarFile 196 194 -2 uuidcache_init 47 45 -2 uuidcache_check_device 109 107 -2 true_action 8 6 -2 run_parts_main 310 308 -2 netstat_main 534 532 -2 lsusb_main 29 27 -2 lspci_main 45 43 -2 initial_scan 138 136 -2 grep_main 845 843 -2 find_main 482 480 -2 config_file_action 437 435 -2 chmod_main 142 140 -2 dirAction 14 10 -4 diff_main 1544 1540 -4 chown_main 154 148 -6 skip_dir 136 129 -7 dir_act 191 184 -7 recursive_action 453 69 -384 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 7/20 up/down: 328/-439) Total: -111 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-08-13build system: drop PLATFORM_LINUXRon Yorston
PLATFORM_LINUX is a hidden configuration option which is disabled by default and enabled at over a hundred locations for features that are deemed to be Linux specific. The only effect of PLATFORM_LINUX is to control compilation of libbb/match_fstype.c. This file is only needed by mount and umount. Remove all references to PLATFORM_LINUX and compile match_fstype.c if mount or umount is enabled. Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-06-09unexpand: correct behavior for --first-only --tabs=4Mark Edgar
Prior to the patch, both -f and --first-only are in all cases either no-op or ignored. Without --tabs, --first-only is the default so specifying it is a no-op. With --tabs, --all is implied, and --first-only is intended to reset this. function old new delta expand_main 690 694 +4 Signed-off-by: Mark Edgar <medgar123@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-19Remove stime() function callsAlistair Francis
stime() has been deprecated in glibc 2.31 and replaced with clock_settime(). Let's replace the stime() function calls with clock_settime() in preperation. function old new delta rdate_main 197 224 +27 clock_settime - 27 +27 date_main 926 941 +15 stime 37 - -37 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 2/0 up/down: 69/-37) Total: 32 bytes Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-17chgrp: correct the usage for non-desktop chgrp callsLiu, Shuang (ADITG/ESM)
When IF_DESKTOP is not defined, chown and chgrp only takes option -R -h, However the usage output of chgrp is wrong: $ ./busybox.nosuid chown Usage: chown [-Rh]... USER[:[GRP]] FILE... $ ./busybox.nosuid chgrp Usage: chgrp [-RhLHP]... GROUP FILE... $ ./busybox.nosuid chgrp -H group dummy chgrp: invalid option -- 'H' Usage: chgrp [-RhLHP]... GROUP FILE... The chgrp is now a wrapper of chown, so the recognized options shall be the same. This is introduced by 34425389e09353a8dacdd6b23a62553f699c544c I would expect the correct behavior shall be the same as chown. So suggest the below patch, the behavior shall be: $ ./busybox.nosuid chgrp Usage: chgrp [-Rh]... GROUP FILE... Signed-off-by: Shuang Liu <sliu@de.adit-jv.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25clang/llvm 9 fix - do not eliminate a store to a fake "const"Denys Vlasenko
This is *much* better (9 kbytes better) than dropping "*const" optimization trick. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-24Remove syscall wrappers around clock_gettime, closes 12091Denys Vlasenko
12091 "Direct use of __NR_clock_gettime is not time64-safe". function old new delta runsv_main 1698 1712 +14 startservice 378 383 +5 get_mono 31 25 -6 date_main 932 926 -6 gettimeofday_ns 17 - -17 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 2/2 up/down: 19/-29) Total: -10 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-08date: Use 64 prefix syscall if we have toAlistair Francis
Some 32-bit architectures no longer have the 32-bit time_t syscalls. Instead they have suffixed syscalls that returns a 64-bit time_t. If the architecture doesn't have the non-suffixed syscall and is using a 64-bit time_t let's use the suffixed syscall instead. This fixes build issues when building for RISC-V 32-bit with 5.1+ kernel headers. If an architecture only supports the suffixed syscalls, but is still using a 32-bit time_t fall back to the libc call. Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-08ln: --no-target-directory implies --no-dereferenceKaarle Ritvanen
as in GNU coreutils Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-07tee: do not intercept SIGPIPEDenys Vlasenko
GNU tee does this only with -p, which we don't have yet. function old new delta tee_main 306 295 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-08-03stat: print nanosecond times, fix printing of empty linesDenys Vlasenko
function old new delta human_time 36 73 +37 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-07-02libbb: reduce the overhead of single parameter bb_error_msg() callsJames Byrne
Back in 2007, commit 0c97c9d43707 ("'simple' error message functions by Loic Grenie") introduced bb_simple_perror_msg() to allow for a lower overhead call to bb_perror_msg() when only a string was being printed with no parameters. This saves space for some CPU architectures because it avoids the overhead of a call to a variadic function. However there has never been a simple version of bb_error_msg(), and since 2007 many new calls to bb_perror_msg() have been added that only take a single parameter and so could have been using bb_simple_perror_message(). This changeset introduces 'simple' versions of bb_info_msg(), bb_error_msg(), bb_error_msg_and_die(), bb_herror_msg() and bb_herror_msg_and_die(), and replaces all calls that only take a single parameter, or use something like ("%s", arg), with calls to the corresponding 'simple' version. Since it is likely that single parameter calls to the variadic functions may be accidentally reintroduced in the future a new debugging config option WARN_SIMPLE_MSG has been introduced. This uses some macro magic which will cause any such calls to generate a warning, but this is turned off by default to avoid use of the unpleasant macros in normal circumstances. This is a large changeset due to the number of calls that have been replaced. The only files that contain changes other than simple substitution of function calls are libbb.h, libbb/herror_msg.c, libbb/verror_msg.c and libbb/xfuncs_printf.c. In miscutils/devfsd.c, networking/udhcp/common.h and util-linux/mdev.c additonal macros have been added for logging so that single parameter and multiple parameter logging variants exist. The amount of space saved varies considerably by architecture, and was found to be as follows (for 'defconfig' using GCC 7.4): Arm: -92 bytes MIPS: -52 bytes PPC: -1836 bytes x86_64: -938 bytes Note that for the MIPS architecture only an exception had to be made disabling the 'simple' calls for 'udhcp' (in networking/udhcp/common.h) because it made these files larger on MIPS. Signed-off-by: James Byrne <james.byrne@origamienergy.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-06-09expand: add commented-out code to handle NULsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-06-08expand,unexpand: drop broken test, add FIXME commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-05-26ls: fix SEGV when --color is used and ENABLE_LS_COLOR=nDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-05-14dd: fix handling of short result of full_write(), closes 11711Denys Vlasenko
$ dd bs=1G <sda1 of=/dev/sda1 dd: error writing '/dev/sda1': No space left on device 1+0 records in 0+0 records out 999292928 bytes (953.0MB) copied, 0.784617 seconds, 1.2GB/s function old new delta write_and_stats 99 102 +3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-05-09ln: correct 'ln -T' usage messageJohn L. Hammond
Signed-off-by: John L. Hammond <jhammond@indeed.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-04-12stat: reduce storage for human-readable filesystem namesRon Yorston
function old new delta static.humanname - 236 +236 static.fstype - 140 +140 print_statfs 339 341 +2 static.humantypes 288 - -288 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 1/0 up/down: 378/-288) Total: 90 bytes text data bss dec hex filename 982183 485 7296 989964 f1b0c busybox_old 982152 485 7296 989933 f1aed busybox_unstripped Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-04-02fsync,sync: merge into one source moduleDenys Vlasenko
With FEATURE_SYNC_FANCY not set: function old new delta fsync_main 130 123 -7 With FEATURE_SYNC_FANCY set, should be much larger code size savings. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-04-02fsync,sync: make them similarDenys Vlasenko
sync: add O_NOCTTY fsync: drop O_NOATIME, add O_NONBLOCK, set exitcode to 1 if fsync() fails, update --help message to be similar to sync. both: reformat code to minimize "diff -u sync.c fsync.c": in particular, they use same open() flags now function old new delta fsync_main 126 130 +4 packed_usage 33316 33317 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 5/0) Total: 5 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-02-27top: tweak --helpDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-02-19du: don't count duplicate arguments. Closes 5288Ron Yorston
Since coreutils 8.6 (2010-10-15) du no longer counts duplicate arguments. Revert the relevant part of commit 618a3027ed (du: fix "du /dir /dir" case). function old new delta du_main 302 297 -5 reset_ino_dev_hashtable 78 - -78 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-83) Total: -83 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-02-14dd: add 'oflag=append'Rostislav Skudnov
Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-09date: improve help text for -DDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-07sleep: support "inf"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-04ls: make -i compatible with coreutils: don't follow symlink by defaultMartijn Dekker
Signed-off-by: Martijn Dekker <martijn@inlv.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-28config: more tweaksDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-28config: update size informationDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-11-29cat,nl: fix handling of open errorsDenys Vlasenko
$ cat -n does_not_exist; echo $? cat: does_not_exist: No such file or directory 1 function old new delta print_numbered_lines 118 129 +11 nl_main 196 201 +5 cat_main 421 425 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 20/0) Total: 20 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30printf: fix printf "%u\n" +18446744073709551614Denys Vlasenko
function old new delta conv_strtoll 19 32 +13 conv_strtoull 49 61 +12 bb_strtoll 89 84 -5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 25/-5) Total: 20 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30dd: do not have 'ocount' variable if ibs/obs support is not enabledDenys Vlasenko
function old new delta packed_usage 32964 32961 -3 dd_main 1033 1021 -12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-15) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30dd: add 'oflag=seek_bytes'Rostislav Skudnov
Allow specifying position in the output file in bytes instead of obs-sized blocks, improve compatibility with GNU dd. function old new delta dd_main 1632 1693 +61 packed_usage 33130 33150 +20 static.oflag_words - 12 +12 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/0 up/down: 93/0) Total: 93 bytes Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-19printf: fix printing +-prefixed numbersBernhard Reutner-Fischer
Thanks to Cristian Ionescu-Idbohrn for noticing. Also fix "%d" ' 42' to skip leading whitespace. function old new delta print_direc 435 454 +19 bb_strtoll 99 103 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 23/0) Total: 23 bytes Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2018-09-30unzip: use printable_string() for printing filenamesDenys Vlasenko
function old new delta unzip_main 2726 2792 +66 printable_string2 - 57 +57 identify 4329 4336 +7 expmeta 659 663 +4 add_interface 99 103 +4 beep_main 286 289 +3 changepath 192 194 +2 builtin_type 115 117 +2 devmem_main 469 470 +1 input_tab 1076 1074 -2 create_J 1821 1819 -2 poplocalvars 314 311 -3 doCommands 2222 2214 -8 do_load 918 902 -16 printable_string 57 9 -48 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 8/6 up/down: 146/-79) Total: 67 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-03timeout: fix arguments to match coreutilsDenys Vlasenko
Was: timeout [-t SECS] [-s SIG] PROG ARGS Is: timeout [-s SIG] SECS PROG ARGS function old new delta timeout_main 312 319 +7 packed_usage 32882 32858 -24 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 7/-24) Total: -17 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-03extend fractional duration support to "top -d N.N" and "timeout"Denys Vlasenko
function old new delta parse_duration_str - 168 +168 sleep_for_duration - 157 +157 top_main 885 928 +43 timeout_main 269 312 +43 handle_input 571 614 +43 duration_suffixes - 40 +40 sfx 40 - -40 sleep_main 364 79 -285 ------------------------------------------------------------------------------ (add/remove: 4/1 grow/shrink: 3/1 up/down: 494/-325) Total: 169 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-01ls: When -h is passed, the total should also be in human unitsLauri Kasanen
Signed-off-by: Lauri Kasanen <cand@gmx.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-08-01cp: placate gcc8Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-07-17cp: add missing quote in config snippetDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-07-13cp: optional --reflink supportDenys Vlasenko
function old new delta cp_main 428 512 +84 copy_file 1676 1742 +66 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-07-08sort: add -V "sort version"Denys Vlasenko
function old new delta packed_usage 32855 32858 +3 get_key 500 503 +3 sort_opt_str 36 37 +1 sort_main 1037 1036 -1 compare_keys 795 783 -12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/2 up/down: 7/-13) Total: -6 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-07-06nproc: implement --all --ignore=Nharoon maqsood
function old new delta nproc_main 98 242 +144 packed_usage 32799 32816 +17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 161/0) Total: 161 bytes Signed-off-by: haroon maqsood <maqsood3525@live.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-06-22install: fix "-D -t DIR1/DIR2/DIR3" creating only DIR1/DIR2, closes 11106Denys Vlasenko
function old new delta install_main 758 767 +9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-06-06restore documentation on the build config languageKartik Agaram
Kconfig-language.txt was deleted in commit 4fa499a17b52b back in 2006. Move to docs/ as suggested by Xabier Oneca: http://lists.busybox.net/pipermail/busybox/2014-May/080914.html Also update references to it everywhere. Signed-off-by: Kartik Agaram <akkartik@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-05-24realpath,readlink -f: coreutils compat, closes 11021Denys Vlasenko
function old new delta xmalloc_realpath_coreutils - 121 +121 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-29cat: fix cat -e and cat -v erroneously numbering 1st lineDenys Vlasenko
function old new delta cat_main 418 421 +3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-10shell: add comments about [[, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-08bzip2: fix two crashes on corrupted archivesDenys Vlasenko
As it turns out, longjmp'ing into freed stack is not healthy... function old new delta unpack_usage_messages - 97 +97 unpack_bz2_stream 369 409 +40 get_next_block 1667 1677 +10 get_bits 156 155 -1 start_bunzip 212 183 -29 bb_show_usage 181 120 -61 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/3 up/down: 147/-91) Total: 56 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-08libbb.h: always include sys/resource.hDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07libbb: rename bb_ask -> bb_ask_noecho, bb_ask_confirmation -> ↵Denys Vlasenko
bb_ask_y_confirmation Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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