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2016-04-03libbb: speed up error_msg functionsDenys Vlasenko
function old new delta bb_verror_msg 386 466 +80 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-03main(): add a TODO about finding a use for _end[] areaDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-03trylink: on failure, print a hint about CONFIG_EXTRA_LDLIBSDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-02typo fixDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-02find_applet_by_name: add an example of faster linear search codeDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-02nsenter,unshare: work around older headerDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-02sort: "-o FILE", not "-o", is the syntaxDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-02nsenter,unshare: share common code; fix a bug of not closing all fdsDenys Vlasenko
function old new delta xvfork_parent_waits_and_exits - 64 +64 exec_prog_or_SHELL - 39 +39 unshare_main 873 810 -63 nsenter_main 663 596 -67 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/2 up/down: 106/-130) Total: -27 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-02sort: help text does not need to say that -mST are supported but ignoredDenys Vlasenko
Such information is useless for users of "sort --help" Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-02build system: finer-grained selection of search speedup table.Denys Vlasenko
KNOWN_APPNAME_OFFSETS=8 versus KNOWN_APPNAME_OFFSETS=0: function old new delta find_applet_by_name 55 136 +81 applet_nameofs - 14 +14 run_applet_and_exit 757 758 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-02unshare: remove stale commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-01nsenter: new appletBartosz Golaszewski
function old new delta nsenter_main - 663 +663 .rodata 155147 155612 +465 packed_usage 30536 30708 +172 nsenter_longopts - 116 +116 open_by_path_or_target - 58 +58 applet_names 2518 2526 +8 applet_main 2920 2928 +8 ------------------------------------------------------------------------------ (add/remove: 4/0 grow/shrink: 4/0 up/down: 1490/0) Total: 1490 bytes text data bss dec hex filename 827956 4078 9080 841114 cd59a busybox_old 829214 4086 9080 842380 cda8c busybox_unstripped Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-01libbb: two new functions: wait_for_exitstatus(pid), xfchdir(fd)Denys Vlasenko
Bartosz Golaszewski proposed xfchdir() Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-01unshare: new appletBartosz Golaszewski
function old new delta unshare_main - 873 +873 .rodata 154444 155131 +687 packed_usage 30329 30520 +191 unshare_longopts - 106 +106 mount_namespaces - 99 +99 mount_or_die - 51 +51 ns_list - 48 +48 wait_for_exitstatus - 41 +41 opt_str - 17 +17 applet_names 2510 2518 +8 applet_main 2912 2920 +8 applet_suid 91 92 +1 applet_install_loc 182 183 +1 ------------------------------------------------------------------------------ (add/remove: 8/0 grow/shrink: 6/0 up/down: 2131/0) Total: 2131 bytes text data bss dec hex filename 826110 4070 9080 839260 cce5c busybox_old 827961 4078 9080 841119 cd59f busybox_unstripped Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-31Rename FEATURE_INITRD to LINUXRC and make it separate, not an alias to initDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-31make MKPASSWD a separate config option, not an automatic alias to cryptpwDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30udhcp: fix capitalization of two messagesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30dhcpd: string reuseDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30udhcp: get rid of bb_info_msg()Denys Vlasenko
function old new delta udhcpd_main 1501 1531 +30 d6_recv_raw_packet 251 264 +13 perform_d6_release 188 198 +10 udhcpc6_main 2443 2449 +6 udhcp_recv_raw_packet 582 588 +6 udhcp_recv_kernel_packet 132 138 +6 send_d6_renew 140 146 +6 d6_recv_kernel_packet 118 124 +6 send_renew 77 82 +5 send_discover 85 90 +5 send_decline 84 89 +5 send_d6_select 97 102 +5 send_d6_discover 174 179 +5 perform_release 167 172 +5 count_lines 72 74 +2 udhcpc_main 2836 2837 +1 bb_info_msg 125 - -125 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 17/4 up/down: 117/-180) Total: -63 bytes text data bss dec hex filename 924935 906 17160 943001 e6399 busybox_old 924736 906 17160 942802 e62d2 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30setfiles: switch bb_info_msg to printfDenys Vlasenko
Presumably, bb_info_msg was used here for syslog logging (-l), but there is no actual code to activate syslog logging. Added a TODO note on that, so that selinux users would notice and fix if needed. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30sulogin: use bb_error_msg instead of bb_info_msg; better messageDenys Vlasenko
Historic "System Maintenance Mode" message is a tiny bit cryptic. Let's say explicitly what we are doing: we are giving user a shell (presumably to do some maintenance in single-user mode). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30sulogin: remove suid paranoia code, explain why it's not necessaryDenys Vlasenko
function old new delta sulogin_main 325 270 -55 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30sulogin: Dorp incorrect comment about suid-nessDenys Vlasenko
Sulogin is not a suid app, should fail if run by non-root. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30fsck: use printf for message, not bb_info_msgDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30mkfs_vfat: use bb_error_msg for logging, not bb_info_msgDenys Vlasenko
This affects only a commented-out code section which searches for bad blocks Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30zcip: use bb_error_msg for logging, not bb_info_msgDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30Replace a few more bb_info_msg's by bb_error_msg or printfDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30Use bb_error_msg instead of bb_info_msg in all commented-out debug printoutsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-30applet_tables: save space by removing applet name offsetsRon Yorston
The array applet_nameofs consumes two bytes per applet. It encodes nofork/noexec flags suid flags the offset of the applet name in the applet_name string Change the applet_table build tool to store the flags in two separate arrays (applet_flags and applet_suid). Replace applet_nameofs[] with a smaller version that only stores a limited number of offsets. This requires changes to the macros APPLET_IS_NOFORK, APPLET_IS_NOEXEC and APPLET_SUID. According to Valgrind the original find_applet_by_name required 353 cycles per call, averaged over all names. Adjusting the number of known offsets allows space to be traded off against execution time: KNOWN_OFFSETS cycles bytes (wrt KNOWN_OFFSETS = 0) 0 9057 - 2 4604 32 4 2407 75 8 1342 98 16 908 130 32 884 194 This patch uses KNOWN_OFFSETS = 8. v2: Remove some dead code from the applet_table tool; Treat the applet in the middle of the table as a special case. v3: Use the middle applet to adjust the start of the linear search as well as the last applet found. v4: Use an augmented linear search in find_applet_by_name. Drop the special treatment of the middle name from get_applet_name: most of the advantage now derives from the last stored value. v5: Don't store index in applet_nameofs, it can be calculated. v6: Tweaks by Denys function old new delta find_applet_by_name 25 125 +100 applet_suid - 92 +92 run_applet_no_and_exit 452 460 +8 run_applet_and_exit 695 697 +2 applet_name_compare 31 - -31 applet_nameofs 734 14 -720 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 3/1 up/down: 202/-751) Total: -549 bytes text data bss dec hex filename 925464 906 17160 943530 e65aa busybox_old 924915 906 17160 942981 e6385 busybox_unstripped Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-29Revert "networking: properly initialize ipv6 scope id for printing it"Denys Vlasenko
This reverts commit 2fb63292f7083fb259a3f8d8ee70ef8acdaed626. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-29modprobe: skip non-.conf files only in subdirectoriesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-28umount: build fix for older glibcDenys Vlasenko
Based on a patch by Veli-Pekka Peltola <veli-pekka.peltola@ray.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-28networking: properly initialize ipv6 scope id for printing itTimo Teräs
Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-28grep: make errors other than "not found" result in exit code 2. Closes 8796Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-22ash_test: ignore generated filesMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2016-03-22ash_test: printenv: fix missing includesMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2016-03-22ash: fix corruption of ${#var} if $var contains UTF-8 charactersRon Yorston
As reported in bug 8506: $ X=abcdÉfghÍjklmnÓpqrstÚvwcyz $ echo ${#X} abcd26 The result should be 26. This regression was introduced by: <d68d1fb> 2015-05-18 [Ron Yorston] ash: code shrink around varvalue The length in characters was being used to discard the contents of the variable instead of the length in bytes. URL: https://bugs.busybox.net/8506 Reported-by: Martijn Dekker <martijn@inlv.org> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2016-03-17wget: make -T timeout work on header reads too. Closes 8636Denys Vlasenko
function old new delta set_alarm - 27 +27 fgets_and_trim 76 92 +16 wget_main 2610 2616 +6 open_socket 64 54 -10 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-15nmeter: reinstate and document -d-1Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-15nmeter: remove undocumented %NNNd specifierDenys Vlasenko
function old new delta nmeter_main 707 745 +38 init_functions 48 44 -4 init_delay 63 - -63 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/1 up/down: 38/-67) Total: -29 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-15nmeter: simple code shrink here and thereDenys Vlasenko
function old new delta nmeter_main 709 707 -2 init_cr 15 12 -3 collect_time 141 131 -10 collect_cpu 610 593 -17 init_cpu 82 63 -19 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/5 up/down: 0/-51) Total: -51 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-15nmeter: convert field list to bit listDenys Vlasenko
function old new delta rdval 34 157 +123 collect_int 123 122 -1 collect_thread_nr 65 62 -3 collect_blk 559 552 -7 collect_if 207 199 -8 collect_fork 119 111 -8 collect_ctx 119 111 -8 collect_fd 81 71 -10 collect_swp 120 107 -13 collect_cpu 623 610 -13 collect_mem 371 339 -32 rdval_loadavg 38 - -38 vrdval 170 - -170 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 1/10 up/down: 123/-311) Total: -188 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-15nmeter: code shrinkDenys Vlasenko
function old new delta put 52 43 -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-15nmeter: fix a bug with unterminated varargsDenys Vlasenko
function old new delta collect_mem 361 371 +10 collect_swp 116 120 +4 vrdval 168 170 +2 collect_thread_nr 63 65 +2 collect_int 121 123 +2 collect_if 205 207 +2 collect_fork 117 119 +2 collect_fd 79 81 +2 collect_ctx 117 119 +2 collect_cpu 621 623 +2 collect_blk 557 559 +2 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 11/0 up/down: 32/0) Total: 32 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-14New example config: android_502_defconfigDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-14more bionic fixesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-14fixes for problems found by bionic buildDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-11udhcpc: fix a warning in debug codeDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-10udhcp: fix a SEGV on malformed RFC1035-encoded domain nameDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-03-07renice: tweak help textDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>