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2020-01-29ash: improve expandstr()Ron Yorston
The dash maintainer recently posted a fix for issues with expanding PS1. These had already been fixed differently in BusyBox ash. Borrow a couple of improvements: - Use a single call to setjmp() to trap errors in both readtoken1() and expandarg(). - In case of error set the prompt to the literal value of PS1 rather than the half-digested nonsense in stackblock() which might include ugly control characters. function old new delta expandstr 353 300 -53 Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-01-29syslogd: add config option to include milliseconds in timestampsPeter Korsgaard
For some use cases, having logs with more than 1 second accuracy can be helpful. Add an option to include milliseconds when adding a timestamp in HH:MM:SS.mmm format, similar to syslog-ng with fraq_digits(3) or journalctl -o short-precise. For simplicity, abuse the remaining space in the buffer used by ctime to add the millieconds (overwriting year). function old new delta timestamp_and_log 401 448 +47 Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-01-14udhcpd: mangle hostnames starting with dash ("-option")Denys Vlasenko
function old new delta add_lease 316 328 +12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-12-03whois: limit total length of response to 32+2 kbDenys Vlasenko
function old new delta query 517 554 +37 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-12-03init: improve handling of signals racing with each otherDenys Vlasenko
Before this change, a request to reboot could be "overwritten" by e.g. SIGHUP. function old new delta init_main 709 793 +84 packed_usage 33273 33337 +64 run_actions 109 117 +8 stop_handler 87 88 +1 check_delayed_sigs 340 335 -5 run 214 198 -16 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/2 up/down: 157/-21) Total: 136 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-12-02init: if tcgetattr() fails, don't even try to tcsetattr()Denys Vlasenko
function old new delta set_sane_term 111 114 +3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-28hush: fix preprocessor directives indentationDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-27grep: add -RTomi Leppanen
This adds -R option to grep similar to GNU grep. It is the same as -r but also dereferences symbolic links to directories. function old new delta grep_main 834 850 +16 packed_usage 33362 33368 +6 grep_file 1440 1441 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 23/0) Total: 23 bytes Signed-off-by: Tomi Leppanen <tomi.leppanen@jolla.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-23bc: fix comparison bug, closes 12336Denys Vlasenko
function old new delta bc_num_cmp 249 259 +10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-19Remove stime() function callsAlistair Francis
stime() has been deprecated in glibc 2.31 and replaced with clock_settime(). Let's replace the stime() function calls with clock_settime() in preperation. function old new delta rdate_main 197 224 +27 clock_settime - 27 +27 date_main 926 941 +15 stime 37 - -37 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 2/0 up/down: 69/-37) Total: 32 bytes Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-17Updated inittab example documentationDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-17chgrp: correct the usage for non-desktop chgrp callsLiu, Shuang (ADITG/ESM)
When IF_DESKTOP is not defined, chown and chgrp only takes option -R -h, However the usage output of chgrp is wrong: $ ./busybox.nosuid chown Usage: chown [-Rh]... USER[:[GRP]] FILE... $ ./busybox.nosuid chgrp Usage: chgrp [-RhLHP]... GROUP FILE... $ ./busybox.nosuid chgrp -H group dummy chgrp: invalid option -- 'H' Usage: chgrp [-RhLHP]... GROUP FILE... The chgrp is now a wrapper of chown, so the recognized options shall be the same. This is introduced by 34425389e09353a8dacdd6b23a62553f699c544c I would expect the correct behavior shall be the same as chown. So suggest the below patch, the behavior shall be: $ ./busybox.nosuid chgrp Usage: chgrp [-Rh]... GROUP FILE... Signed-off-by: Shuang Liu <sliu@de.adit-jv.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-09taskset: tighten the check for stride valuesDenys Vlasenko
function old new delta taskset_main 986 987 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-09taskset: implement stride argumentDenys Vlasenko
function old new delta taskset_main 925 986 +61 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-08unxz: show -t in --helpDenys Vlasenko
function old new delta packed_usage 33236 33247 +11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-08taskset: update commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-01taskset: add support for taking/printing CPU list (-c option)Denys Vlasenko
function old new delta taskset_main 511 855 +344 Based on patch by Fryderyk Wrobel <frd1996@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-11-01hush: restore redirected stdinDenys Vlasenko
function old new delta restore_redirects 52 95 +43 save_fd_on_redirect 243 253 +10 hfopen 90 99 +9 fgetc_interactive 259 261 +2 builtin_type 117 115 -2 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/1 up/down: 64/-2) Total: 62 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-30ntpd: decrease MIN_FREQHOLD by 2, increase "penalty" for largish offset x2Denys Vlasenko
> 2018-07-25: > ntpd: increase MIN_FREQHOLD by 3 > This means we'll start correcting frequency ~5 minutes after start, > not ~3.5 ones. > With previous settings I still often see largish ~0.7s initial offsets > only about 1/2 corrected before frequency correction kicks in, > resulting in ~200ppm "correction" which is then slowly undone. Review of real-world results of the above shows that with small initial offsets, freq correction can be allowed to kick in sooner, whereas with large (~0.8s) offsets, we still start freq correction a bit too soon. Let's rebalance this a bit. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-27nslookup: implement support for SRV recordsJo-Philipp Wich
Add support for querying and parsing SRV DNS records. function old new delta send_queries 1711 1865 +154 qtypes 72 80 +8 Signed-off-by: Jo-Philipp Wich <jo@mein.io> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-27nslookup: handle replies without RRsJo-Philipp Wich
Under some circumstances, a DNS reply might contain no resource records, e.g. when a valid domain is queried that does not have records of the requested type. Example with nslookup from BIND dnsutils: $ nslookup -q=SRV example.org Server: 10.11.12.13 Address: 10.11.12.13#53 Non-authoritative answer: *** Can't find example.org: No answer Currently the busybox nslookup applet simply prints nothing after the "Non-authoritative answer:" line in the same situation. This change modifies nslookup to either print "Parse error" or "No answer" diagnostics, depending on the parse_reply() return value. function old new delta send_queries 1676 1711 +35 Signed-off-by: Jo-Philipp Wich <jo@mein.io> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-26gunzip: fix incorrect decoding of "fixed" inflate blocksDenys Vlasenko
function old new delta huft_build 1008 1022 +14 inflate_block 1253 1256 +3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 17/0) Total: 17 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25hdparm: placate "warning: taking the absolute value of unsigned type"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25vi: placate "warning: shifting a negative signed value is undefined"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25read_key(): placate "warning: shifting a negative signed value is undefined"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25ntpd: abs(tmx.offset) was truncating a "long" typed valueDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25tc: array address is never NULLDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25traceroute: fix gcc-ismDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25suppress a few "unused function" warningsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25netstat: suppress a warning (conversion from 'int' to 'smallint' changes value)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25Makefile.flags: suppress some clang-9 warningsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25clang/llvm 9 fix - do not eliminate a store to a fake "const"Denys Vlasenko
This is *much* better (9 kbytes better) than dropping "*const" optimization trick. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-25tar: fix fallout of: change -a from meaning "lzma" to mean "autodetect by ↵Denys Vlasenko
extension" Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-24Remove syscall wrappers around clock_gettime, closes 12091Denys Vlasenko
12091 "Direct use of __NR_clock_gettime is not time64-safe". function old new delta runsv_main 1698 1712 +14 startservice 378 383 +5 get_mono 31 25 -6 date_main 932 926 -6 gettimeofday_ns 17 - -17 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 2/2 up/down: 19/-29) Total: -10 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-22shell: better comments in BASE#nn codeDenys Vlasenko
function old new delta evaluate_string 932 930 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-21shell/ulimit: code shrinkDenys Vlasenko
text data bss dec hex filename 1001949 551 5612 1008112 f61f0 busybox_old 1001906 551 5612 1008069 f61c5 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-20gunzip: code shrink by using int-, not short-sized struct memberDenys Vlasenko
function old new delta inflate_block 1254 1253 -1 inflate_codes 629 621 -8 huft_build 1054 1008 -46 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-55) Total: -55 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-19gzip: code shrinkDenys Vlasenko
huft_build() still has way too many params function old new delta lit - 94 +94 dist - 94 +94 huft_build 1058 1054 -4 inflate_block 1281 1254 -27 cpdext 30 - -30 cplext 31 - -31 cpdist 60 - -60 cplens 62 - -62 ------------------------------------------------------------------------------ (add/remove: 2/4 grow/shrink: 0/2 up/down: 188/-214) Total: -26 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-19gzip: code shrinkDenys Vlasenko
huft_build() has way too many params function old new delta inflate_block 1293 1281 -12 huft_build 1085 1058 -27 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-39) Total: -39 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-18telnet: add disabled code to emit EC and IPDenys Vlasenko
> I'm trying to connect to a Korenix 3005 switch through telnet > for management purposes, and all is well except for the backspace character > - seems like my switch doesn't handle it too well and instead of erasing > the last character all it does is print some garbage to the screen. > I've had the same issue before while using putty, but saw a solution that > suggests to enable "Telnet special commands" in the options menu, and it > worked. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-15brctl: code shrinkDenys Vlasenko
function old new delta show_bridge 323 317 -6 brctl_main 2171 2164 -7 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-13) Total: -13 bytes text data bss dec hex filename 1002083 551 5612 1008246 f6276 busybox_old 1002065 551 5612 1008228 f6264 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-14config: PID_FILE_PATH required for FEATURE_CROND_SPECIAL_TIMESJames Byrne
When crond is built with FEATURE_CROND_SPECIAL_TIMES enabled, it creates a file called 'crond.reboot' at CONFIG_PID_FILE_PATH, but if FEATURE_PIDFILE is disabled, this will be an empty string and the file will be created in the root directory, which is undesirable. This commit makes PID_FILE_PATH depend on FEATURE_CROND_SPECIAL_TIMES as well as FEATURE_PIDFILE so that you get sensible behaviour in crond when FEATURE_PIDFILE is switched off. Signed-off-by: James Byrne <james.byrne@origamienergy.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-12brctl: tweak help text, fix commentsDenys Vlasenko
function old new delta packed_usage 33255 33236 -19 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-12brctl: fold show_bridge_ports_ into its callerDenys Vlasenko
function old new delta brctl_main 2235 2171 -64 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-12brctl: code shrinkDenys Vlasenko
packed_usage 33253 33255 +2 write_uint 96 90 -6 show_bridge_timer 93 69 -24 brctl_main 2338 2235 -103 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 2/-133) Total: -131 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-11brctl: add support for showstp commandMartin Lewis
function old new delta brctl_main 974 2339 +1365 show_bridge_timer - 93 +93 static.state_names - 48 +48 printf_xstrtou - 26 +26 packed_usage 33243 33253 +10 show_bridge 333 323 -10 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 2/1 up/down: 1542/-10) Total: 1532 bytes text data bss dec hex filename 999868 551 5612 1006031 f59cf busybox_old 1002309 551 5612 1008472 f6358 busybox_unstripped Signed-off-by: Martin Lewis <martin.lewis.x84@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-11dpkg-deb: work around bogus error message when working with XZ compressed ↵Denys Vlasenko
packages function old new delta unpack_xz_stream 2309 2317 +8 bb_full_fd_action 464 472 +8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-09replace: count_strstr - Handle an edge case where sub is emptyMartin Lewis
If sub is empty, avoids an infinite loop. function old new delta count_strstr 45 63 +18 Signed-off-by: Martin Lewis <martin.lewis.x84@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-09libbb: Converted safe_read to safe_write formatMartin Lewis
Changed safe_read to be symmetrical to safe_write, it shall never return EINTR because it calls read multiple times, the error is considered transient. function old new delta safe_read 44 57 +13 Signed-off-by: Martin Lewis <martin.lewis.x84@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-10-08runsv: Use 64 prefix syscall if we have toAlistair Francis
Some 32-bit architectures no longer have the 32-bit time_t syscalls. Instead they have suffixed syscalls that returns a 64-bit time_t. If the architecture doesn't have the non-suffixed syscall and is using a 64-bit time_t let's use the suffixed syscall instead. This fixes build issues when building for RISC-V 32-bit with 5.1+ kernel headers. If an architecture only supports the suffixed syscalls, but is still using a 32-bit time_t report a compilation error. This avoids us have to deal with converting between 64-bit and 32-bit values. There are currently no architectures where this is the case. Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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