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2015-05-18ash: remove arithmetic expansion collapsing at parse timeRon Yorston
Collapsing arithmetic expansion is incorrect when the inner arithmetic expansion is a part of a parameter expansion. Test case: unset a echo $((3 + ${a:=$((4 + 5))})) echo $a Old result: 12 (4 + 5) New result: 12 9 Based on commit bb777a6 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta readtoken1 3180 3163 -17 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-18ash: remove superfluous code in arithmetic modeRon Yorston
Based on commits 1a74845, cfc3d6a and ff13779 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta evalcommand 1197 1204 +7 localcmd 327 325 -2 readtoken1 3200 3180 -20 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 7/-22) Total: -15 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-18ash: do not expand tilde in parameter expansion within quotesRon Yorston
Test case: unset a echo "${a:-~root}" Old result: /root New result: ~root Based on commit 170f44d from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta evalvar 598 604 +6 parse_command 1440 1443 +3 localcmd 325 327 +2 readtoken1 3199 3200 +1 argstr 1180 1164 -16 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/1 up/down: 12/-16) Total: -4 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-18ash: perform tilde expansion in all parameter expansion wordsRon Yorston
Previously tilde expansion was not carried out for =?#% expansion words. Test case: a=~root:~root echo ${a#~root} Old result: /root:/root New result: :/root Based on commit dd721f71 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta subevalvar 1152 1153 +1 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-18ash: code shrink around varvalueRon Yorston
Based on commit c989d72 from git://git.kernel.org/pub/scm/utils/dash/dash.git by Herbert Xu function old new delta strtodest - 40 +40 memtodest 123 147 +24 parse_command 1443 1440 -3 readtoken1 3205 3199 -6 argstr 1203 1180 -23 varvalue 788 660 -128 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/4 up/down: 64/-160) Total: -96 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-13ash: explain what "local -" doesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-05-13ash: consider "local -" case while iterating over local variables in mklocal.Eugene Rudoy
fixes segfault introduced in 0a0acb55db8d7c4dec445573f1b0528d126b9e1f with functions using "local -". test-case: f() { local -; local x; }; f note: with this change applied multiple 'local -'s still cause multiple entries to be added to the localvars list. this problem will be addressed in a separate commit. Signed-off-by: Eugene Rudoy <gene.devel@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-04-20libbb: remove unnecessary argument to nonblock_immune_readRon Yorston
The loop_on_EINTR argument to nonblock_immune_read is always set to 1. function old new delta xmalloc_reads 200 195 -5 pgetc 488 483 -5 argstr 1313 1308 -5 nonblock_immune_read 123 86 -37 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-52) Total: -52 bytes Signed-off-by: Ron Yorston <rmy@tigress.co.uk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-04-18hush: document buggy handling of duplicate "local"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-04-18ash: fix handling of duplicate "local"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-03-22ash: do not split the result of tilde expansionRon Yorston
A tilde expansion generates a valid pathname. Splitting it using IFS either leaves it unchanged or changes it to something unintended. Example: IFS=m HOME=/tmp; printf "%s\n" ~ Based on this commit authored by Jilles Tjoelker: http://git.kernel.org/cgit/utils/dash/dash.git/commit/?id=834629283f6c629a4da05ef60bae9445c954a19a Signed-off-by: Ron Yorston <rmy@tigress.co.uk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-03-12libbb: introduce and use is_prefixed_with()Denys Vlasenko
function old new delta is_prefixed_with - 18 +18 complete_username 78 77 -1 man_main 737 735 -2 fsck_device 429 427 -2 unpack_ar_archive 80 76 -4 strip_unsafe_prefix 105 101 -4 singlemount 1054 1050 -4 rtc_adjtime_is_utc 90 86 -4 resolve_mount_spec 88 84 -4 parse_one_line 1029 1025 -4 parse_conf 1460 1456 -4 may_wakeup 83 79 -4 loadkmap_main 219 215 -4 get_irqs_from_stat 103 99 -4 get_header_cpio 913 909 -4 findfs_main 79 75 -4 fbsplash_main 1230 1226 -4 load_crontab 776 771 -5 expand_vars_to_list 1151 1146 -5 date_main 881 876 -5 skip_dev_pfx 30 24 -6 make_device 2199 2193 -6 complete_cmd_dir_file 773 767 -6 run_applet_and_exit 715 708 -7 uudecode_main 321 313 -8 pwdx_main 197 189 -8 execute 568 560 -8 i2cdetect_main 1186 1176 -10 procps_scan 1242 1230 -12 procps_read_smaps 1017 1005 -12 process_module 746 734 -12 patch_main 1903 1891 -12 nfsmount 3572 3560 -12 stack_machine 126 112 -14 process_timer_stats 449 435 -14 match_fstype 111 97 -14 do_ipaddr 1344 1330 -14 open_list_and_close 359 343 -16 get_header_tar 1795 1779 -16 prepend_new_eth_table 340 323 -17 fsck_main 1811 1794 -17 find_iface_state 56 38 -18 dnsd_main 1321 1303 -18 base_device 179 158 -21 find_keyword 104 82 -22 handle_incoming_and_exit 2785 2762 -23 parse_and_put_prompt 774 746 -28 modinfo 347 317 -30 find_action 204 171 -33 update_passwd 1470 1436 -34 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/49 up/down: 18/-540) Total: -522 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-02-05ash: fix a SEGV case in an invalid heredocDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-12-29ash: fix a SEGV in ${#1}Denys Vlasenko
function old new delta varvalue 760 805 +45 evalvar 648 603 -45 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-11-20typo fix in commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-11-18ash,hush: do not segfault on $((2**63 / -1))Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-11-17ash: fix handling of negative start value in ${v:start:len}Denys Vlasenko
function old new delta subevalvar 1140 1168 +28 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-09-08ash: fix off-by-one in "jobs %4" handling. closes 7310Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-09-08ash: factor out ASH_HELP config optionDenys Vlasenko
It used to be aliased to !FEATURE_SH_EXTRA_QUIET for ash, while hush had it separate from FEATURE_SH_EXTRA_QUIET. Bring ash in line with hush. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-08-13ash: make ${#var} unicode-awareDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-08-13ash,hush: run reinit_unicode() only if makes senseDenys Vlasenko
With static Unicode support, no need to check $LANG et al. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-08-13hush: make ${#var} unicode-awareDenys Vlasenko
This mimics bash Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-22libbb: use a wrapper around sysconf(_SC_CLK_TCK) to save a few bytesBartosz Golaszewski
function old new delta bb_sc_clk_tck - 10 +10 timescmd 118 113 -5 print_route 1763 1758 -5 mpstat_main 1288 1283 -5 iostat_main 1947 1942 -5 INET_setroute 879 871 -8 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/5 up/down: 10/-28) Total: -18 bytes Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-04-15ash,hush: set $HOSTNAME is bash compat. Closes 7028Denys Vlasenko
function old new delta hush_main 1056 1128 +72 ash_main 1442 1487 +45 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-03-16ash: make "locak VAR" unset VAR (bash does that)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-03-15ash,hush: fix a thinko about 2^64-1 factorizationDenys Vlasenko
function old new delta next_random 113 119 +6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-03-14hush: make "true" built-inDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-03-13random: cosmetic tweaks in debug codeDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-03-13ash,hush: improve randomness of $RANDOM, add easy-ish way to test itDenys Vlasenko
function old new delta next_random 68 113 +45 change_random 103 121 +18 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-01-07ash: in bash compat mode, always export $SHLVLDenys Vlasenko
function old new delta ash_main 1437 1442 +5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-28hush: typo fixes in commentsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-11-08ash: Set SHLVL in ASH_BASH_COMPATBernhard Reutner-Fischer
function old new delta ash_main 1456 1505 +49 .rodata 148488 148494 +6 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 55/0) Total: 55 bytes Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-11-08ash: Use setvar2 some moreBernhard Reutner-Fischer
(add/remove: 0/0 grow/shrink: 10/15 up/down: 13/-27) Total: -14 bytes Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-07-14typo fix in commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-07-08typo fix in commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-07-05unicode: check $LC_CTYPE too to detect Unicode modeDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-07-02unicode: check $LC_ALL to detect Unicode mode, not only $LANGDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-05-12hush: fix build failure if FEATURE_EDITING=y && !HUSH_INTERACTIVEDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-04-07ash,hush: history builtinFlemming Madsen
function old new delta show_history - 39 +39 builtin_history - 16 +16 historycmd - 13 +13 bltins1 312 324 +12 builtintab 336 344 +8 popstring 134 140 +6 hush_main 1048 1046 -2 ash_main 1398 1396 -2 size_from_HISTFILESIZE 44 40 -4 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 3/3 up/down: 94/-8) Total: 86 bytes Signed-off-by: Flemming Madsen <busybox@themadsens.dk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-04-07hush: fix for "while false && true; do echo BUG; break; done". closes 6170Denys Vlasenko
function old new delta run_list 959 941 -18 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-03-17ash: add comment about failures in source builtin. No code changes.Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-03-17hush: source builtin should override $N only if it has argsDenys Vlasenko
function old new delta builtin_source 174 184 +10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-03-15ash: read $HOME/.profile instead of $(pwd)/.profileStefan Hellermann
ash --login should read ~/.profile instead of .profile in the current directory. I noticed it while trying to figure out why /root/.profile is only read sometimes. function old new delta ash_main 1374 1398 +24 Signed-off-by: Stefan Hellermann <stefan@the2masters.de> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-03-15ash: move code to allow setting $HOME in /etc/profileStefan Hellermann
move HISTFILE=$HOME/.ash_history below reading /etc/profile, so that /etc/profile can set $HOME. HOME can be unset when directly invoking ash --login from init without going through getty. Signed-off-by: Stefan Hellermann <stefan@the2masters.de> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-02-26move endofname() to libbbDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-01-17ash: revert wrong "fix" for an apparent memory leak. Closes 5822Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-01-15whitespace fixes. no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-01-14whitespace cleanup. no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2012-11-13ash: fix a memory leakJon Tollefson
The script which triggers the leak: while true do while true do break; done</dev/null done Signed-off-by: Jon Tollefson <kniht@linux.vnet.ibm.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2012-10-01ash: implement export -nDenys Vlasenko
function old new delta exportcmd 129 175 +46 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 00:07:09 +0000