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* test: -x can return 0/1 early if all X bits are the sameDenys Vlasenko2024-10-071-10/+10
| | | | | | | function old new delta nexpr 702 725 +23 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* ash: cache more of uid/gid syscallsDenys Vlasenko2024-10-071-4/+7
| | | | | | | | | | | | | | | | | | | Testcase: setuidgid 1:1 strace ash -c 'test -x TODO; test -x TODO; echo $?' should show that second "test -x" does not query ids again. function old new delta ash_main 1236 1256 +20 get_cached_euid - 19 +19 get_cached_egid - 19 +19 test_main 56 72 +16 test_exec 119 135 +16 is_in_supplementary_groups 52 57 +5 nexpr 718 702 -16 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 4/1 up/down: 95/-16) Total: 79 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* ash: make "test -x" use cached groupinfoDenys Vlasenko2024-10-071-4/+17
| | | | | | | | | | | function old new delta test_main2 - 407 +407 testcmd 10 23 +13 test_main 418 56 -362 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/1 up/down: 420/-362) Total: 58 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* libbb: simplify parameter passing in is_in_supplementary_groups()Denys Vlasenko2024-10-071-8/+18
| | | | | | | | | | | function old new delta is_in_supplementary_groups 54 52 -2 nexpr 721 718 -3 test_exec 125 119 -6 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-11) Total: -11 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* libbb: move is_in_supplementary_groups() from test to libbbDenys Vlasenko2024-10-071-19/+1
| | | | | | | | | | function old new delta is_in_supplementary_groups - 54 +54 nexpr 766 721 -45 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/1 up/down: 54/-45) Total: 9 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: Invert return value of test_eaccess and rename it to test_st_modeDenys Vlasenko2024-10-061-16/+11
| | | | | | | | | | | | | From dash: From: herbert <herbert@gondor.apana.org.au> Date: Wed, 2 Mar 2005 22:14:54 +1100 Invert return value of test_eaccess and rename it to test_st_mode. function old new delta nexpr 800 766 -34 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: code shrinkDenys Vlasenko2024-10-061-1/+1
| | | | | | | function old new delta nexpr 813 800 -13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* Update applet size estimatesDenys Vlasenko2023-07-101-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: style fixDenys Vlasenko2022-08-301-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: slap on a few ALIGN_PTR where appropriateDenys Vlasenko2022-02-061-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* Make const ptr assign as function call in clangYU Jincheng2021-10-091-1/+1
| | | | | | | | - This can act as memory barrier in clang to avoid read before assign of a const ptr Signed-off-by: LoveSy <shana@zju.edu.cn> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* *: generalize "const trick"YU Jincheng2021-10-071-3/+2
| | | | | | | | While at it, change all "__asm__" to "asm" Co-authored-by: canyie <31466456+canyie@users.noreply.github.com> Signed-off-by: YU Jincheng <shana@zju.edu.cn> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nillyDenys Vlasenko2020-11-301-1/+1
| | | | | | | | text data bss dec hex filename 1021988 559 5052 1027599 fae0f busybox_old 1021236 559 5052 1026847 fab1f busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* shell: better support of [[ ]] bashismDenys Vlasenko2020-10-311-0/+82
| | | | | | | | | | | | | | | | | | Still rather rudimentary for ash function old new delta binop 433 589 +156 check_operator 65 101 +36 done_word 736 769 +33 test_main 405 418 +13 parse_stream 2227 2238 +11 ops_texts 124 133 +9 ops_table 80 86 +6 run_pipe 1557 1562 +5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 8/0 up/down: 269/0) Total: 269 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* clang/llvm 9 fix - do not eliminate a store to a fake "const"Denys Vlasenko2019-10-251-1/+1
| | | | | | | This is *much* better (9 kbytes better) than dropping "*const" optimization trick. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* libbb: reduce the overhead of single parameter bb_error_msg() callsJames Byrne2019-07-021-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* config: update size informationDenys Vlasenko2018-12-281-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* shell: add comments about [[, no code changesDenys Vlasenko2018-04-101-0/+4
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* bzip2: fix two crashes on corrupted archivesDenys Vlasenko2018-04-081-1/+0
| | | | | | | | | | | | | | | | 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>
* test: fix 4-argument caseDenys Vlasenko2017-07-311-9/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Upstream dash commit: Date: Sun, 13 Jul 2008 19:20:10 +0800 Fixed 3,4-argument cases for test per POSIX ----- Forwarded message from Gerrit Pape <pape@smarden.org> ----- Subject: Bug#455828: dash: 4-argument test "test \( ! -e \)" yields an error Date: Fri, 28 Dec 2007 08:53:29 +0000 From: Gerrit Pape <pape@smarden.org> To: Vincent Lefevre <vincent@vinc17.org>, 455828@bugs.debian.org On Thu, Dec 27, 2007 at 06:23:20PM +0100, Vincent Lefevre wrote: > On 2007-12-27 16:00:06 +0000, Gerrit Pape wrote: > > On Wed, Dec 12, 2007 at 02:18:47AM +0100, Vincent Lefevre wrote: > > > According to POSIX[*], "test \( ! -e \)" is a 4-argument test and is > > > here equivalent to "test ! -e". But dash (like ksh93 and bash) yields > > > an error: > > > > > > $ test \( ! -e \) || echo $? > > > test: 1: closing paren expected > > > 2 > > > $ test ! -e || echo $? > > > 1 > > > > Hi Vincent, > > > > the -e switch to test takes an argument, a pathname. > > According to POSIX, in both above examples, "-e" is *not* a switch, > just a string. > > test \( ! -e \) > > means: return true if the string "-e" is empty, otherwhise return false. > The error in dash is that it incorrectly thinks that "-e" is a switch in > this context. I see, you're right. Thanks, Gerrit. ----- End forwarded message ----- This patch hard-codes the 3,4-argument cases in the way required by POSIX. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> function old new delta test_main 370 421 +51 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* config: deindent all help textsDenys Vlasenko2017-07-211-6/+6
| | | | | | Those two spaces after tab have no effect, and always a nuisance when editing. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* Update menuconfig items with approximate applet sizesDenys Vlasenko2017-07-181-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* libbb: new function bb_getgroups() - allocating wrapper around getgroups()Denys Vlasenko2017-07-041-26/+7
| | | | | | | | | | function old new delta bb_getgroups - 111 +111 nexpr 843 757 -86 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/1 up/down: 111/-86) Total: 25 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* shells: make hush test optional, rename ASH_BUILTIN_foo -> ASH_fooDenys Vlasenko2017-01-101-9/+8
| | | | | | | This makes hash and ash more symmetrical wrt config menu and config options. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* Make it possible to select "sh" and "bash" aliases without selecting ash or hushDenys Vlasenko2016-12-231-0/+2
| | | | | | | The same can be done for msh, but we are probably better off just deleting it in a next versio or two. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: make [ and [[ forms individually selectableDenys Vlasenko2016-11-231-5/+21
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* Convert all coreutils/* applets to "new style" applet definitionsDenys Vlasenko2016-11-231-5/+8
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: fix compile error in last commitDenys Vlasenko2016-10-021-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: memory leak: free group id listDenys Vlasenko2016-10-021-0/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* special-case {true,false,test} --helpDenys Vlasenko2015-04-211-8/+3
| | | | | | | | | | This also removes their help texts. function old new delta run_applet_no_and_exit 442 452 +10 packed_usage 30713 30625 -88 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: fix mishandling of "test '(' = '('" and similarDenys Vlasenko2014-07-011-34/+35
| | | | | | | function old new delta test_main 246 350 +104 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* whitespace cleanup. no code changesDenys Vlasenko2013-01-141-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: "test !" was accessing argv past NULL - fix it. Closes 4832Denys Vlasenko2012-03-081-7/+8
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* move help text from include/usage.src.h to coreutils/*.cPere Orga2011-03-311-0/+23
| | | | | Signed-off-by: Pere Orga <gotrunks@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* printenv: fix environ == NULL segfaultDenys Vlasenko2011-03-081-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: add examples when "%s: unknown operand" happensDenys Vlasenko2010-12-201-1/+4
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* whitespace cleanupDenys Vlasenko2010-10-291-3/+3
| | | | Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* *: make GNU licensing statement forms more regularDenys Vlasenko2010-08-161-1/+1
| | | | | | | This change retains "or later" state! No licensing _changes_ here, only form is adjusted (article, space between "GPL" and "v2" and so on). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* remove defconfig. Now "make defconfig" simply uses defaults from Config.inDenys Vlasenko2010-06-061-2/+2
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* partially migrate coreutils to Config.src and Kbuild.srcDenys Vlasenko2010-06-041-0/+20
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: "" is not a valid number. Closes bug 1915Denys Vlasenko2010-06-031-1/+1
| | | | Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: use index_in_stringsDenys Vlasenko2009-09-121-60/+96
| | | | | | | | | | | | | | | function old new delta ops_texts - 124 +124 ops_table - 80 +80 display_process_list 1447 1448 +1 binop 525 523 -2 static.no_op 6 2 -4 check_operator 71 63 -8 ops 240 - -240 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 1/3 up/down: 205/-254) Total: -49 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test: fix "test !" and "test abc -a !". closes bug 465Denys Vlasenko2009-07-171-3/+10
| | | | | | | function old new delta nexpr 826 840 +14 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* ash: fix . builtinDenys Vlasenko2009-06-141-2/+44
| | | | | | Also, move [[ ]] comment to test.c and expand it Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* test, tcpsvd, tcpsvd: shrinkDenys Vlasenko2009-06-131-19/+33
| | | | | | | | | | | | function old new delta nexpr 825 826 +1 tcpudpsvd_main 1830 1822 -8 test_main 257 247 -10 binop 584 525 -59 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 1/-77) Total: -76 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* - update my name. No obj-code changes ;)Bernhard Reutner-Fischer2008-09-251-1/+1
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* test: fix parser to prefer binop over unop, as coreutils does.Denis Vlasenko2008-07-191-60/+193
| | | | | | | | | | | | | | | remove bogus workaround in main(). rename atrocious variables/functions. much expand testsuite. libbb: fix --help to not affect "test --help" function old new delta run_applet_no_and_exit 421 440 +19 nexpr 817 825 +8 static.no_op - 6 +6 test_main 397 257 -140 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 2/1 up/down: 104/-211) Total: -107 bytes
* *: rename ATTRIBUTE_XXX to just XXX.Denis Vlasenko2008-07-051-1/+1
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* more -Wall warning fixes from Cristian Ionescu-Idbohrn.Denis Vlasenko2008-05-131-1/+1
| | | | | | | | | | | | | This time it resulted in small code changes: function old new delta nexpr 820 828 +8 tail_main 1200 1202 +2 wrapf 166 167 +1 parse_mount_options 227 209 -18 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/1 up/down: 11/-18) Total: -7 bytes
* *: remove remaining instances of ".data" hackDenis Vlasenko2008-04-221-7/+6
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