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2020-12-25hush: if !EDITING, do not regenerate prompt for every input charDenys Vlasenko
function old new delta fgetc_interactive 261 258 -3 pseudo_exec_argv 406 399 -7 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-10) Total: -10 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-25mount: Surround syslog.h with the config checkLauri Kasanen
This lets bb mount build for limited targets without syslog.h, as long as the parts using it like NFS are disabled. Signed-off-by: Lauri Kasanen <cand@gmx.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-24ash: change "clear ungetc counter on syntax errors" fix to match dashDenys Vlasenko
function old new delta ash_main 1203 1210 +7 raise_exception 39 26 -13 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 7/-13) Total: -6 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-23hush: fix ^C in INTERACTIVE, !EDITING configDenys Vlasenko
function old new delta refill_HFILE_and_getc 88 170 +82 fgetc_interactive 226 250 +24 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 106/0) Total: 106 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-23hush: revert "make interactive ^C break out of PS2 mode"Denys Vlasenko
It made ^C break out of the entire shell, if we aren't in PS2 mode. Need a better idea. function old new delta expand_one_var 2344 2353 +9 syntax_error_unterm_ch 21 29 +8 parse_dollar 817 824 +7 parse_stream 2251 2238 -13 fgetc_interactive 249 227 -22 syntax_error_unterm_str 26 - -26 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 3/2 up/down: 24/-61) Total: -37 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-23hush: fix PS1 prompth in !EDITING configDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-23hush: fix fallout from tweaking ${var:START:LEN} codeDenys Vlasenko
function old new delta expand_one_var 2344 2353 +9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-23shell: for signal exitcode, use 128 | sig, not 128 + sig - MIPS has signal 128Denys Vlasenko
function old new delta wait_for_child_or_signal 213 214 +1 refill_HFILE_and_getc 89 88 -1 getstatus 97 96 -1 builtin_wait 339 337 -2 checkjobs 187 183 -4 process_wait_result 450 444 -6 waitcmd 290 281 -9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/6 up/down: 1/-23) Total: -22 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-23hush: fix commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-23factor: fix commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-22factor: detect squaresDenys Vlasenko
If we have a square, the speedup can be extremely large (in best case example below, it's ~40000 times faster): $ time ./busybox_old factor 18446743988964486098 18446743988964486098: 2 3037000493 3037000493 real 0m4.246s $ time ./busybox factor 18446743988964486098 18446743988964486098: 2 3037000493 3037000493 real 0m0.000s function old new delta isqrt_odd - 57 +57 print_w - 36 +36 factorize 218 236 +18 print_h - 7 +7 factorize_numstr 65 72 +7 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 2/0 up/down: 125/0) Total: 125 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-21lineedit: code shrinkDenys Vlasenko
function old new delta read_line_input 3171 3157 -14 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-21lineedit: add a comment about possible use of tcflush()Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-21bc: do not allocate line editing state until neededDenys Vlasenko
function old new delta xc_read_line 324 353 +29 free_line_input_t 34 39 +5 xc_vm_init 656 640 -16 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 34/-16) Total: 18 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-21modprobe: Add support for modprobe.blacklist=module1,module2,...Andy Shevchenko
function old new delta parse_and_add_kcmdline_module_options - 186 +186 modprobe_main 713 798 +85 do_modprobe 648 451 -197 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/1 up/down: 271/-197) Total: 74 bytes Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-21hush: deal with FIXMEs for corner cases in parameter expansionDenys Vlasenko
function old new delta expand_one_var 2323 2344 +21 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-21factor: fix typo in undefDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-21factor: code shrinkDenys Vlasenko
function old new delta factor_main 176 171 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-20factor: 30% faster trial division (better sieve)Denys Vlasenko
function old new delta packed_wheel - 192 +192 factor_main 108 176 +68 factorize 284 218 -66 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/1 up/down: 260/-66) Total: 194 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-20hush: remove one redundant getpid() on every startupDenys Vlasenko
function old new delta hush_main 1151 1147 -4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-20ping6: add -w/-W NUM to --helpDenys Vlasenko
function old new delta packed_usage 33515 33533 +18 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-20ping: fix -wN to not think that one packet is always lostDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-19ash: clear ungetc counter on syntax errorsDenys Vlasenko
function old new delta raise_exception 26 39 +13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-19tftp: fix --helpDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-19route: code shrinkDenys Vlasenko
function old new delta kw_lookup 84 86 +2 tbl_hash_net_host 15 14 -1 tbl_verb 21 19 -2 tbl_ipvx 104 92 -12 packed_usage 33527 33493 -34 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/4 up/down: 2/-49) Total: -47 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-18help text tweaks, mainly expanding one for routeDenys Vlasenko
function old new delta packed_usage 33485 33527 +42 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-18help text: use -P PORT formDenys Vlasenko
function old new delta packed_usage 33502 33491 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-18help text tweaksDenys Vlasenko
function old new delta packed_usage 33570 33502 -68 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17mount: if we race with other loop mount, we forget to close loop devDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17move ADJTIME_PATH define to header filesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17traceroute: fix --help textDenys Vlasenko
function old new delta traceroute_init 1151 1153 +2 packed_usage 33568 33570 +2 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 4/0) Total: 4 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17traceroute: avoid collecting target local address if !VERBOSEDenys Vlasenko
function old new delta common_traceroute_main 1542 1537 -5 traceroute_init 1151 1101 -50 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-55) Total: -55 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17mount: fix a race when a free loop device is snatched under us by another mount.Denys Vlasenko
function old new delta set_loop 850 809 -41 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17mail: launch_helper(): flush stdio before vfork, set G.helper_pid only in parentDenys Vlasenko
function old new delta launch_helper 188 193 +5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17mail: deobfuscate launch_helper()Denys Vlasenko
13 bytes are not worth the risk of doing something iffy after vfork(). Let's have much clearer code there. function old new delta launch_helper 175 188 +13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17mail: commonalize send_r_n()Denys Vlasenko
function old new delta send_mail_command 85 55 -30 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17mail: move "opts" from globalsDenys Vlasenko
function old new delta popmaildir_main 812 823 +11 sendmail_main 1295 1301 +6 makemime_main 291 288 -3 parse 970 966 -4 reformime_main 107 100 -7 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/3 up/down: 17/-14) Total: 3 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17shells: a fix for systems without RLIMIT_NICEDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-17Fixes for Hurd buildDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16libbb: do not compile selinux_or_die() if !SELINUXDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16build system: make -static-libgcc selectable in configDenys Vlasenko
OpenWrt wants this off. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16libbb: introduce and use xsettimeofday()Denys Vlasenko
function old new delta xsettimeofday - 25 +25 rdate_main 274 260 -14 step_time 348 331 -17 set_kernel_timezone_and_clock 119 102 -17 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/3 up/down: 25/-48) Total: -23 bytes text data bss dec hex filename 1020753 559 5052 1026364 fa93c busybox_old 1020708 559 5052 1026319 fa90f busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16hwclock: improve --help (-l is a compatible shortcut for --localtime)Denys Vlasenko
function old new delta packed_usage 33605 33568 -37 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16hwclock: fix musl breakage of settimeofday(tz)Denys Vlasenko
function old new delta set_kernel_timezone_and_clock - 119 +119 set_kernel_tz - 28 +28 hwclock_main 480 301 -179 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/1 up/down: 147/-179) Total: -32 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16lineedit: disable completion and fancy prompts if no shells are selectedDenys Vlasenko
function old new delta get_previous_history 51 56 +5 get_next_history 47 52 +5 null_str 1 - -1 beep 10 - -10 bb_msg_unknown 10 - -10 bb_internal_setpwent 24 - -24 remove_chunk 30 - -30 goto_new_line 33 - -33 bb_internal_endpwent 36 - -36 deinit_S 51 - -51 free_tab_completion_data 54 - -54 read_line_input 3171 3114 -57 rewind 68 - -68 add_match 70 - -70 complete_username 77 - -77 quote_special_chars 78 - -78 build_match_prefix 557 - -557 complete_cmd_dir_file 697 - -697 parse_and_put_prompt 823 53 -770 input_tab 926 - -926 ------------------------------------------------------------------------------ (add/remove: 0/17 grow/shrink: 2/2 up/down: 10/-3549) Total: -3539 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16lineedit: use strncmp instead of is_prefixed_with (we know the length)Denys Vlasenko
Also: add comments, rename some variables Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16lineedit: remove ->path_lookup if ash is not configuredDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16lineedit: match local directories when searching PATHRon Yorston
When tab-completing a command we search PATH if the partial text doesn't include a slash. Also match subdirectories of the current directory, in case the user intends to run a binary from one of them. function old new delta complete_cmd_dir_file 894 917 +23 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 23/0) Total: 23 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16lineedit: omit directories when tab-completing from PATHRon Yorston
Only files should be matched when using PATH for tab-completion. function old new delta complete_cmd_dir_file 883 894 +11 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 11/0) Total: 11 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-16tweak help textsDenys Vlasenko
function old new delta packed_usage 33650 33605 -45 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>