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2009-10-18hush: handle empty execsMike Frysinger
Sometimes variable expansions yield empty strings, and if they happen to be a command someone wants to run like `$foo`, then hush currently segfaults. So handle `` and $(). Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-15hush: add a printf builtinMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-15hush: unify handling of builtin appletsMike Frysinger
Saves about 10 bytes for each additional builtin applet. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-12ash,hush: fix $RANDOM in children being repeatedDenys Vlasenko
function old new delta next_random 46 68 +22 forkshell 248 263 +15 expand_vars_to_list 2118 2131 +13 run_pipe 1775 1782 +7 popstring 134 140 +6 builtin_umask 123 121 -2 ash_main 1356 1336 -20 get_local_var_value 125 104 -21 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/3 up/down: 63/-43) Total: 20 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-11hush: shrink $RANDOM supportDenys Vlasenko
function old new delta get_local_var_value 104 125 +21 hush_main 1024 983 -41 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-11ash: use bbox wrappers for malloc etc instead of homegrown onesDenys Vlasenko
function old new delta popstring 134 140 +6 ckmalloc 9 - -9 ckstrdup 22 - -22 ckrealloc 24 - -24 ckzalloc 28 - -28 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 1/0 up/down: 6/-83) Total: -77 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-11ash: trivial shrink by using smaller intDenys Vlasenko
function old new delta copynode 197 196 -1 calcsize 127 126 -1 nodesize 54 27 -27 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-29) Total: -29 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09laguage and copyright date corrections, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09ash: make one testsuite entry more robustDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09shell/Config.in: forgotten chunk with CONFIG_HUSH_RANDOM_SUPPORTDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09hush: fix cut-n-paste error in last commitDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09hush: add support for $RANDOM. If on:Denys Vlasenko
function old new delta hush_main 983 1024 +41 get_local_var_value 72 104 +32 block_signals 155 161 +6 reset_traps_to_defaults 211 214 +3 builtin_wait 268 271 +3 pseudo_exec_argv 198 200 +2 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/0 up/down: 87/0) Total: 87 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09ash: factor out $RANDOM supportDenys Vlasenko
function old new delta next_random - 46 +46 ash_main 1361 1356 -5 change_random 132 97 -35 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/2 up/down: 46/-40) Total: 6 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09hush: support $PPIDDenys Vlasenko
function old new delta get_local_var_value 33 72 +39 hush_main 951 983 +32 block_signals 152 155 +3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 74/0) Total: 74 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-08*: a few more NOINLINEsDenys Vlasenko
function old new delta print_linkinfo - 815 +815 do_msg - 783 +783 INET_setroute - 757 +757 varvalue - 746 +746 do_sem - 637 +637 inflate_codes - 617 +617 INET6_setroute - 491 +491 edir - 370 +370 sync_cursor - 298 +298 update_utmp - 246 +246 searchLines - 165 +165 setup_alarm - 144 +144 may_wakeup - 101 +101 getNum 566 371 -195 refresh 1166 848 -318 rtcwake_main 809 479 -330 getty_main 2396 1921 -475 chpst_main 1373 746 -627 inflate_unzip_internal 1335 567 -768 evalvar 1384 612 -772 ipaddr_list_or_flush 2160 1246 -914 route_main 1585 245 -1340 ipcs_main 2523 1049 -1474 ------------------------------------------------------------------------------ (add/remove: 13/0 grow/shrink: 0/10 up/down: 6170/-7213) Total: -1043 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-08*: code shrink via NOINLINEDenys Vlasenko
function old new delta expand_vars_to_list - 2118 +2118 lzo1x_optimize - 1429 +1429 run_pipe 358 1775 +1417 arith_apply - 1335 +1335 mainQSort3 - 1198 +1198 logdir_open - 1163 +1163 rewrite - 1039 +1039 dump_identity - 987 +987 do_shm - 884 +884 cpio_o - 863 +863 cpio_main 1450 560 -890 ipcs_main 3442 2523 -919 bb_dump_dump 2611 1488 -1123 process_dev 4572 3405 -1167 logdirs_reopen 1308 86 -1222 arith 2084 707 -1377 mainSort 2622 1202 -1420 do_lzo_compress 2276 799 -1477 run_list 2491 943 -1548 expand_variables 2280 135 -2145 ------------------------------------------------------------------------------ (add/remove: 9/0 grow/shrink: 1/10 up/down: 12433/-13288) Total: -855 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-08ash: compile breakage fixDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-06Fix english in build systemDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-06*: use {i,u}toa() where appropriateDenys Vlasenko
function old new delta startservice 377 363 -14 setari_u 54 40 -14 ash_main 1375 1361 -14 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-42) Total: -42 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-05ash: error out on ${#1#}, ${#$11}, ${#11#}Cristian Ionescu-Idbohrn
Signed-off-by: Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-04ash: document where we accept invalid syntax. no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-04ash: code shrinkDenys Vlasenko
function old new delta ulimitcmd 489 415 -74 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-30typo fix in a comment in a testcase. oh well...Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-29ash,hush: share stringDenys Vlasenko
function old new delta optschanged 133 139 +6 hush_main 997 982 -15 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 6/-15) Total: -9 bytes text data bss dec hexfilename 823160 445 7668 831273 caf29busybox_old 823102 445 7668 831215 caeefbusybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-27libbb/lineedit: fix the case when we configured history to have 0 linesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-27ash,hush: make trap output short signal names, without SIG prefixDenys Vlasenko
function old new delta evalvar 1373 1371 -2 builtin_trap 457 441 -16 trapcmd 260 236 -24 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-25hush: do not reset to default "" traps in subshellDenys Vlasenko
function old new delta reset_traps_to_defaults 164 211 +47 builtin_umask 123 121 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-25hush: document a TODO. no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-25ash: better comment. no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-25ash: even smaller `trap` codeDenys Vlasenko
function old new delta evalvar 1371 1373 +2 trapcmd 347 260 -87 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-25ash: slightly better (more correct) code for "trap hack"Denys Vlasenko
function old new delta changepath 194 195 +1 evalvar 1373 1371 -2 forkchild 602 590 -12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-25ash: better handling of EXIT trap in `trap` hackDenys Vlasenko
function old new delta forkchild - 602 +602 trapcmd 255 347 +92 ash_main 1362 1375 +13 evalvar 1371 1373 +2 popstring 140 134 -6 forkshell 835 248 -587 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/2 up/down: 709/-593) Total: 116 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-24ash: do not let EXIT trap to fire in `trap`Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-24hush: small speed optimization. +10 bytes.Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-24ash,hush: fix trap reporting: s/SIGEXIT/EXIT/Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-23*: more portability fixes by Dan FandrichDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-23*: optimize code size in strtoul callsDenys Vlasenko
function old new delta bb_parse_mode 433 431 -2 rtnl_rtntype_a2n 202 198 -4 ParseField 511 498 -13 bb_init_module_24 4730 4675 -55 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-74) Total: -74 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-23ash: fix `trap`Denys Vlasenko
function old new delta forkshell 738 810 +72 popstring 134 140 +6 parse_command 1460 1463 +3 evalvar 1373 1371 -2 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/1 up/down: 81/-2) Total: 79 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-23hush: fix `trap`Denys Vlasenko
function old new delta expand_variables 2217 2280 +63 static.argv - 8 +8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-21hush: better wording in comments. no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-16ash: fix bug 585 (>"$VAR_WITH_UNICODE_CHARS" problem)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-16ash: preparatory cleanup. The only real changes are (unsigned char) castsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-16add a testcase for reopened bug 585 (not fixed yet)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-12hush: make memleak debugging more robustDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-12hush: code shrink by Dan Fandrich (dan AT coneharvesters.com)Denys Vlasenko
function old new delta find_function_slot - 47 +47 run_list 2508 2491 -17 find_function 40 8 -32 builtin_unset 227 165 -62 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-06more C standard compat fixes from Dan FandrichDenys Vlasenko
function old new delta docolon 207 204 -3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-06remove some GNUisms. by Dan Fandrich (dan AT coneharvesters.com)Denys Vlasenko
function old new delta logdirs_reopen 1310 1308 -2 read_line_input 4757 4753 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-6) Total: -6 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-05hush: export PWDDenys Vlasenko
function old new delta set_pwd_var - 36 +36 hush_main 941 951 +10 evalvar 1365 1363 -2 ash_main 1364 1362 -2 builtin_cd 75 72 -3 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/3 up/down: 46/-7) Total: 39 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-08-30ash: better comment. no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-08-30ash: revent one place where number() doesn't workDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>