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busybox/libbb
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Denys Vlasenko e6a2f4cc5a libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it 
The config item is FEATURE_USE_BSS_TAIL. When it is off (default):

function                                             old     new   delta
read_config                                          210     228     +18
doCommands                                          2279    2294     +15
ipneigh_list_or_flush                                763     772      +9
ipaddr_list_or_flush                                1256    1261      +5
display_process_list                                1301    1306      +5
conspy_main                                         1378    1383      +5
do_lzo_compress                                      352     355      +3
do_lzo_decompress                                    565     567      +2
push                                                  46      44      -2
inetd_main                                          2136    2134      -2
uevent_main                                          421     418      -3
addLines                                              97      92      -5
bb_common_bufsiz1                                   8193    1024   -7169
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 8/5 up/down: 62/-7181)        Total: -7119 bytes
   text	   data	    bss	    dec	    hex	filename
 829850	   4086	   9080	 843016	  cdd08	busybox_old
 829901	   4086	   1904	 835891	  cc133	busybox_unstripped

FEATURE_USE_BSS_TAIL=y:

read_config                                          210     228     +18
doCommands                                          2279    2294     +15
ipneigh_list_or_flush                                763     772      +9
ipaddr_list_or_flush                                1256    1261      +5
display_process_list                                1301    1306      +5
conspy_main                                         1378    1383      +5
do_lzo_compress                                      352     355      +3
do_lzo_decompress                                    565     567      +2
inetd_main                                          2136    2134      -2
bb_common_bufsiz1                                   8193       -   -8193
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 8/1 up/down: 62/-8195)        Total: -8133 bytes
   text	   data	    bss	    dec	    hex	filename
 829850	   4086	   9080	 843016	  cdd08	busybox_old
 829911	   4086	    880	 834877	  cbd3d	busybox_unstripped

FIXME: setup_common_bufsiz() calls are missing.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-21 17:39:11 +02:00
..
appletlib.c Rewrite iteration through applet names to save a few bytes 2016-04-15 22:13:51 +02:00
ask_confirmation.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
auto_string.c libbb: auto_string() for efficient handling of temporary malloced stirngs 2015-10-09 17:59:56 +02:00
bb_askpass.c use auto_string() where appropriate to kill a few statics 2015-10-09 18:16:40 +02:00
bb_bswap_64.c *: deinline SWAP_xE64 on 32-bit CPUs. Wins !90 bytes both on 32 and 64 bits 2010-10-18 11:40:26 +02:00
bb_do_delay.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
bb_pwd.c libpwdgrp: rewritten to use malloced implementation 2015-01-02 21:37:59 +01:00
bb_qsort.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
bb_strtod.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
bb_strtonum.c libbb/bb_strtonum: always set end ptr, even on error return 2011-12-22 13:00:32 +01:00
bbunit.c unit-tests: remove code depending on WANT_TIMING 2015-08-17 17:01:49 +02:00
change_identity.c libbb: Enable support for !CONFIG_MULTIUSER 2015-05-12 23:59:57 +02:00
chomp.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
common_bufsiz.c libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it 2016-04-21 17:39:11 +02:00
compare_string_array.c libbb: another unit test for is_suffixed_with 2015-09-15 23:38:01 +02:00
concat_path_file.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
concat_subpath_file.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
Config.src lineedit: FEATURE_REVERSE_SEARCH should not depend on SAVEHISTORY 2015-10-30 21:39:19 +01:00
copy_file.c Add conditional support for -v / --verbose 2014-05-19 16:23:50 +02:00
copyfd.c libbb: use sendfile() to copy data between file descriptors 2014-11-27 23:31:58 +01:00
correct_password.c ftpd: add optional support for authentication 2014-08-05 21:57:18 +02:00
crc32.c whitespace fixes 2011-02-03 00:05:48 +01:00
default_error_retval.c libbb: xfunc_error_retval can be a byte 2010-09-01 16:04:24 +02:00
device_open.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
die_if_bad_username.c die_if_bad_username: tighten up a bit 2011-08-09 04:05:13 +02:00
dump.c hexdump: don't unconditionally limit the usable address range 2013-03-27 15:15:33 +01:00
endofname.c move endofname() to libbb 2013-02-26 00:36:53 +01:00
executable.c nsenter,unshare: share common code; fix a bug of not closing all fds 2016-04-02 18:06:24 +02:00
fclose_nonstdin.c sed: open input files sequentially to avoid EMFILE 2013-11-28 03:14:16 +01:00
fflush_stdout_and_exit.c remove global "jmp_buf die_jmp" from !FEATURE_PREFER_APPLETS builds 2015-10-09 16:42:57 +02:00
fgets_str.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
find_mount_point.c find_mount_point: fix find_mount_point for char devices 2012-01-18 01:49:11 +01:00
find_pid_by_name.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
find_root_device.c plug a DIR* leak on error path 2010-12-28 10:25:03 +01:00
full_write.c *: whitespace fixes 2010-10-28 18:57:19 +02:00
get_console.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
get_cpu_count.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
get_last_path_component.c find: cater for libc w/o FNM_CASEFOLD 2011-05-23 00:40:54 +02:00
get_line_from_file.c libbb: split bb_get_chunk_from_file and bb_get_chunk_with_continuation 2011-06-17 03:37:43 +02:00
get_shell_name.c mark get_shell_name FAST_FUNC 2012-10-03 09:42:21 +02:00
get_volsize.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
getopt32.c randomconfig fixes 2011-08-10 00:51:29 +02:00
getpty.c script: make it work even if fd 0 is closed 2014-03-16 12:34:53 +01:00
hash_md5_sha.c md5sum: code shrink 2015-10-07 19:17:01 +02:00
hash_md5prime.c regularize options which control size/speed trade 2011-09-10 13:25:57 +02:00
herror_msg.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
human_readable.c du: extra compat: with -k and -m, round sizes up 2015-10-15 21:33:34 +02:00
in_ether.c Removes stray empty line from code 2015-07-13 03:25:46 +02:00
inet_cksum.c inet_cksum: big-endian fix 2011-09-08 10:59:26 +02:00
inet_common.c libbb: make INET[6]_rresolve use sockaddr2{host,dotted}_noport 2015-02-03 12:07:40 +01:00
inode_hash.c du, copy_file: fix file matching on cramfs. Closes 5456 2014-02-25 15:27:58 +01:00
isdirectory.c libbb: remove is_directory's argument which is always NULL 2011-12-18 03:27:46 +01:00
Kbuild.src udhcp: get rid of bb_info_msg() 2016-03-30 18:41:23 +02:00
kernel_version.c tidy up strtok use 2015-10-23 18:43:16 +02:00
last_char_is.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
lineedit_ptr_hack.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
lineedit.c Rewrite iteration through applet names to save a few bytes 2016-04-15 22:13:51 +02:00
llist.c main: free suid_config list after use 2011-05-16 12:21:31 +02:00
logenv.c zcip: Add environment variable for overriding log functionality 2014-11-04 12:19:04 +01:00
login.c libbb: introduce and use strftime_[YYYYMMDD]HHMMSS() 2013-03-29 12:30:33 +01:00
loop.c libbb/loop: don't try to re-use existing loop device 2015-02-07 19:13:57 +01:00
make_directory.c Add conditional support for -v / --verbose 2014-05-19 16:23:50 +02:00
makedev.c nicer looking ifdef in libbb/makedev.c 2011-01-24 23:53:12 +01:00
match_fstype.c libbb: introduce and use is_prefixed_with() 2015-03-12 17:48:34 +01:00
messages.c libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it 2016-04-21 17:39:11 +02:00
missing_syscalls.c Resolve linker issues with Android API 21 (dprintf, tcdrain) 2015-12-17 16:42:41 +01:00
mode_string.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
mtab.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
nuke_str.c fix failures found by randomconfig builds 2013-12-31 23:22:36 +01:00
obscure.c unit-tests: implement the unit-testing framework 2014-06-22 16:30:41 +02:00
parse_config.c mdev: do not treat non-leading '#' chars as start of comment. Closes 4676 2012-01-11 00:37:17 +01:00
parse_mode.c libbb: more compact API for bb_parse_mode() 2015-10-07 17:55:33 +02:00
percent_decode.c wget: URL-decode user:password before base64-encoding it into auth hdr. Closes 3625. 2011-09-11 21:04:02 +02:00
perror_msg.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
perror_nomsg_and_die.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
perror_nomsg.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
pidfile.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
platform.c Bionic lacks ttyname_r; provide a workaround 2015-04-25 21:32:48 +02:00
print_flags.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
printable_string.c libbb: auto_string() for efficient handling of temporary malloced stirngs 2015-10-09 17:59:56 +02:00
printable.c Refactor catv. Move visible() from stty to libbb. 2013-07-30 06:29:42 +02:00
process_escape_sequence.c libbb/process_escape_sequence.c: fix recently broken handling of \\ 2010-10-25 12:14:21 +02:00
procps.c pmap: fix bogus {no such process} comm field text 2015-10-24 03:45:57 +02:00
progress.c wget: if stderr is not a tty, progress bar shouldn't use tty-tricks 2015-10-23 02:01:38 +02:00
ptr_to_globals.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
pw_encrypt_des.c
pw_encrypt_md5.c fix assorted unused code and wrong format specs found by cppchekc (bug 6716) 2013-11-29 16:43:33 +01:00
pw_encrypt_sha.c libbb/pw_encrypt_sha: forgot to move &ctx to 1st param here in sha hash rework 2010-12-01 13:57:25 +01:00
pw_encrypt.c chpasswd: support -c argument and respect DEFAULT_PASSWD_ALGO 2015-12-18 19:01:14 +01:00
read_key.c Add comments in keyboard escape sequences table 2012-06-11 14:40:17 +02:00
read_printf.c libbb: remove unnecessary argument to nonblock_immune_read 2015-04-20 13:41:32 +02:00
read.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
README *: trailing empty lines removed 2010-07-26 01:49:12 +02:00
recursive_action.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
remove_file.c Add conditional support for -v / --verbose 2014-05-19 16:23:50 +02:00
replace.c xargs: add support for -I and -i. Closes 493 2014-02-27 11:17:06 +01:00
rtc.c libbb: introduce and use is_prefixed_with() 2015-03-12 17:48:34 +01:00
run_shell.c *: s/"/bin/sh"/DEFAULT_SHELL, run_shell() API fix, remove unneeded strdup 2010-06-27 03:23:31 +02:00
safe_gethostname.c sendmail: use host rather than NIS domain name for HELO 2012-04-28 17:04:19 +02:00
safe_poll.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
safe_strncpy.c klogd: do not log partial lines 2010-10-19 23:07:49 +02:00
safe_write.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
selinux_common.c whitespace cleanup. no code changes 2013-01-14 15:57:44 +01:00
setup_environment.c su: do not change to home dir unless -l 2012-06-12 13:21:02 +02:00
signals.c libbb: correctness/size tweaks in signal-related helpers 2012-09-27 13:20:34 +02:00
simplify_path.c whitespace cleanup 2010-10-29 11:46:52 +02:00
single_argv.c basename,dirname,freeramdisk,rx,raidautorun,runsv,chvt: skip "--" argument 2011-04-11 03:58:30 +02:00
skip_whitespace.c libbb: introduce and use is_prefixed_with() 2015-03-12 17:48:34 +01:00
speed_table.c libbb: FreeBSD fix for B<num> baud rate constants not fitting into a short. 2014-01-08 15:25:20 +01:00
str_tolower.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
strrstr.c unit-tests: implement the unit-testing framework 2014-06-22 16:30:41 +02:00
sysconf.c libbb: add sanity check in bb_arg_max() 2014-12-24 01:46:29 +01:00
time.c libbb: fix parsing of "10101010" date/time form 2014-01-21 07:58:18 +01:00
trim.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
u_signal_names.c kill[all[5]],pkill: make signal list show signal numbers, and show RTMIN/MAX 2011-01-03 13:08:58 +01:00
ubi.c whitespace and namespace cleanups 2016-04-03 22:24:51 +02:00
udp_io.c libbb: add setsockopt_foo helpers 2015-08-24 20:00:17 +02:00
unicode.c lineedit: improve Unicode handling (still buggy though) 2013-08-19 16:44:05 +02:00
update_passwd.c libbb: introduce and use is_prefixed_with() 2015-03-12 17:48:34 +01:00
utmp.c *: Switch to POSIX utmpx API 2015-04-02 23:03:46 +02:00
uuencode.c libbb: shrink base64 decoding a bit 2011-10-28 16:15:00 +02:00
vdprintf.c libbb.h: remove unused defines 2011-10-24 04:06:18 +02:00
verror_msg.c libbb: speed up error_msg functions 2016-04-03 16:55:03 +02:00
vfork_daemon_rexec.c applet_tables: save space by removing applet name offsets 2016-03-30 00:44:11 +02:00
warn_ignoring_args.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
wfopen_input.c *: whitespace fixes 2010-10-28 18:57:19 +02:00
wfopen.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
write.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
xatonum_template.c whitespace fixes. no code changes 2013-01-15 13:58:01 +01:00
xatonum.c truncate: new applet 2015-03-22 17:56:38 +01:00
xconnect.c libbb: add setsockopt_foo helpers 2015-08-24 20:00:17 +02:00
xfunc_die.c remove global "jmp_buf die_jmp" from !FEATURE_PREFER_APPLETS builds 2015-10-09 16:42:57 +02:00
xfuncs_printf.c nsenter,unshare: share common code; fix a bug of not closing all fds 2016-04-02 18:06:24 +02:00
xfuncs.c libbb: two new functions: wait_for_exitstatus(pid), xfchdir(fd) 2016-04-01 22:12:44 +02:00
xgetcwd.c *: whitespace fixes 2010-10-28 18:57:19 +02:00
xgethostbyname.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
xreadlink.c libbb: fix a bad check for uclibc >= 0.9.31 2014-03-16 20:53:40 +01:00
xrealloc_vector.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
xregcomp.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00

README 

Please see the LICENSE file for copyright information (GPLv2)

libbb is BusyBox's utility library.  All of this stuff used to be stuffed into
a single file named utility.c.  When I split utility.c to create libbb, some of
the very oldest stuff ended up without their original copyright and licensing
information (which is now lost in the mists of time).  If you see something
that you wrote that is mis-attributed, do let me know so we can fix that up.

	Erik Andersen
	<andersen@codepoet.org>