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349718d4d7
glibc/wcsmbs
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Zack Weinberg 349718d4d7 Add __vfscanf_internal and __vfwscanf_internal with flags arguments. 
There are two flags currently defined: SCANF_LDBL_IS_DBL is the mode
used by __nldbl_ scanf variants, and SCANF_ISOC99_A is the mode used
by __isoc99_ scanf variants.  In this patch, the new functions honor
these flag bits if they're set, but they still also look at the
corresponding bits of environmental state, and callers all pass zero.

The new functions do *not* have the "errp" argument possessed by
_IO_vfscanf and _IO_vfwscanf.  All internal callers passed NULL for
that argument.  External callers could theoretically exist, so I
preserved wrappers, but they are flagged as compat symbols and they
don't preserve the three-way distinction among types of errors that
was formerly exposed.  These functions probably should have been in
the list of deprecated _IO_ symbols in 2.27 NEWS -- they're not just
aliases for vfscanf and vfwscanf.

(It was necessary to introduce ldbl_compat_symbol for _IO_vfscanf.
Please check that part of the patch very carefully, I am still not
confident I understand all of the details of ldbl-opt.)

This patch also introduces helper inlines in libio/strfile.h that
encapsulate the process of initializing an _IO_strfile object for
reading.  This allows us to call __vfscanf_internal directly from
sscanf, and __vfwscanf_internal directly from swscanf, without
duplicating the initialization code.  (Previously, they called their
v-counterparts, but that won't work if we want to control *both* C99
mode and ldbl-is-dbl mode using the flags argument to__vfscanf_internal.)
It's still a little awkward, especially for wide strfiles, but it's
much better than what we had.

Tested for powerpc and powerpc64le.
2018-12-05 18:15:42 -02:00
..
bits Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
btowc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
c16rtomb.c Handle surrogate pairs in c16rtomb (bug 23794, DR#488, C2X). 2018-10-19 16:31:29 +00:00
c32rtomb.c Stop c32rtomb and mbrtoc32 aliasing wcrtomb and mbrtowc (bug 23793). 2018-10-22 14:52:14 +00:00
Depend Update. 2000-09-06 22:15:07 +00:00
isoc99_fwscanf.c Add __vfscanf_internal and __vfwscanf_internal with flags arguments. 2018-12-05 18:15:42 -02:00
isoc99_swscanf.c Add __vfscanf_internal and __vfwscanf_internal with flags arguments. 2018-12-05 18:15:42 -02:00
isoc99_vfwscanf.c Add __vfscanf_internal and __vfwscanf_internal with flags arguments. 2018-12-05 18:15:42 -02:00
isoc99_vswscanf.c Add __vfscanf_internal and __vfwscanf_internal with flags arguments. 2018-12-05 18:15:42 -02:00
isoc99_vwscanf.c Add __vfscanf_internal and __vfwscanf_internal with flags arguments. 2018-12-05 18:15:42 -02:00
isoc99_wscanf.c Add __vfscanf_internal and __vfwscanf_internal with flags arguments. 2018-12-05 18:15:42 -02:00
Makefile Stop c32rtomb and mbrtoc32 aliasing wcrtomb and mbrtowc (bug 23793). 2018-10-22 14:52:14 +00:00
mbrlen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mbrtoc16.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mbrtoc32.c Stop c32rtomb and mbrtoc32 aliasing wcrtomb and mbrtowc (bug 23793). 2018-10-22 14:52:14 +00:00
mbrtowc.c Stop c32rtomb and mbrtoc32 aliasing wcrtomb and mbrtowc (bug 23793). 2018-10-22 14:52:14 +00:00
mbsinit.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mbsnrtowcs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mbsrtowcs_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mbsrtowcs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-char-types.c Define char16_t, char32_t consistently with uint_least16_t, uint_least32_t (bug 17979). 2018-02-07 20:33:55 +00:00
test-wcpcpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wcpncpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wcscat.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wcschr.c Add wcschr test cases 2011-10-23 14:14:26 -04:00
test-wcschrnul.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wcscmp.c Move wide char tests to wcsmbs directory 2011-09-08 18:01:07 -04:00
test-wcscpy.c Add tests for wcsrchr and wcscpy 2011-12-17 14:14:58 -05:00
test-wcscspn.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wcslen.c Add wcslen test cases 2011-10-23 14:11:50 -04:00
test-wcsncat.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wcsncmp.c Use correct signedness in wcsncmp 2015-04-13 21:25:04 +02:00
test-wcsncpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wcsnlen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wcspbrk.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wcsrchr.c Add tests for wcsrchr and wcscpy 2011-12-17 14:14:58 -05:00
test-wcsspn.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wmemchr.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test-wmemcmp.c Move wide char tests to wcsmbs directory 2011-09-08 18:01:07 -04:00
test-wmemset.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-btowc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-c16-surrogate.c Handle surrogate pairs in c16rtomb (bug 23794, DR#488, C2X). 2018-10-19 16:31:29 +00:00
tst-c16c32-1.c Add #include <stdint.h> for uint[32|64]_t usage (except installed headers). 2013-05-16 11:32:54 -05:00
tst-c32-state.c Stop c32rtomb and mbrtoc32 aliasing wcrtomb and mbrtowc (bug 23793). 2018-10-22 14:52:14 +00:00
tst-fgetwc-after-eof.c [BZ 1190] Make EOF sticky in stdio. 2018-03-13 08:31:56 -04:00
tst-mbrtowc2.c Prefer https for Sourceware links 2017-11-16 11:49:26 +05:30
tst-mbrtowc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-mbsrtowcs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-wchar-h.c Update wcsmbs tests to use the support test driver 2017-04-04 18:05:20 -03:00
tst-wcpncpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-wcrtomb.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-wcsnlen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-wcstod-nan-locale.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-wcstod-nan-sign.c Add tests for sign of NaN returned by strtod (bug 23007). 2018-06-15 17:36:21 +00:00
tst-wcstod-round.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-wcstof.c Update wcsmbs tests to use the support test driver 2017-04-04 18:05:20 -03:00
tst-wcstol-locale.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
uchar.h Define char16_t, char32_t consistently with uint_least16_t, uint_least32_t (bug 17979). 2018-02-07 20:33:55 +00:00
Versions Add _Float32 function aliases. 2017-12-07 00:48:31 +00:00
wchar.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcpcpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcpncpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcrtomb.c Stop c32rtomb and mbrtoc32 aliasing wcrtomb and mbrtowc (bug 23793). 2018-10-22 14:52:14 +00:00
wcsatcliff.c Fix handling of tail bytes of buffer in SSE2/SSSE3 x86-64 version strn{,case}cmp 2010-10-03 22:10:30 -04:00
wcscasecmp_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcscasecmp.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcscat.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcschr.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcschrnul.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcscmp.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcscoll_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcscoll.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcscpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcscspn.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsdup.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcslen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsmbs-tst1.c Add dependencies on needed locales in each subdir tests (bug 18969) 2015-10-12 15:18:08 +02:00
wcsmbsload.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsmbsload.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsncase_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsncase.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsncat.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsncmp.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsncpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsnlen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsnrtombs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcspbrk.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsrchr.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsrtombs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsspn.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsstr.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstod_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstod_nan.c math: Merge strtod_nan_*.h into math-type-macros-*.h 2018-05-16 06:03:08 +02:00
wcstod.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstof_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstof_nan.c math: Merge strtod_nan_*.h into math-type-macros-*.h 2018-05-16 06:03:08 +02:00
wcstof.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstok.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstol_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstol.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstold_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstold_nan.c math: Merge strtod_nan_*.h into math-type-macros-*.h 2018-05-16 06:03:08 +02:00
wcstold.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstoll_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstoll.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstoul_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstoul.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstoull_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcstoull.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcswidth.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsxfrm_l.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcsxfrm.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wctob.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcwidth.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wcwidth.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wmemchr.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wmemcmp.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wmemcpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wmemmove.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wmempcpy.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
wmemset.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00