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hush/libbb
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Ron Yorston d840c5d139 libbb: add a function to make a copy of a region of memory 
Introduce a library routine to package the idiom:

    p = xmalloc(b, n);
    memcpy(p, b, n);

and use it where possible.  The example in traceroute used xzalloc
but it didn't need to.

function                                             old     new   delta
xmemdup                                                -      32     +32
last_main                                            834     826      -8
make_device                                         2321    2311     -10
common_traceroute_main                              3698    3685     -13
readtoken1                                          3182    3168     -14
procps_scan                                         1222    1206     -16
forkchild                                            655     638     -17
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/6 up/down: 32/-78)            Total: -46 bytes

Signed-off-by: Ron Yorston <rmy@frippery.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-07-19 23:05:20 +02:00
..
appletlib.c
Removes stray empty line from code
2015-07-13 03:25:46 +02:00
ask_confirmation.c
*: make GNU licensing statement forms more regular
2010-08-16 20:14:46 +02:00
bb_askpass.c
libbb: fix bb_ask() to flush input before prompt, not after. Closes 7190
2014-07-01 13:20:22 +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
bbunit: fix WANT_TIMING compilation
2014-11-26 14:04:51 +01:00
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
compare_string_array.c
libbb: introduce and use is_prefixed_with()
2015-03-12 17:48:34 +01:00
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
sha3: make size/speed optimization decision configurable
2013-01-15 01:12:26 +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
libbb: rename execable -> executable. No code changes
2014-05-02 17:15:58 +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
*: make GNU licensing statement forms more regular
2010-08-16 20:14:46 +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
sha3: tweak comments and indentation
2014-07-30 16:26:09 +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
Make smart_ulltoa return pointer to end (allows for code shink in callers)
2013-09-06 12:53:14 +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
info_msg.c
*: make GNU licensing statement forms more regular
2010-08-16 20:14:46 +02:00
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
randomconfig fixes
2014-12-22 19:37:05 +01:00
kernel_version.c
get_linux_version_code: don't fail on Linux version strints like "3.0-foo"
2012-05-05 17:47:23 +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
libbb: introduce and use is_prefixed_with()
2015-03-12 17:48:34 +01:00
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
save 10 bytes on strings
2011-02-10 10:01:49 +01:00
missing_syscalls.c
Bionic lacks tcdrain; provide a workaround
2015-04-26 13:14:50 +02:00
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
*: whitespace fixes
2010-10-28 18:57:19 +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
*: make GNU licensing statement forms more regular
2010-08-16 20:14:46 +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
libbb: add a function to make a copy of a region of memory
2015-07-19 23:05:20 +02:00
progress.c
libbb: make warning go away
2011-03-12 02:19:50 +01:00
ptr_to_globals.c
*: make GNU licensing statement forms more regular
2010-08-16 20:14:46 +02:00
pw_encrypt_des.c
des encrypt: fix goof with NUL byte added at the end as '.'
2009-05-01 03:41:25 +02:00
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
libbb: don't die if crypt() returns NULL
2014-02-09 14:38:03 +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
systemd_support.c
typo fix
2011-02-12 01:56:25 +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
udp_io.c
Fixes for warnings in FreeBSD build
2011-08-28 05:31:49 +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
Fix compile failures
2014-05-02 07:18:55 +02:00
vfork_daemon_rexec.c
bb_daemonize_or_rexec(): add flag to double-fork; use it in start-stop-daemon
2011-11-09 19:44:37 +01:00
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: introduce and use is_prefixed_with()
2015-03-12 17:48:34 +01:00
xfunc_die.c
*: make GNU licensing statement forms more regular
2010-08-16 20:14:46 +02:00
xfuncs_printf.c
libbb: add a function to make a copy of a region of memory
2015-07-19 23:05:20 +02:00
xfuncs.c
Removes stray empty line from code
2015-07-13 03:25:46 +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>