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2008-11-09*: a bit of code shrinkDenis Vlasenko
function old new delta stop_handler 41 38 -3 sulogin_main 508 504 -4 got_cont 4 - -4 cont_handler 11 - -11 startservice 309 297 -12 processorstart 423 409 -14 tcpudpsvd_main 1861 1843 -18 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 0/5 up/down: 0/-66) Total: -66 bytes
2008-11-05*: code shrink by adding a wrapper around very common tcsetattr(0, TCSANOW, ↵Denis Vlasenko
xx) op function old new delta tcsetattr_stdin_TCSANOW - 14 +14 set_sane_term 116 113 -3 top_main 1277 1273 -4 make_new_session 421 415 -6 rawmode 133 126 -7 reset_term 18 10 -8 die 43 35 -8 cookmode 62 54 -8 vlock_main 425 415 -10 read_line_input 3165 3155 -10 bb_askpass 357 347 -10 fsck_minix_main 3079 3065 -14 getty_main 2375 2332 -43 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/12 up/down: 14/-131) Total: -117 bytes
2008-10-21init: downgrade ENABLE_DEBUG_INIT to just a #define to prevent peopleDenis Vlasenko
from selecting it in error. It has to be used ONLY for debugging init, never in production, as resulting init has serious differences.
2008-09-20init: set stderr to NONBLOCKDenis Vlasenko
*: s/setenv(a,b,1)/xsetenv(a,b)/ function old new delta init_main 856 895 +39 message 146 144 -2 crond_main 1418 1416 -2 run 661 658 -3 zcip_main 1409 1403 -6 edit_file 910 901 -9 environment 20 - -20
2008-07-26fix several problems with config parser:Denis Vlasenko
a bug where it underflows the string a bug where it never frees parser_t struct make read_config() return 0 if parser is NULL, make config_close() accept and ignore NULL parser - eliminates many if() blocks reverse the sense of parser bit flags - negative flags are harder to grok. hexdump: revert the change to use config parser, it is BIGGER and also requires additional quirks in parser *: explicitly use PARSER_NORMAL instead of 0 function old new delta login_main 1575 1596 +21 config_close 18 29 +11 bbunpack 383 391 +8 qgravechar 106 109 +3 rtnl_tab_initialize 121 117 -4 expand 1697 1693 -4 man_main 717 712 -5 nameif_main 674 668 -6 hexdump_main 597 591 -6 read_config 217 209 -8 dnsd_main 1478 1470 -8 sysctl_main 203 189 -14 config_open2 44 25 -19 make_device 1177 1141 -36 config_read 597 549 -48 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/11 up/down: 43/-158) Total: -115 bytes
2008-07-21libbb: [x]fopen_for_{read,write} introduced and used.Denis Vlasenko
(by Valdimir) function old new delta config_open2 - 41 +41 config_read 507 542 +35 find_pair 169 187 +18 fopen_for_write - 14 +14 fopen_for_read - 14 +14 find_main 406 418 +12 xfopen_for_write - 10 +10 xfopen_for_read - 10 +10 popstring 134 140 +6 parse_inittab 396 401 +5 next_token 923 928 +5 pack_gzip 1659 1661 +2 bb__parsespent 117 119 +2 fallbackSort 1719 1717 -2 evalvar 1376 1374 -2 qrealloc 36 33 -3 ... ... ... ... singlemount 4579 4569 -10 process_stdin 443 433 -10 patch_main 1111 1101 -10 ifupdown_main 2175 2165 -10 file_action_grep 90 80 -10 uuidcache_init 649 637 -12 hush_main 797 785 -12 read_config 230 217 -13 dpkg_main 3835 3820 -15 read_line_input 3134 3110 -24 sysctl_main 232 203 -29 config_open 40 10 -30 WARN_BAD_LINE 44 - -44 login_main 1714 1575 -139 ------------------------------------------------------------------------------ (add/remove: 5/1 grow/shrink: 8/74 up/down: 174/-737) Total: -563 bytes
2008-07-21whitespace fixes, no code changedDenis Vlasenko
2008-07-21- fix spellingBernhard Reutner-Fischer
2008-07-21- remove superfluous forward declarationBernhard Reutner-Fischer
2008-07-21- no obj-code changes. Fix indentation, use existing defines.Bernhard Reutner-Fischer
2008-07-19libbb: updated config_parse() from VladimirDenis Vlasenko
function old new delta config_read 385 460 +75 runsvdir_main 1701 1716 +15 readit 331 338 +7 passwd_main 1049 1053 +4 parse_command 1504 1507 +3 decode_format_string 822 824 +2 bb__parsespent 117 119 +2 udhcp_get_option 221 222 +1 changepath 196 194 -2 parse_inittab 400 396 -4 nameif_main 683 679 -4 make_device 1176 1172 -4 config_open 48 40 -8 expand_main 698 689 -9 readcmd 1012 1002 -10 config_free_data 37 21 -16 SynchronizeFile 683 643 -40 sleep_main 474 362 -112 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 8/10 up/down: 109/-209) Total: -100 bytes
2008-07-17init: fix compile-time error; fix exiting on broken config fileDenis Vlasenko
parse_config: cosmetics
2008-07-17- fix "noreduce" flag of config_read (didn't work at all, at least for me).Bernhard Reutner-Fischer
- convert init's inittab parsing to the new config parser: function old new delta config_read 393 386 -7 static.actions 72 64 -8 .rodata 121772 121764 -8 parse_inittab 554 393 -161 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-184) Total: -184 bytes
2008-07-06mdev: do not follow symlinks in /sys (as was intended prior to rev 18811).Denis Vlasenko
If this breaks things, please document why! mdev,init: use shared code for fd sanitization function old new delta bb_daemonize_or_rexec 155 172 +17 mdev_main 500 505 +5 init_main 907 856 -51 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 22/-51) Total: -29 bytes
2008-07-05*: rename ATTRIBUTE_XXX to just XXX.Denis Vlasenko
2008-05-19- use STD*_FILENO some more. No object-code changesBernhard Reutner-Fischer
2008-05-19- use EXIT_{SUCCESS,FAILURE}. No object-code changesBernhard Reutner-Fischer
2008-04-05init: fix askfirst not working as intendedDenis Vlasenko
2008-03-24*: whitespace fixes, no code changesDenis Vlasenko
2008-03-17init: do not close all descriptors > 2. We were doing it - sometimes.Denis Vlasenko
Good choices are "do it, always" or "don't do it". Second is smaller.
2008-03-17init: do not use bb_sanitize_stdio(), "/dev/null" may be missing (yet)Denis Vlasenko
2008-03-17*: shrink: use Vladimir's "o+" specifier instead of xatou(opt_param)Denis Vlasenko
function old new delta getopt32 1370 1385 +15 sulogin_main 490 494 +4 realpath_main 84 86 +2 sleep_main 76 77 +1 mt_main 256 257 +1 printenv_main 75 74 -1 fdformat_main 546 545 -1 usleep_main 44 42 -2 setlogcons_main 77 75 -2 ed_main 2654 2649 -5 deallocvt_main 69 64 -5 addgroup_main 373 368 -5 mkfs_minix_main 2989 2982 -7 tail_main 1221 1213 -8 sv_main 1254 1241 -13 du_main 348 328 -20 tftp_main 325 302 -23 split_main 581 558 -23 nc_main 1000 977 -23 diff_main 891 868 -23 arping_main 1797 1770 -27 ls_main 893 847 -46 od_main 2797 2750 -47 readprofile_main 1944 1895 -49 tcpudpsvd_main 1973 1922 -51 udhcpc_main 2590 2513 -77 grep_main 824 722 -102 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560) Total: -537 bytes text data bss dec hex filename 796973 658 7428 805059 c48c3 busybox_old 796479 662 7420 804561 c46d1 busybox_unstripped
2008-03-17libbb: introduce and use sigprocmask_allsigs and sigaction_set.Denis Vlasenko
libbb: rename sig_pause to wait_for_any_sig.
2008-02-19init: make it NOMMU-capableDenis Vlasenko
httpd: trivial compile fix
2008-02-19init: fix commentsDenis Vlasenko
2008-02-19init: HUP should not be temporarily set to "restart",Denis Vlasenko
we use it for config reload, and we have QUIT for "restart".
2008-02-19init: fix bug 1111: restart actions were not splitting words:Denis Vlasenko
::restart:/sbin/rc restart resulted in: exec of '/sbin/rc restart' failed: No such file or directory
2008-02-16libbb: introduce bb_signals and bb_signals_recursive,Denis Vlasenko
which sets same handler for many signals. sig_catch is nuked (bb_signals_recursive is more descriptive name). *: use them as appropriate. function old new delta bb_signals_recursive - 95 +95 bb_signals - 52 +52 run_command 258 273 +15 svlogd_main 1368 1377 +9 runsv_main 1746 1752 +6 runsvdir_main 1643 1646 +3 UNSPEC_print 64 66 +2 time_main 1128 1127 -1 ... resize_main 246 210 -36 sig_catch 63 - -63 set_fatal_sighandler 85 14 -71 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 5/24 up/down: 182/-548) Total: -366 bytes
2008-01-29init: allow last line to be not terminated by '\n'Denis Vlasenko
2008-01-27- fix conflicting decls of syslog related facilitynames and prioritynames tablesBernhard Reutner-Fischer
2008-01-04init: wait for orphaned children too while waitingDenis Vlasenko
for sysinit-like processes (Harald Küthe <harald-tuxbox@arcor.de>)
2008-01-02libbb: introduce and use safe_waitpid (loops in EINTR)Denis Vlasenko
*: use more approproate (shorter) versions of wait() function old new delta safe_waitpid - 48 +48 wait_any_nohang - 17 +17 send_tree 365 369 +4 processorstop 432 435 +3 text_yank 110 108 -2 make_human_readable_str 202 200 -2 crond_main 1368 1366 -2 handle_sigchld 49 43 -6 reapchild 166 159 -7 custom 260 250 -10 checkscript 191 177 -14 wait_nohang 17 - -17 wait_pid 43 - -43 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 2/7 up/down: 72/-103) Total: -31 bytes
2007-12-26init: don't spawn tons of waiting children, one is enoughDenis Vlasenko
init: shrink signal disabling code init: rename some functions text data bss dec hex filename 778657 832 7344 786833 c0191 busybox_old 778445 832 7344 786621 c00bd busybox_unstripped
2007-12-25init: sometimes, #ifdefs are cleaner.Denis Vlasenko
2007-12-25convert #if to if -- let gcc optimize away dead code for usMike Frysinger
2007-12-25init: add FEATURE_KILL_REMOVED (Eugene Bordenkircher <eugebo@gmail.com>)Denis Vlasenko
init: slight size optimization
2007-12-10cttyhack: add missing ';'Denis Vlasenko
init: remove pointless access() check
2007-12-10init: remove superfluous forks and messing up with argv[0]Denis Vlasenko
cttyhack: add stealing of ctty
2007-11-18syslogd: use DEV_CONSOLE consistentlyDenis Vlasenko
init: remove obsolete comment
2007-11-10init: fix bug 1584: improper check for fork errorDenis Vlasenko
2007-11-06fbset: fix buglet where we were using wrong pointerDenis Vlasenko
readahead: stop using stdio.h *: style fixes
2007-10-11add -fvisibility=hidden to CC flags, mark XXX_main functionsDenis Vlasenko
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
2007-09-30introduce and use close_on_exec_on(fd). -50 bytes.Denis Vlasenko
2007-09-24*: kill bb_get_last_path_component, replace with two functionsDenis Vlasenko
(one which strips trailing slash and one which does not) wget: straighten out as a result of above change text data bss dec hex filename 5056 1 0 5057 13c1 busybox.t4/networking/wget.o 5022 0 0 5022 139e busybox.t5/networking/wget.o
2007-08-12trylink: produce even more info about final link stageDenis Vlasenko
trylink: explain how to modify link and drastically decrease amount of padding (unfortunately, needs hand editing ATM). *: add ALIGN1 / ALIGN2 to global strings and arrays of bytes and shorts size saving: 0.5k
2007-06-14init: make sure fd 0,1,2 are not closed, + related optimizations.Denis Vlasenko
init_main 929 920 -9 bb_daemonize_or_rexec 145 127 -18
2007-06-13*: BB_BANNER -> bb_banner (it is not a const or #define)!Denis Vlasenko
correct_password: explain in detail why it is ok to use bb_banner fsck_minix: make it print bb version, not it's own (outdated/irrelevant) one Marginal size difference: text data bss dec hex filename 679119 2700 15632 697451 aa46b busybox_old 679091 2700 15632 697423 aa44f busybox_unstripped
2007-06-12remove nearly-duplicate PATHs in several placesDenis Vlasenko
function old new delta bb_PATH_root_path - 35 +35 varunset 60 58 -2 arith 2042 2033 -9 bb_default_root_login_path 30 - -30 .rodata 128794 128762 -32 which_main 152 117 -35 defpathvar 40 - -40 ------------------------------------------------------------------------------ (add/remove: 1/2 grow/shrink: 0/4 up/down: 35/-148) Total: -113 bytes
2007-05-31delete tons of extra #includesDenis Vlasenko
2007-05-26usage.c: remove reference to busybox.hDenis Vlasenko
*: s/include "busybox.h"/include "libbb.h"