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2018-04-10shell: add comments about [[, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-08bzip2: fix two crashes on corrupted archivesDenys Vlasenko
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>
2018-04-08libbb.h: always include sys/resource.hDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07libbb: rename bb_ask -> bb_ask_noecho, bb_ask_confirmation -> ↵Denys Vlasenko
bb_ask_y_confirmation Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-06sort: smaller and more agressive FEATURE_SORT_OPTIMIZE_MEMORYDenys Vlasenko
function old new delta sort_main 1098 1037 -61 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-04sort: move misplaced commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-04sort: FEATURE_SORT_OPTIMIZE_MEMORYDenys Vlasenko
On sorting all kernel/linux/arch/ *.[ch] files, this reduces memory usage by 6%. yes | head -99999999 | sort goes down from 1900Mb to 380 Mb. function old new delta sort_main 862 1098 +236 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-03-31stat: fix a typo: s/romfs/ramfs/, closes 10876Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-03-08md5sum: use config help text similar to other "sum" toolsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-23df: do "rootfs" check soonerDenys Vlasenko
function old new delta df_main 1065 1064 -1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-23df: 4TB+ support on 32 bits archDenys Vlasenko
Reported for Pascal Bellard. function old new delta df_main 1054 1065 +11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-22od: move address_fmt[] from data to globals. 8 less bytes in data sectionDenys Vlasenko
function old new delta od_main 2164 2179 +15 address_fmt 8 - -8 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/0 up/down: 15/-8) Total: 7 bytes text data bss dec hex filename 930954 481 6852 938287 e512f busybox_old 930977 473 6852 938302 e513e busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-22sort: fix potentially buggy use of OPT_STRDenys Vlasenko
This also makes OPT_STR reused: text data bss dec hex filename 930979 481 6852 938312 e5148 busybox_old 930954 481 6852 938287 e512f busybox_unstripped ^^^^^^ Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-22sort: in -s handling, return 1/-1, not 1/0 compare resultDenys Vlasenko
function old new delta compare_keys 794 795 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-21sort: fix -s. Closes 10671Denys Vlasenko
function old new delta sort_main 786 862 +76 compare_keys 720 794 +74 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 150/0) Total: 150 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-11cp: fix option handling in non-longopt configDenys Vlasenko
the patch getopt32: remove opt_complementary 22542eca18e5807b72ddc78999f5101e33f17a53 introduced a regressed in the cp command since it removed all aliases of arguments if long_opts is not configured. Patch by Sebastian Gottschall <s.gottschall@dd-wrt.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-01cksum: code shrinkDenys Vlasenko
function old new delta cksum_main 281 262 -19 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-02-01cp: implement -TAaro Koskinen
Implement "cp -T". Some Linux kernel Makefiles started using this recently, so allow also building on systems using busybox cp. function old new delta cp_main 360 428 +68 copy_file 1678 1676 -2 packed_usage 32290 32259 -31 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 76/-39) Total: 35 bytes Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-25dd: add 'fullblock' iflagNicholas Clark
Adds a fullblock iflag for improved compatibility with GNU dd. The new iflag can be used to ensure that dd calls retrieve the expected amount of data when reading from pipes or unusual filesystems. function old new delta packed_usage 32249 32334 +85 dd_main 1582 1632 +50 static.iflag_words 12 22 +10 ------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 145/0) Total: 145 bytes Signed-off-by: Nicholas Clark <nicholas.clark@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-23od_bloaty: fix debug codeDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-14mv: make it NOEXECDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-10dd: fixed partial count logicDenys Vlasenko
$ busybox dd if=/dev/zero of=/dev/loop0 bs=100M count=8; echo $? 8+0 records in 7+0 records out <=========== FIXED, was 7+1 805220352 bytes (767.9MB) copied, 0.464010 seconds, 1.6GB/s 1 function old new delta write_and_stats 97 99 +2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-10dd: exit with 1 if last write was incompleteDenys Vlasenko
$ busybox dd if=/dev/zero of=/dev/loop0 bs=100M count=8; echo $? 8+0 records in 7+1 records out 805220352 bytes (767.9MB) copied, 0.464010 seconds, 1.6GB/s 1 <=========== FIXED function old new delta write_and_stats 96 97 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-08mknod: better --help, much clearer codeDenys Vlasenko
function old new delta packed_usage 32066 32091 +25 mknod_main 173 174 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-08nice: code shrinkDenys Vlasenko
function old new delta nice_main 157 152 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-12-31chown: fix a mistake in opt_complementary changeDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-12-31randomconfig fixesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-12-25env: -u option fails due to typoRon Yorston
The -u option is supposed to be allowed to appear multiple times; the option string supplied to getopt32long requires it to be followed by a nonnegative integer. Reported-by: Keith Maxwell <keith.maxwell@gmail.com> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-10-30df: Use statvfs instead of non-standard statfsJames Clarke
Platforms differ on what their implementations of statfs include. Importantly, FreeBSD's does not include a f_frsize member inside struct statfs. However, statvfs is specified by POSIX and includes everything we need, so we can just use that instead. Signed-off-by: James Clarke <jrtc27@jrtc27.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-10-05whitespace and comment format fixes, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-10-05whitespace and comment format fixes, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-10-05date: maybe_set_utc only onceDenys Vlasenko
It's not clear at all why we do it twice. git archaeology did not help. function old new delta date_main 836 839 +3 maybe_set_utc 16 - -16 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-09-18regularize format of source file headers, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-09-18stty: add cmspar, flusho, extproc attributesDenys Vlasenko
function old new delta mode_info 688 704 +16 mode_name 502 516 +14 wrapf 162 157 -5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 30/-5) Total: 25 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-09-13*: use ESC define instead of "\033"; use ESC[m instead of ESC[0mDenys Vlasenko
text data bss dec hex filename 922535 481 6832 929848 e3038 busybox_old 922534 481 6832 929847 e3037 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-10libarchive: do not extract unsafe symlinks unless $EXTRACT_UNSAFE_SYMLINKS=1Denys Vlasenko
function old new delta unsafe_symlink_target - 147 +147 unzip_main 2711 2732 +21 copy_file 1657 1678 +21 tar_main 999 971 -28 data_extract_all 1038 984 -54 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 2/2 up/down: 189/-82) Total: 107 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-08getopt32: remove opt_complementaryDenys Vlasenko
function old new delta vgetopt32 1318 1392 +74 runsvdir_main 703 713 +10 bb_make_directory 423 425 +2 collect_cpu 546 545 -1 opt_chars 3 - -3 opt_complementary 4 - -4 tftpd_main 567 562 -5 ntp_init 476 471 -5 zcip_main 1266 1256 -10 xxd_main 428 418 -10 whois_main 140 130 -10 who_main 463 453 -10 which_main 212 202 -10 wget_main 2535 2525 -10 watchdog_main 291 281 -10 watch_main 222 212 -10 vlock_main 399 389 -10 uuencode_main 332 322 -10 uudecode_main 316 306 -10 unlink_main 45 35 -10 udhcpd_main 1482 1472 -10 udhcpc_main 2762 2752 -10 tune2fs_main 290 280 -10 tunctl_main 366 356 -10 truncate_main 218 208 -10 tr_main 518 508 -10 time_main 1134 1124 -10 tftp_main 286 276 -10 telnetd_main 1873 1863 -10 tcpudpsvd_main 1785 1775 -10 taskset_main 521 511 -10 tar_main 1009 999 -10 tail_main 1644 1634 -10 syslogd_main 1967 1957 -10 switch_root_main 368 358 -10 svlogd_main 1454 1444 -10 sv 1296 1286 -10 stat_main 104 94 -10 start_stop_daemon_main 1028 1018 -10 split_main 542 532 -10 sort_main 796 786 -10 slattach_main 624 614 -10 shuf_main 504 494 -10 setsid_main 96 86 -10 setserial_main 1132 1122 -10 setfont_main 388 378 -10 setconsole_main 78 68 -10 sendmail_main 1209 1199 -10 sed_main 677 667 -10 script_main 1077 1067 -10 run_parts_main 325 315 -10 rtcwake_main 454 444 -10 rm_main 175 165 -10 reformime_main 119 109 -10 readlink_main 123 113 -10 rdate_main 246 236 -10 pwdx_main 189 179 -10 pstree_main 317 307 -10 pscan_main 663 653 -10 popmaildir_main 818 808 -10 pmap_main 80 70 -10 nc_main 1042 1032 -10 mv_main 558 548 -10 mountpoint_main 477 467 -10 mount_main 1264 1254 -10 modprobe_main 768 758 -10 modinfo_main 333 323 -10 mktemp_main 200 190 -10 mkswap_main 324 314 -10 mkfs_vfat_main 1489 1479 -10 microcom_main 715 705 -10 md5_sha1_sum_main 521 511 -10 man_main 867 857 -10 makedevs_main 1052 1042 -10 ls_main 563 553 -10 losetup_main 432 422 -10 loadfont_main 89 79 -10 ln_main 524 514 -10 link_main 75 65 -10 ipcalc_main 544 534 -10 iostat_main 2397 2387 -10 install_main 768 758 -10 id_main 480 470 -10 i2cset_main 1239 1229 -10 i2cget_main 380 370 -10 i2cdump_main 1482 1472 -10 i2cdetect_main 682 672 -10 hwclock_main 406 396 -10 httpd_main 741 731 -10 grep_main 837 827 -10 getty_main 1559 1549 -10 fuser_main 297 287 -10 ftpgetput_main 345 335 -10 ftpd_main 2232 2222 -10 fstrim_main 251 241 -10 fsfreeze_main 77 67 -10 fsck_minix_main 2921 2911 -10 flock_main 314 304 -10 flashcp_main 740 730 -10 flash_eraseall_main 833 823 -10 fdformat_main 532 522 -10 expand_main 680 670 -10 eject_main 335 325 -10 dumpleases_main 630 620 -10 du_main 314 304 -10 dos2unix_main 441 431 -10 diff_main 1350 1340 -10 df_main 1064 1054 -10 date_main 1095 1085 -10 cut_main 961 951 -10 cryptpw_main 228 218 -10 crontab_main 575 565 -10 crond_main 1149 1139 -10 cp_main 370 360 -10 common_traceroute_main 3834 3824 -10 common_ping_main 1767 1757 -10 comm_main 239 229 -10 cmp_main 655 645 -10 chrt_main 379 369 -10 chpst_main 704 694 -10 chpasswd_main 308 298 -10 chown_main 171 161 -10 chmod_main 158 148 -10 cat_main 428 418 -10 bzip2_main 120 110 -10 blkdiscard_main 264 254 -10 base64_main 221 211 -10 arping_main 1665 1655 -10 ar_main 556 546 -10 adjtimex_main 406 396 -10 adduser_main 882 872 -10 addgroup_main 411 401 -10 acpid_main 1198 1188 -10 optstring 11 - -11 opt_string 18 - -18 OPT_STR 25 - -25 ubi_tools_main 1288 1258 -30 ls_options 31 - -31 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 3/129 up/down: 86/-1383) Total: -1297 bytes text data bss dec hex filename 915428 485 6876 922789 e14a5 busybox_old 914629 485 6872 921986 e1182 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-08getopt32: remove applet_long_optionsDenys Vlasenko
FEATURE_GETOPT_LONG made dependent on LONG_OPTS. The folloving options are removed, now LONG_OPTS enables long options for affected applets: FEATURE_ENV_LONG_OPTIONS FEATURE_EXPAND_LONG_OPTIONS FEATURE_UNEXPAND_LONG_OPTIONS FEATURE_MKDIR_LONG_OPTIONS FEATURE_MV_LONG_OPTIONS FEATURE_RMDIR_LONG_OPTIONS FEATURE_ADDGROUP_LONG_OPTIONS FEATURE_ADDUSER_LONG_OPTIONS FEATURE_HWCLOCK_LONG_OPTIONS FEATURE_NSENTER_LONG_OPTS FEATURE_CHCON_LONG_OPTIONS FEATURE_RUNCON_LONG_OPTIONS They either had a small number of long options, or their long options are essential. Example: upstream addgroup and adduser have ONLY longopts, we should probably go further and get rid of non-standard short options. To this end, make addgroup and adduser "select LONG_OPTS". We had this breakage caused by us even in our own package! #if ENABLE_LONG_OPTS || !ENABLE_ADDGROUP /* We try to use --gid, not -g, because "standard" addgroup * has no short option -g, it has only long --gid. */ argv[1] = (char*)"--gid"; #else /* Breaks if system in fact does NOT use busybox addgroup */ argv[1] = (char*)"-g"; #endif xargs: its lone longopt no longer depends on DESKTOP, only on LONG_OPTS. hwclock TODO: get rid of incompatible -t, -l aliases to --systz, --localtime Shorten help texts by omitting long option when short opt alternative exists. Reduction of size comes from the fact that store of an immediate (an address of longopts) to a fixed address (global variable) is a longer insn than pushing that immediate or passing it in a register. This effect is CPU-agnostic. function old new delta getopt32 1350 22 -1328 vgetopt32 - 1318 +1318 getopt32long - 24 +24 tftpd_main 562 567 +5 scan_recursive 376 380 +4 collect_cpu 545 546 +1 date_main 1096 1095 -1 hostname_main 262 259 -3 uname_main 259 255 -4 setpriv_main 362 358 -4 rmdir_main 191 187 -4 mv_main 562 558 -4 ipcalc_main 548 544 -4 ifenslave_main 641 637 -4 gzip_main 192 188 -4 gunzip_main 77 73 -4 fsfreeze_main 81 77 -4 flock_main 318 314 -4 deluser_main 337 333 -4 cp_main 374 370 -4 chown_main 175 171 -4 applet_long_options 4 - -4 xargs_main 894 889 -5 wget_main 2540 2535 -5 udhcpc_main 2767 2762 -5 touch_main 436 431 -5 tar_main 1014 1009 -5 start_stop_daemon_main 1033 1028 -5 sed_main 682 677 -5 script_main 1082 1077 -5 run_parts_main 330 325 -5 rtcwake_main 459 454 -5 od_main 2169 2164 -5 nl_main 201 196 -5 modprobe_main 773 768 -5 mkdir_main 160 155 -5 ls_main 568 563 -5 install_main 773 768 -5 hwclock_main 411 406 -5 getopt_main 622 617 -5 fstrim_main 256 251 -5 env_main 198 193 -5 dumpleases_main 635 630 -5 dpkg_main 3991 3986 -5 diff_main 1355 1350 -5 cryptpw_main 233 228 -5 cpio_main 593 588 -5 conspy_main 1135 1130 -5 chpasswd_main 313 308 -5 adduser_main 887 882 -5 addgroup_main 416 411 -5 ftpgetput_main 351 345 -6 get_terminal_width_height 242 234 -8 expand_main 690 680 -10 static.expand_longopts 18 - -18 static.unexpand_longopts 27 - -27 mkdir_longopts 28 - -28 env_longopts 30 - -30 static.ifenslave_longopts 34 - -34 mv_longopts 46 - -46 static.rmdir_longopts 48 - -48 packed_usage 31739 31687 -52 ------------------------------------------------------------------------------ (add/remove: 2/8 grow/shrink: 3/49 up/down: 1352/-1840) Total: -488 bytes text data bss dec hex filename 915681 485 6880 923046 e15a6 busybox_old 915428 485 6876 922789 e14a5 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-07expr: make it NOEXECDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-07df: make NOEXECDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-07free,stat: make NOEXECDenys Vlasenko
pkill/pgrep/pidof uncovered another quirk: what about noexec's _process names_? Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-07users,w,who,uptime,renice: make NOEXECDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-06sv,svc: fix NOEXEC falloutDenys Vlasenko
function old new delta svc_main 145 162 +17 sv 1280 1297 +17 status 139 133 -6 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 34/-6) Total: 28 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-06stty: fix bb_common_bufsiz1 use in NOEXECDenys Vlasenko
function old new delta stty_main 1211 1221 +10 do_display 379 370 -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-04stty: make in NOEXECDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-04make 17 state-changing execing applets (ex: "nice PROG ARGS") noexecDenys Vlasenko
The applets with "<applet> [opts] PROG ARGS" API very quickly exec another program, noexec is okay for them: chpst/envdir/envuidgid/softlimit/setuidgid chroot chrt ionice nice nohup setarch/linux32/linux64 taskset cttyhack "reset" and "sulogin" applets don't have this form, but also exec another program at once, thus made noexec too. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-04mktemp: make it NOEXECDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-03new NOFORKs: pwdx,kill[all5],ttysize,realpath,readlink NOEXECs: date,resizeDenys Vlasenko
function old new delta run_nofork_applet 258 280 +22 readlink_main 112 123 +11 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 33/0) Total: 33 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-03config: FEDORA_COMPAT option (so far only tweaks uname)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-03new NOFORKs: clear, nproc, tty, uname, arch, unlink, whichDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 01:11:12 +0000