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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>
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>
2018-07-31sendfile: code shrinkDenys Vlasenko
function old new delta printstr_base64 - 22 +22 printbuf_base64 - 11 +11 printfile_base64 - 9 +9 makemime_main 305 294 -11 encode_n_base64 236 223 -13 sendmail_main 1380 1366 -14 encode_base64 36 - -36 ------------------------------------------------------------------------------ (add/remove: 3/1 grow/shrink: 0/3 up/down: 42/-74) Total: -32 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-07-31sendmail: support AUTH PLAIN in addition to AUTH LOGINRaffaello D. Di Napoli
Implement the -am argument to allow choosing an AUTH method. For now only PLAIN and LOGIN are supported, but others can be added easily in the future. AUTH PLAIN required adding a new variant of encode_base64() capable of handling NUL characters in the input string; the old function is now a wrapper for the newer one. function old new delta encode_n_base64 - 236 +236 sendmail_main 1199 1380 +181 packed_usage 32873 32877 +4 encode_base64 242 36 -206 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/1 up/down: 421/-206) Total: 215 bytes Signed-off-by: Raffaello D. Di Napoli <rafdev@dinapo.li> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-04-07libbb: switch bb_ask_noecho() to "mallocing" string return APIDenys Vlasenko
function old new delta bb_ask_noecho 313 330 +17 get_cred_or_die 125 115 -10 passwd_main 995 958 -37 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 17/-47) Total: -30 bytes 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>
2017-08-16*: stop using atexit in non-debug build: saves ~260 in bss with muslDenys Vlasenko
"builtin" below is atexit's 32-element global array of functions to call. function old new delta top_main 879 889 +10 launch_helper 185 193 +8 powertop_main 1555 1559 +4 sed_main 651 650 -1 slot 4 - -4 call 4 - -4 atexit 23 - -23 kill_helper 31 - -31 __funcs_on_exit 120 - -120 __cxa_atexit 168 - -168 builtin 260 - -260 ------------------------------------------------------------------------------ (add/remove: 0/8 grow/shrink: 3/1 up/down: 22/-611) Total: -589 bytes text data bss dec hex filename 912364 563 6132 919059 e0613 busybox_old 912035 563 5844 918442 e03aa busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-07build system: -fno-builtin-printfDenys Vlasenko
Benefits are: drops reference to out-of-line putchar(), fixes a few cases of failed string merge. function old new delta i2cdump_main 1488 1502 +14 sha256_process_block64 423 433 +10 sendmail_main 1183 1185 +2 list_table 1114 1116 +2 i2cdetect_main 1235 1237 +2 fdisk_main 2852 2854 +2 builtin_type 119 121 +2 unicode_conv_to_printable2 325 324 -1 scan_recursive 380 378 -2 mkfs_minix_main 2687 2684 -3 buffer_fill_and_print 178 169 -9 putchar 152 - -152 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 7/4 up/down: 34/-167) Total: -133 bytes text data bss dec hex filename 937788 932 17676 956396 e97ec busybox_old 937564 932 17676 956172 e970c busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-11-18sendmail: stop doing -t unconditionally; makemime: generate 76 char base64 linesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-09-18sendmail: don't talk until 220 code is seen. Closes 3487Denys Vlasenko
function old new delta sendmail_main 934 939 +5 smtp_checkp 167 165 -2 packed_usage 28634 28621 -13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-05-08libbb: nonblock_safe_read->nonblock_immune_read, remove unused param of ↵Denys Vlasenko
xmalloc_reads Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-12-20mailutils/*: add verbose option to sendmail; remove -m and -j from makemimeDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-09-16move read_base64 to libbb/uuencode.cDenys Vlasenko
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-16libbb: merge mail and uudecode's base64 decodersDenys Vlasenko
function old new delta read_base64 - 378 +378 uudecode_main 306 315 +9 parse 953 958 +5 read_stduu 250 254 +4 base64_main 217 219 +2 read_base64 358 - -358 decode_base64 371 - -371 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 4/0 up/down: 398/-729) Total: -331 bytes Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-08-16*: make GNU licensing statement forms more regularDenys Vlasenko
This change retains "or later" state! No licensing _changes_ here, only form is adjusted (article, space between "GPL" and "v2" and so on). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-04*: introduce and use xfork() and xvfork()Pascal Bellard
function old new delta launch_helper 170 169 -1 setup_heredoc 312 302 -10 handle_dir_common 367 354 -13 expand_vars_to_list 2456 2443 -13 open_transformer 89 74 -15 data_extract_to_command 439 423 -16 do_ipaddr 1406 1389 -17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-85) Total: -85 bytes Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-04libbb: introduce and use BB_EXECVP_or_die()Pascal Bellard
function old new delta BB_EXECVP_or_die - 47 +47 time_main 1042 1043 +1 chrt_main 371 364 -7 ionice_main 292 282 -10 setsid_main 69 56 -13 nohup_main 236 223 -13 cttyhack_main 266 253 -13 chroot_main 94 81 -13 chpst_main 746 733 -13 timeout_main 297 279 -18 taskset_main 541 522 -19 vfork_child 67 45 -22 parse 975 953 -22 lpd_main 770 748 -22 launch_helper 192 170 -22 tcpudpsvd_main 1810 1782 -28 nice_main 190 156 -34 env_main 242 206 -36 run_command 221 174 -47 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/17 up/down: 48/-352) Total: -304 bytes Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-06-25*: make exec failure message more consistentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-02*: introduce and use ffulsh_all()Denys Vlasenko
function old new delta buffer_fill_and_print 179 196 +17 fflush_all - 9 +9 spawn 87 92 +5 rtcwake_main 455 453 -2 ... alarm_intr 93 84 -9 readcmd 1072 1062 -10 bb_ask 345 333 -12 more_main 845 832 -13 flush_stdout_stderr 42 23 -19 xfflush_stdout 27 - -27 flush_stderr 30 - -30 ------------------------------------------------------------------------------ (add/remove: 1/2 grow/shrink: 2/50 up/down: 31/-397) Total: -366 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-03-10mail.c: more robust handling of SIGCHLDDenis Vlasenko
init: more robust signal handling
2009-03-04sendmail: document and fix usage of fd #4, fix check for helper failure.Denis Vlasenko
function old new delta packed_usage 25663 25694 +31 signal_handler 191 215 +24 kill_helper 22 31 +9 launch_helper 194 184 -10 get_cred_or_die 142 129 -13 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/2 up/down: 64/-23) Total: 41 bytes
2008-12-03- add new applet mkpasswd(1)Bernhard Reutner-Fischer
function old new delta bb_ask - 355 +355 mkpasswd_main - 296 +296 .rodata 121746 121847 +101 packed_usage 24632 24689 +57 static.methods - 21 +21 gmatch 229 248 +19 bb_ask_stdin - 11 +11 applet_names 1949 1958 +9 applet_main 1172 1176 +4 sulogin_main 503 505 +2 applet_nameofs 586 588 +2 sha256_hash 329 327 -2 correct_password 208 206 -2 parse_command 1442 1439 -3 get_cred_or_die 145 141 -4 passwd_main 1054 1044 -10 bb_askpass 348 - -348 ------------------------------------------------------------------------------ (add/remove: 4/1 grow/shrink: 7/5 up/down: 877/-369) Total: 508 bytes
2008-11-06add mailutils/*Denis Vlasenko