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busybox/coreutils
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Ron Yorston 7105e4afdd printf: allow 0 as a flag and allow multiple flags 
The '%' character in a format specification may be followed by
one or more flags from the list "+- #0".  BusyBox printf didn't
support the '0' flag or allow multiple flags to be provided.
As a result the formats '%0*d' and '%0 d' were considered to be
invalid.

The lack of support for '0' was pointed out by Andrew Snyder on the
musl mailing list:

   https://www.openwall.com/lists/musl/2021/12/14/2

function                                             old     new   delta
printf_main                                          860     891     +31
.rodata                                            99281   99282      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 32/0)               Total: 32 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-12-17 21:13:26 +01:00
..
libcoreutils whitespace and comment format fixes, no code changes 2017-10-05 15:19:25 +02:00
basename.c basename: implement -a and -s SUFFIX 2021-09-09 23:45:13 +02:00
cat.c libbb: introduce and use fputs_stdout 2021-02-03 20:52:40 +01:00
chgrp.c *: --help tweaks 2021-06-14 20:47:20 +02:00
chmod.c libbb: eliminate a static data array in bb_mode_string() 2021-09-17 01:18:31 +02:00
chown.c *: --help tweaks 2021-06-14 20:47:20 +02:00
chroot.c make 17 state-changing execing applets (ex: "nice PROG ARGS") noexec 2017-08-04 19:55:01 +02:00
cksum.c crc32: code shrink for !CKSUM config 2021-06-22 10:24:06 +02:00
comm.c config: update size information 2018-12-28 03:20:17 +01:00
Config.src config system: move some options closer to relevalnt tool subdirectories 2021-10-12 13:23:29 +02:00
cp.c cp: fix build failure with long options disabled 2021-08-15 18:26:56 +02:00
cut.c cut: add toybox-compatible options -O OUTSEP, -D, -F LIST 2021-07-20 16:29:22 +02:00
date.c date,touch: allow timezone offsets in dates 2021-09-17 00:11:30 +02:00
dd.c dd: tweak --help 2021-08-15 23:05:30 +02:00
df.c config system: move some options closer to relevalnt tool subdirectories 2021-10-12 13:23:29 +02:00
dirname.c config: update size information 2018-12-28 03:20:17 +01:00
dos2unix.c config: update size information 2018-12-28 03:20:17 +01:00
du.c du: support -b "apparent size" 2021-06-16 17:45:28 +02:00
echo.c *: --help tweaks 2021-06-14 20:47:20 +02:00
env.c env: implement -0 2021-06-17 13:39:46 +02:00
expand.c libbb: introduce and use fputs_stdout 2021-02-03 20:52:40 +01:00
expr.c *: --help tweaks 2021-06-13 01:08:48 +02:00
factor.c factor: fix comment 2020-12-23 02:03:04 +01:00
false.c config: deindent all help texts 2017-07-21 09:50:55 +02:00
fold.c *: --help text tweaks 2021-04-14 15:15:45 +02:00
head.c head,tail: trim --help text 2021-06-02 04:01:10 +02:00
hostid.c config: update size information 2018-12-28 03:20:17 +01:00
id_test.sh id: coreutils compat by Tito + test script 2008-10-29 00:27:31 +00:00
id.c *: --help tweaks 2021-06-14 20:47:20 +02:00
install.c libbb: reduce the overhead of single parameter bb_error_msg() calls 2019-07-02 11:35:03 +02:00
Kbuild.src shells: make hush test optional, rename ASH_BUILTIN_foo -> ASH_foo 2017-01-10 15:13:30 +01:00
link.c config: update size information 2018-12-28 03:20:17 +01:00
ln.c help text: replace [OPTIONS] with actual options (if not too long) 2020-12-13 22:34:05 +01:00
logname.c libbb: reduce the overhead of single parameter bb_error_msg() calls 2019-07-02 11:35:03 +02:00
ls.c libbb: clarify what bb_mode_string() generates 2021-09-17 17:10:38 +02:00
md5_sha1_sum.c sha3sum: fix --help: -a does not depend on FEATURE_MD5_SHA1_SUM_CHECK 2020-11-27 15:55:46 +01:00
mkdir.c help text tweaks 2020-12-13 19:04:19 +01:00
mkfifo.c config: update size information 2018-12-28 03:20:17 +01:00
mknod.c Fix mknod compilation on the FreeBSD 2021-01-04 13:28:28 +01:00
mktemp.c mktemp: add --tmpdir option 2021-10-08 21:02:56 +02:00
mv.c cp,mv: fix -t DIR option 2021-06-25 00:23:29 +02:00
nice.c config: update size information 2018-12-28 03:20:17 +01:00
nl.c nl: ensure '-b n' option displays file content 2021-02-02 17:37:41 +01:00
nohup.c whitespace and comment format fixes, no code changes 2017-10-05 15:19:25 +02:00
nproc.c nproc: code shrink 2021-06-24 13:47:49 +02:00
od_bloaty.c libbb: introduce and use fputs_stdout 2021-02-03 20:52:40 +01:00
od.c do not use `a' quoting style in comments 2017-08-02 14:26:33 +02:00
paste.c libbb: introduce and use fputs_stdout 2021-02-03 20:52:40 +01:00
printenv.c config: update size information 2018-12-28 03:20:17 +01:00
printf.c printf: allow 0 as a flag and allow multiple flags 2021-12-17 21:13:26 +01:00
pwd.c config: update size information 2018-12-28 03:20:17 +01:00
readlink.c config: update size information 2018-12-28 03:20:17 +01:00
realpath.c *: --help text tweaks 2021-04-14 15:15:45 +02:00
rm.c libbb: reduce the overhead of single parameter bb_error_msg() calls 2019-07-02 11:35:03 +02:00
rmdir.c help text tweaks 2020-12-13 19:04:19 +01:00
seq.c config: update size information 2018-12-28 03:20:17 +01:00
shred.c shred: with -u, unlink file even if it is zero length 2021-06-20 13:48:21 +02:00
shuf.c shuf: add a TODO, code shrink 2021-09-07 22:51:42 +02:00
sleep.c timeout,top,watch,ping: parse NN.N fractional duration in locales with other separators 2021-03-23 13:50:02 +01:00
sort.c uniq: support -z 2021-06-17 00:36:13 +02:00
split.c decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly 2020-11-30 13:03:03 +01:00
stat.c libbb: eliminate a static data array in bb_mode_string() 2021-09-17 01:18:31 +02:00
stty.c libbb: introduce and use fputs_stdout 2021-02-03 20:52:40 +01:00
sum.c config: update size information 2018-12-28 03:20:17 +01:00
sync.c fsync,sync: merge into one source module 2019-04-02 14:55:29 +02:00
tac.c config: update size information 2018-12-28 03:20:17 +01:00
tail.c tail: do not lose the tail of old file if new file (-F) is detected 2021-06-02 05:17:44 +02:00
tee.c tee: do not intercept SIGPIPE 2019-10-07 14:25:45 +02:00
test_ptr_hack.c *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
test.c Make const ptr assign as function call in clang 2021-10-09 22:30:45 +02:00
timeout.c help text tweaks 2020-12-18 04:12:51 +01:00
touch.c date,touch: allow timezone offsets in dates 2021-09-17 00:11:30 +02:00
tr.c libbb: reduce the overhead of single parameter bb_error_msg() calls 2019-07-02 11:35:03 +02:00
true.c config: deindent all help texts 2017-07-21 09:50:55 +02:00
truncate.c *: --help text tweaks 2021-04-14 15:15:45 +02:00
tty.c *: more --help tweaks, mostly expanding ts --help 2021-06-13 03:12:09 +02:00
uname.c *: more --help tweaks, mostly expanding ts --help 2021-06-13 03:12:09 +02:00
uniq.c uniq: really support -z 2021-06-24 23:37:06 +02:00
unlink.c config: update size information 2018-12-28 03:20:17 +01:00
usleep.c config: update size information 2018-12-28 03:20:17 +01:00
uudecode.c uudecode: special-case "/dev/stdout", closes 14241 2021-12-12 00:34:15 +01:00
uuencode.c libbb: reduce the overhead of single parameter bb_error_msg() calls 2019-07-02 11:35:03 +02:00
wc.c *: --help text tweaks 2021-04-14 15:15:45 +02:00
who.c *: more --help tweaks 2021-06-15 10:00:18 +02:00
whoami.c config: update size information 2018-12-28 03:20:17 +01:00
yes.c *: more --help tweaks, mostly expanding ts --help 2021-06-13 03:12:09 +02:00