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glibc/libio
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Xi Ruoyao 64b1a44183 libio: Add nonnull attribute for most FILE * arguments in stdio.h 
During the review of a GCC analyzer test case, we found most stdio
functions accepting a FILE * argument expect it to be nonnull and just
segfault when the argument is NULL.  Add nonnull attribute for them.

fflush and fflush_unlocked are well defined when __stream is NULL so
they are not touched.

For fputs, fgets, fread, fwrite, fprintf, vfprintf, and their unlocked
version, if __stream is empty but there is nothing to read or write,
they did not segfault.  But the standard disallow __stream to be empty
here, so nonnull attribute is also added for them.  Note that this may
blow up some old code already subtly broken.

Also add __nonnull for _chk variants and __fortify_function versions for
them.

Signed-off-by: Xi Ruoyao <xry111@xry111.site>
Reviewed-by: Alejandro Colomar <alx@kernel.org>
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-09-26 20:11:38 -04:00
..
bits
libio: Add nonnull attribute for most FILE * arguments in stdio.h
2023-09-26 20:11:38 -04:00
__fbufsize.c
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2023-01-06 21:14:39 +00:00
__flbf.c
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__fpending.c
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__fpurge.c
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__freadable.c
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__freading.c
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__fsetlocking.c
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__fwritable.c
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__fwriting.c
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2023-01-06 21:14:39 +00:00
bug-fopena+.c
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bug-fseek.c
tests: replace fread by xfread
2023-06-13 19:59:08 -04:00
bug-ftell.c
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bug-memstream1.c
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bug-mmap-fflush.c
tests: replace system by xsystem
2023-06-19 09:15:05 -04:00
bug-rewind2.c
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bug-rewind.c
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bug-ungetc2.c
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bug-ungetc3.c
tests: replace write by xwrite
2023-06-01 12:40:05 -04:00
bug-ungetc4.c
tests: replace write by xwrite
2023-06-01 12:40:05 -04:00
bug-ungetc.c
tests: replace write by xwrite
2023-06-01 12:40:05 -04:00
bug-ungetwc1.c
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bug-ungetwc2.c
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bug-wfflush.c
tests: replace write by xwrite
2023-06-01 12:40:05 -04:00
bug-wmemstream1.c
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bug-wsetpos.c
tests: replace write by xwrite
2023-06-01 12:40:05 -04:00
clearerr_u.c
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clearerr.c
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2023-01-06 21:14:39 +00:00
Depend
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fcloseall.c
Move libc_freeres_ptrs and libc_subfreeres to hidden/weak functions
2023-03-27 13:57:55 -03:00
feof_u.c
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feof.c
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ferror_u.c
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ferror.c
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filedoalloc.c
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2023-01-06 21:14:39 +00:00
fileno.c
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2023-01-06 21:14:39 +00:00
fileops.c
fileops: Don't process ,ccs= as individual mode flags (BZ#18906)
2023-07-05 21:24:06 +00:00
fmemopen.c
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2023-01-06 21:14:39 +00:00
fputc_u.c
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fputc.c
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fputwc_u.c
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fputwc.c
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freopen64.c
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freopen.c
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2023-01-06 21:14:39 +00:00
fseek.c
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2023-01-06 21:14:39 +00:00
fseeko64.c
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2023-01-06 21:14:39 +00:00
fseeko.c
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2023-01-06 21:14:39 +00:00
ftello64.c
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ftello.c
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fwide.c
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fwprintf.c
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fwscanf.c
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2023-01-06 21:14:39 +00:00
genops.c
Always do locking when accessing streams (bug 15142, bug 14697)
2023-07-03 09:55:43 +02:00
getc_u.c
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2023-01-06 21:14:39 +00:00
getc.c
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getchar_u.c
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getchar.c
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2023-01-06 21:14:39 +00:00
getwc_u.c
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getwc.c
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getwchar_u.c
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getwchar.c
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2023-01-06 21:14:39 +00:00
iofclose.c
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iofdopen.c
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iofflush_u.c
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iofflush.c
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iofgetpos64.c
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iofgetpos.c
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iofgets_u.c
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iofgets.c
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iofgetws_u.c
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iofgetws.c
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iofopen64.c
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iofopen.c
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2023-01-06 21:14:39 +00:00
iofopncook.c
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00
iofputs_u.c
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iofputs.c
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iofputws_u.c
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iofputws.c
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iofread_u.c
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iofread.c
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iofsetpos64.c
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iofsetpos.c
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ioftell.c
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iofwide.c
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iofwrite_u.c
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iofwrite.c
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iogetdelim.c
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iogetline.c
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iogets.c
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iogetwline.c
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2023-01-06 21:14:39 +00:00
iolibio.h
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iopadn.c
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2023-01-06 21:14:39 +00:00
iopopen.c
system: Add "--" after "-c" for sh (BZ #28519)
2023-03-28 10:12:30 -03:00
ioputs.c
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2023-01-06 21:14:39 +00:00
ioseekoff.c
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2023-01-06 21:14:39 +00:00
ioseekpos.c
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iosetbuffer.c
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iosetvbuf.c
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2023-01-06 21:14:39 +00:00
ioungetc.c
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2023-01-06 21:14:39 +00:00
ioungetwc.c
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2023-01-06 21:14:39 +00:00
iovdprintf.c
libio: Update number of written bytes in dprintf implementation
2023-01-31 22:22:02 +01:00
iovsprintf.c
stdio-common: Handle -1 buffer size in __sprintf_chk & co (bug 30039)
2023-01-25 08:01:00 +01:00
iovsscanf.c
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iovswscanf.c
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iowpadn.c
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libc_fatal.c
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2023-01-06 21:14:39 +00:00
libio-macros.sym
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00
libio.h
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2023-01-06 21:14:39 +00:00
libioP.h
Always do locking when accessing streams (bug 15142, bug 14697)
2023-07-03 09:55:43 +02:00
Makefile
Exclude routines from fortification
2023-07-05 16:59:48 +02:00
memstream.c
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00
obprintf.c
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2023-01-06 21:14:39 +00:00
oldfileops.c
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00
oldfmemopen.c
Fix all the remaining misspellings -- BZ 25337
2023-06-02 01:39:48 +00:00
oldiofclose.c
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oldiofdopen.c
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oldiofgetpos64.c
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oldiofgetpos.c
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oldiofopen.c
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oldiofsetpos64.c
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oldiofsetpos.c
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oldiopopen.c
libio: Remove the usage of __libc_IO_vtables
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oldpclose.c
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oldstdfiles.c
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oldtmpfile.c
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pclose.c
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peekc.c
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putc_u.c
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putc.c
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putchar_u.c
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putchar.c
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putwc_u.c
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putwc.c
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putwchar_u.c
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putwchar.c
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rewind.c
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setbuf.c
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setlinebuf.c
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stdfiles.c
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stdio.c
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00
stdio.h
libio: Add nonnull attribute for most FILE * arguments in stdio.h
2023-09-26 20:11:38 -04:00
strfile.h
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00
strops.c
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00
swprintf.c
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swscanf.c
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test-fmemopen.c
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test-freopen.c
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test-freopen.sh
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tst_getwc.c
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tst_getwc.input
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tst_putwc.c
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tst_swprintf.c
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tst_swscanf.c
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tst_wprintf2.c
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tst_wprintf.c
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tst_wscanf.c
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tst_wscanf.input
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tst-atime.c
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tst-bz22415.c
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tst-bz24051.c
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tst-bz24153.c
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tst-bz24228.c
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tst-bz24228.map
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tst-bz28828.c
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tst-bz28828.input
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tst-cleanup-default-static.c
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tst-cleanup-default.c
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tst-cleanup-nostart-stop-gc-static.c
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tst-cleanup-nostart-stop-gc.c
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tst-cleanup-start-stop-gc-static.c
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tst-cleanup-start-stop-gc.c
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tst-cleanup.c
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tst-cleanup.exp
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tst-eof.c
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tst-ext2.c
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tst-ext.c
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tst-fgetc-after-eof.c
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tst-fgetwc.c
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tst-fgetwc.input
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tst-fgetws.c
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tst-fopenloc2.c
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tst-fopenloc.c
hurd: Fix tst-openloc
2023-07-20 23:42:56 +02:00
tst-fputws.c
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tst-freopen.c
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tst-fseek.c
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tst-ftell-active-handler.c
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tst-ftell-append.c
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tst-ftell-partial-wide.c
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tst-fwrite-error.c
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tst-getdelim.c
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tst-memstream1.c
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tst-memstream3.c
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tst-memstream4.c
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tst-memstream.h
Fix all the remaining misspellings -- BZ 25337
2023-06-02 01:39:48 +00:00
tst-mmap2-eofsync.c
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tst-mmap-eofsync.c
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tst-mmap-fflushsync.c
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tst-mmap-offend.c
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tst-mmap-setvbuf.c
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tst-popen1.c
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tst-setvbuf1.c
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2023-06-02 01:39:48 +00:00
tst-sprintf-chk-ub.c
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tst-sprintf-ub.c
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tst-sscanf.c
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tst-swscanf.c
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tst-ungetwc1.c
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tst-ungetwc2.c
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tst-vtables-common.c
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tst-vtables-interposed.c
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2023-06-02 01:39:48 +00:00
tst-vtables.c
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tst-wfile-sync.c
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tst-widetext.c
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tst-widetext.input
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tst-wmemstream1.c
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tst-wmemstream2.c
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tst-wmemstream3.c
Fix all the remaining misspellings -- BZ 25337
2023-06-02 01:39:48 +00:00
tst-wmemstream4.c
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tst-wmemstream5.c
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vasprintf.c
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vscanf.c
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vsnprintf.c
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vswprintf.c
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2023-01-06 21:14:39 +00:00
vtables.c
libio: Fix oversized __io_vtables
2023-09-08 23:00:04 +02:00
vwprintf.c
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vwscanf.c
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wfiledoalloc.c
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wfileops.c
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00
wgenops.c
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wmemstream.c
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00
wprintf.c
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wscanf.c
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wstrops.c
libio: Remove the usage of __libc_IO_vtables
2023-03-27 13:57:55 -03:00