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freebsd-nq/lib/libc/stdio
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Konstantin Belousov bafaa70b6f libc __sfvwrite(): roll back FILE buffer pointer on fflush error 
__sfvwrite() advances the pointer before calling fflush.  If fflush()
fails, it is not enough to roll back inside it, because we cannot know
how much was advanced by the caller.

Reported by:	Peter <pmc@citylink.dinoex.sub.org>
Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Fixes:	86a16ada1ea608408cec370171d9f59353e97c77
2022-03-06 10:29:51 -05:00
..
_flock_stub.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
asprintf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
clrerr.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
dprintf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fclose.3
…
fclose.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fcloseall.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fdopen.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
feof.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
ferror.3
…
ferror.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fflush.3
libc manpages: various improvements from NetBSD
2020-06-14 05:59:30 +00:00
fflush.c
__sflush(): on write error, if nothing was written, reset FILE state back
2022-01-25 17:26:05 +02:00
fgetc.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fgetln.3
fgetln(3): Add a Caveats Section
2020-06-18 13:13:04 +00:00
fgetln.c
GC a historical artifact.
2019-02-07 23:17:44 +00:00
fgetpos.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fgets.3
libc: remove gets
2019-09-01 16:12:05 +00:00
fgets.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fgetwc.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fgetwln.3
…
fgetwln.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fgetws.3
…
fgetws.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fileno.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
findfp.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
flags.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
floatio.h
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
flockfile.3
…
fmemopen.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fopen.3
libc manpages: various improvements from NetBSD
2020-06-14 05:59:30 +00:00
fopen.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fopencookie.3
fopencookie(3): declare function pointers in SYNOPSIS correctly
2017-05-23 07:15:57 +00:00
fopencookie.c
…
fprintf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fpurge.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fputc.c
libc: provide fputc_unlocked
2020-02-02 19:45:12 +00:00
fputs.3
stdio: provide _unlocked variants of fflush, fputc, fputs, fread, fwrite
2020-01-30 03:31:16 +00:00
fputs.c
stdio: provide _unlocked variants of fflush, fputc, fputs, fread, fwrite
2020-01-30 03:31:16 +00:00
fputwc.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fputws.3
…
fputws.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fread.3
stdio: provide _unlocked variants of fflush, fputc, fputs, fread, fwrite
2020-01-30 03:31:16 +00:00
fread.c
fread.c: fix undefined behavior
2022-01-16 00:43:56 +01:00
freopen.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fscanf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fseek.3
…
fseek.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fsetpos.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
ftell.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
funopen.3
…
funopen.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fvwrite.c
libc __sfvwrite(): roll back FILE buffer pointer on fflush error
2022-03-06 10:29:51 -05:00
fvwrite.h
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fwalk.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
fwide.3
…
fwide.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fwprintf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
fwrite.c
stdio: provide _unlocked variants of fflush, fputc, fputs, fread, fwrite
2020-01-30 03:31:16 +00:00
fwscanf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
getc.3
Add HISTORY section to getc(3)
2020-04-10 09:37:20 +00:00
getc.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
getchar.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
getdelim.c
getdelim(3): Fix losing data on [EAGAIN]
2021-09-02 11:26:26 -07:00
getline.3
…
getline.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
gets_s.c
Conform to Berne Convention.
2018-05-19 21:26:07 +00:00
gets.c
libc: remove gets
2019-09-01 16:12:05 +00:00
getw.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
getwc.3
Note some functions that appeared in First Edition Unix
2020-04-01 22:50:41 +00:00
getwc.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
getwchar.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
glue.h
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
local.h
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
makebuf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
Makefile.inc
stdio: provide _unlocked variants of fflush, fputc, fputs, fread, fwrite
2020-01-30 03:31:16 +00:00
mktemp.3
Add mkostempsat(3).
2019-07-29 19:02:16 +00:00
mktemp.c
libc: try to skip memcpy in _gettemp
2021-01-24 11:06:36 +00:00
open_memstream.3
open_memstream(3): fix typo
2021-04-28 12:18:25 +03:00
open_memstream.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
open_wmemstream.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
perror.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
printf_l.3
…
printf-pos.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
printf.3
Implement printf(3) family %m format string extension.
2018-05-22 11:05:40 +00:00
printf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
printfcommon.h
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
printflocal.h
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
putc.3
stdio: provide _unlocked variants of fflush, fputc, fputs, fread, fwrite
2020-01-30 03:31:16 +00:00
putc.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
putchar.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
puts.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
putw.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
putwc.3
…
putwc.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
putwchar.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
refill.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
remove.3
…
remove.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
rewind.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
rget.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
scanf_l.3
…
scanf.3
…
scanf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
setbuf.3
libc manpages: various improvements from NetBSD
2020-06-14 05:59:30 +00:00
setbuf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
setbuffer.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
setvbuf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
snprintf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
sprintf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
sscanf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
stdio.3
libc: remove gets
2019-09-01 16:12:05 +00:00
stdio.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
swprintf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
swscanf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
Symbol.map
libc: provide fputc_unlocked
2020-02-02 19:45:12 +00:00
tempnam.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
tmpfile.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
tmpnam.3
tmpnam(3): Also mention tmpfile in the ENVIRONMENT section
2020-08-07 16:20:07 +00:00
tmpnam.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
ungetc.3
…
ungetc.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
ungetwc.3
…
ungetwc.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
vasprintf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
vdprintf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
vfprintf.c
Implement printf(3) family %m format string extension.
2018-05-22 11:05:40 +00:00
vfscanf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
vfwprintf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
vfwscanf.c
libc/stdio/vfwscanf.c::convert_wstring(): wcp0 is write-only
2021-11-29 17:39:51 +02:00
vprintf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
vscanf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
vsnprintf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
vsprintf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
vsscanf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
vswprintf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
vswscanf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
vwprintf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
vwscanf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
wbuf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
wprintf.3
…
wprintf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
wscanf.3
…
wscanf.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
wsetup.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
xprintf_errno.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
xprintf_float.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
xprintf_hexdump.c
Truncate negative lengths to zero
2017-11-27 09:57:37 +00:00
xprintf_int.c
__printf_render_int(): small type change to match use.
2018-02-23 01:11:57 +00:00
xprintf_quote.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
xprintf_str.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
xprintf_time.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00
xprintf_vis.c
libc: further adoption of SPDX licensing ID tags.
2017-11-25 17:12:48 +00:00
xprintf.c
General further adoption of SPDX licensing ID tags.
2017-11-20 19:49:47 +00:00