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2020-12-14libbb: add and use infrastructure for fixed page size optimizationDenys Vlasenko
function old new delta procps_scan 1121 1118 -3 getpagesize 6 - -6 rpm_main 1037 1027 -10 rpm2cpio_main 120 110 -10 ptok 38 21 -17 time_main 1282 1261 -21 mkswap_main 317 278 -39 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 0/6 up/down: 0/-106) Total: -106 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-13more --help text tweaksDenys Vlasenko
function old new delta packed_usage 33545 33581 +36 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-12-13help text tweaksDenys Vlasenko
function old new delta packed_usage 33547 33545 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-11-30decrease padding: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nillyDenys Vlasenko
text data bss dec hex filename 1021236 559 5052 1026847 fab1f busybox_old 1021120 559 5052 1026731 faaab busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-11-30decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nillyDenys Vlasenko
text data bss dec hex filename 1021988 559 5052 1027599 fae0f busybox_old 1021236 559 5052 1026847 fab1f busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-11-29libbb: introduce and use msleep()Denys Vlasenko
function old new delta msleep - 45 +45 watchdog_main 271 266 -5 common_traceroute_main 3546 3530 -16 beep_main 277 248 -29 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/3 up/down: 45/-50) Total: -5 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-11-29use write_str() functions where appropriateDenys Vlasenko
function old new delta chat_main 1300 1295 -5 finalize_tty_attrs 80 70 -10 getty_main 1538 1519 -19 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-34) Total: -34 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-11-29libbb: introduce and use sleep1()Denys Vlasenko
function old new delta sleep1 - 9 +9 run_shutdown_and_kill_processes 97 95 -2 restore_state_and_exit 116 114 -2 reread_partition_table 67 65 -2 flush_buffer_cache 80 78 -2 chat_main 1302 1300 -2 timeout_main 310 307 -3 telnet_main 1235 1232 -3 stop_handler 86 83 -3 process_action 1078 1075 -3 nbdclient_main 1185 1182 -3 init_main 789 786 -3 getty_main 1541 1538 -3 do_time 410 407 -3 runsv_main 1682 1677 -5 pause_and_low_level_reboot 59 54 -5 inetd_main 1917 1911 -6 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/16 up/down: 9/-50) Total: -41 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-08-13build system: drop PLATFORM_LINUXRon Yorston
PLATFORM_LINUX is a hidden configuration option which is disabled by default and enabled at over a hundred locations for features that are deemed to be Linux specific. The only effect of PLATFORM_LINUX is to control compilation of libbb/match_fstype.c. This file is only needed by mount and umount. Remove all references to PLATFORM_LINUX and compile match_fstype.c if mount or umount is enabled. Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-07-20lsscsi: code shrinkDenys Vlasenko
function old new delta lsscsi_main 298 302 +4 get_line 56 45 -11 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 4/-11) Total: -7 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-07-11crontab: Fix -e with editors saving using renaming strategyGray Wolf
Some editors (like vim) use renaming strategy to save file. That means they save a file to some random name and then rename it to final location. The advantage is that such save is atomic. However, crontab -e holds open fd to the temporary file, meaning it never sees the changes. The temporary file needs to be re-opened after the editor terminates for the changes to properly save. Fixes #12491 Signed-off-by: Gray Wolf <wolf@wolfsden.cz> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-06-24bc: placate a "defined but not used" warningDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-06-23randomconfig fixesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-04-30mim: run scripts from a specification fileRon Yorston
mim runs scripts from a specification file which can be thought of as an extremely limited Makefile. Neither make variables nor dependencies are supported. By default the file 'Mimfile' is read. An example: hello: echo hello $1 clean: rm -rf * The command 'mim' or 'mim hello' will echo 'hello'. Unlike 'make' arguments after the first are available to the script; they don't specify additional targets. mim isn't enabled by default. Enabling it increases the size of the binary by about 500 bytes. Signed-off-by: Ron Yorston <rmy@pobox.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>
2019-10-25hdparm: placate "warning: taking the absolute value of unsigned type"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-09-12bc: Add 'U' suffix in UINT_MAX preprocessor checkKang-Che Sung
Without the 'U' unsigned suffix, gcc will throw a "integer constant is so large that it is unsigned" warning. Signed-off-by: Kang-Che Sung <explorer09@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-09-05dc: Parse error & fix out of bounds read in xc_program_printStringBrian Foley
function old new delta xc_program_print 712 735 +23 Signed-off-by: Brian Foley <bpfoley@google.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-09-05dc: Fix segfault when executing strings generated using asciifyBrian Foley
function old new delta zxc_vm_process 6884 6891 +7 Signed-off-by: Brian Foley <bpfoley@google.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-09-05dc: execute shouldn't pop if stack head is not a stringBrian Foley
This matches the behaviour of both GNU dc (as specified in its man page), and BSD dc (where stack_popstring() pops only if the head is a string.) Add a couple of tests to verify this behavior. function old new delta zxc_vm_process 6882 6884 +2 Signed-off-by: Brian Foley <bpfoley@google.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-07-02libbb: reduce the overhead of single parameter bb_error_msg() callsJames Byrne
Back in 2007, commit 0c97c9d43707 ("'simple' error message functions by Loic Grenie") introduced bb_simple_perror_msg() to allow for a lower overhead call to bb_perror_msg() when only a string was being printed with no parameters. This saves space for some CPU architectures because it avoids the overhead of a call to a variadic function. However there has never been a simple version of bb_error_msg(), and since 2007 many new calls to bb_perror_msg() have been added that only take a single parameter and so could have been using bb_simple_perror_message(). This changeset introduces 'simple' versions of bb_info_msg(), bb_error_msg(), bb_error_msg_and_die(), bb_herror_msg() and bb_herror_msg_and_die(), and replaces all calls that only take a single parameter, or use something like ("%s", arg), with calls to the corresponding 'simple' version. Since it is likely that single parameter calls to the variadic functions may be accidentally reintroduced in the future a new debugging config option WARN_SIMPLE_MSG has been introduced. This uses some macro magic which will cause any such calls to generate a warning, but this is turned off by default to avoid use of the unpleasant macros in normal circumstances. This is a large changeset due to the number of calls that have been replaced. The only files that contain changes other than simple substitution of function calls are libbb.h, libbb/herror_msg.c, libbb/verror_msg.c and libbb/xfuncs_printf.c. In miscutils/devfsd.c, networking/udhcp/common.h and util-linux/mdev.c additonal macros have been added for logging so that single parameter and multiple parameter logging variants exist. The amount of space saved varies considerably by architecture, and was found to be as follows (for 'defconfig' using GCC 7.4): Arm: -92 bytes MIPS: -52 bytes PPC: -1836 bytes x86_64: -938 bytes Note that for the MIPS architecture only an exception had to be made disabling the 'simple' calls for 'udhcp' (in networking/udhcp/common.h) because it made these files larger on MIPS. Signed-off-by: James Byrne <james.byrne@origamienergy.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-06-08bc: placate compiler warningsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-05-16dc: make 4 % 0 emit error messgaes and set result to 0Denys Vlasenko
function old new delta mod 105 136 +31 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-05-09dc: code shrinkDenys Vlasenko
function old new delta check_under 20 21 +1 print_no_pop 32 27 -5 pop 24 18 -6 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 1/-11) Total: -10 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-04-30Optionally re-introduce bb_info_msg()James Byrne
Between Busybox 1.24.2 and 1.25.0 the bb_info_msg() function was eliminated and calls to it changed to be bb_error_msg(). The downside of this is that daemons now log all messages to syslog at the LOG_ERR level which makes it hard to filter errors from informational messages. This change optionally re-introduces bb_info_msg(), controlled by a new option FEATURE_SYSLOG_INFO, restores all the calls to bb_info_msg() that were removed (only in applets that set logmode to LOGMODE_SYSLOG or LOGMODE_BOTH), and also changes informational messages in ifplugd and ntpd. The code size change of this is as follows (using 'defconfig' on x86_64 with gcc 7.3.0-27ubuntu1~18.04) function old new delta bb_info_msg - 182 +182 bb_vinfo_msg - 27 +27 static.log7 194 198 +4 log8 190 191 +1 log5 190 191 +1 crondlog 45 - -45 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 3/0 up/down: 215/-45) Total: 170 bytes If you don't care about everything being logged at LOG_ERR level then when FEATURE_SYSLOG_INFO is disabled Busybox actually gets smaller: function old new delta static.log7 194 200 +6 log8 190 193 +3 log5 190 193 +3 syslog_level 1 - -1 bb_verror_msg 583 581 -2 crondlog 45 - -45 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 3/1 up/down: 12/-48) Total: -36 bytes Signed-off-by: James Byrne <james.byrne@origamienergy.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-03-30man: add "/usr/share/man" as another default MANPATH, fix col overrideDenys Vlasenko
function old new delta static.mpl - 12 +12 packed_usage 33307 33316 +9 man_main 857 851 -6 add_MANPATH 148 138 -10 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/2 up/down: 21/-16) Total: 5 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-03-26man: don't skip default path which appears in config fileRon Yorston
If the MANPATH environment variable isn't set a provisional default path of /usr/man is placed in man_path_list. This is only used if a configuration file doesn't contain an alternative path. If a configuration file lists the default path first: MANPATH /usr/man:/usr/share/man add_MANPATH() sees that the default entry is already present and skips it. As a result man_path_list only contains the second and subsequent components of the configured MANPATH. In such cases the path should not be skipped. function old new delta add_MANPATH 170 183 +13 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 13/0) Total: 13 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-03-26ts: do call localtime() when neither -s nor -i specifiedDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-03-26ts: use gettimeofday - we don't use nanoseconds hereDenys Vlasenko
function old new delta ts_main 398 376 -22 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-03-26ts: replace overlapping strcpy with shorter codeDenys Vlasenko
function old new delta ts_main 401 398 -3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-03-26ts: fix incorrect (copy-pasted) copyright attributionDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-03-26ts: new appletDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-03-17do not duplicate CONFIG_PID_FILE_PATH and ".pid" stringsDenys Vlasenko
text data bss dec hex filename 981737 485 7296 989518 f194e busybox_old 981704 485 7296 989485 f192d busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-02-11i2c_tools.c: i2ctransferNikolaus Voss
Call i2c_set_slave_addr() unconditionally as busy checking is skipped depending on force argument. Clarify usage texts for -f and -a flags. Signed-off-by: Nikolaus Voss <nv@vosn.de> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-02-10i2ctransfer: new appletNikolaus Voss
i2ctransfer sends and receives user defined i2c messages v2: apply Xabier's comments: add -a option, don't decrement argc, use bb_show_usage() and xzalloc() v3: fix possible out of bound access to msgs[nmsgs] Reviewed-by: Xabier Oneca -- xOneca <xoneca@gmail.com> Signed-off-by: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-25bc: implement pass-by-reference code from upstreamDenys Vlasenko
function old new delta zxc_program_popResultAndCopyToVar 298 493 +195 bc_vec_pushIndex - 75 +75 zxc_vm_process 859 928 +69 xc_program_dereference - 66 +66 bc_vec_npush - 65 +65 zbc_num_s 239 249 +10 zxc_program_num 1024 1032 +8 zbc_num_divmod 150 156 +6 xc_program_search 143 146 +3 zxc_program_assign 392 389 -3 zdc_program_execStr 520 517 -3 xc_program_pushVar 198 195 -3 zxc_program_exec 4101 4092 -9 zbc_program_call 318 308 -10 zbc_func_insert 120 104 -16 zbc_parse_stmt_possibly_auto 1460 1439 -21 bc_vec_push 53 12 -41 xc_parse_pushIndex 61 18 -43 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 6/9 up/down: 497/-149) Total: 348 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-09bc: code shrinkDenys Vlasenko
function old new delta xc_parse_pushInst_and_Index - 16 +16 zbc_parse_expr 1818 1816 -2 xc_parse_pushIndex 65 61 -4 zbc_parse_pushSTR 63 58 -5 zbc_parse_name 448 442 -6 xc_parse_pushNUM 74 67 -7 zdc_parse_expr 479 470 -9 bc_parse_pushJUMP_ZERO 21 12 -9 bc_parse_pushJUMP 21 12 -9 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/8 up/down: 16/-51) Total: -35 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-08bc: remove "empty expression" check/message, parsing fails in these cases anywayDenys Vlasenko
function old new delta zbc_parse_expr 1848 1818 -30 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-08bc: zbc_parse_expr_empty_ok() is unused except by zbc_parse_expr(), fold it inDenys Vlasenko
function old new delta zbc_parse_expr 1865 1848 -17 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-08bc: disallow invalid syntax like "{ print 1 print 2 }"Denys Vlasenko
statement parsing must NOT eat the terminator: caller needs to know what it was, to correctly decide whether it is a valid one. function old new delta zxc_program_read - 234 +234 zdc_program_printStream - 144 +144 zbc_parse_stmt_possibly_auto 1413 1460 +47 zxc_vm_process 869 859 -10 zxc_program_exec 4116 4101 -15 zdc_program_asciify 368 - -368 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 1/2 up/down: 425/-393) Total: 32 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-07sleep: support "inf"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-04bc: shorten "limits" outputDenys Vlasenko
text data bss dec hex filename 979016 485 7296 986797 f0ead busybox_old 978959 485 7296 986740 f0e74 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-04bc: formatting changes, added a FIXME comment, no logic changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-04bc: support void functions (GNU compat)Denys Vlasenko
function old new delta xc_program_print - 689 +689 zxc_vm_process 814 869 +55 zxc_program_exec 4098 4116 +18 zxc_program_assign 385 392 +7 bc_result_free 43 46 +3 zxc_program_binOpPrep 243 245 +2 zdc_program_execStr 518 520 +2 zxc_program_print 683 - -683 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 6/0 up/down: 776/-683) Total: 93 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-04dc: fit returning of stringDenys Vlasenko
function old new delta zxc_program_exec 4087 4098 +11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-04dc: fix '?'Denys Vlasenko
function old new delta zdc_parse_expr 470 479 +9 zxc_vm_process 839 814 -25 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 9/-25) Total: -16 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-04bc: eliminate struct BcInstPtr::results_len_before_call, it is redundantDenys Vlasenko
function old new delta zbc_program_call 332 318 -14 zxc_program_exec 4147 4087 -60 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-74) Total: -74 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-04bc: add a palceholder comment for "void" returnDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-04bc: remove extra div/0 test, remove test for string function parameterDenys Vlasenko
function old new delta zbc_program_call 354 332 -22 zxc_program_assign 426 385 -41 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-63) Total: -63 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-03bc: fix "...; return}" to work, disallow "return ()"Denys Vlasenko
function old new delta zbc_parse_expr 24 1865 +1841 zbc_parse_stmt_possibly_auto 1425 1413 -12 bc_parse_expr_empty_ok 1843 - -1843 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/1 up/down: 1841/-1855) Total: -14 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 15:16:31 +0000