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Update from Gnulib by running admin/merge-gnulib

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This commit is contained in:
Paul Eggert 2025-07-29 15:00:36 -07:00
parent 354f9ba754
commit 3797484608
13 changed files with 398 additions and 118 deletions
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3
lib/_Noreturn.h
View file

@ -27,7 +27,8 @@
This rare bug can be worked around by compiling with 'clang -D_Noreturn=',
though the workaround may generate many false-alarm warnings. */
#ifndef _Noreturn
# if 201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0)
# if ((!defined __cplusplus || defined __clang__) \
&& (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0)))
/* _Noreturn works as-is. */
# elif (2 < __GNUC__ + (8 <= __GNUC_MINOR__) || defined __clang__ \
|| 0x5110 <= __SUNPRO_C)

2
lib/fpending.c
View file

@ -39,7 +39,7 @@ __fpending (FILE *fp)
#if defined _IO_EOF_SEEN || defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1
/* GNU libc, BeOS, Haiku, Linux libc5 */
return fp->_IO_write_ptr - fp->_IO_write_base;
#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
#elif defined __sferror || defined __OpenBSD__ || defined __DragonFly__ || defined __ANDROID__
/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin < 1.7.34, Minix 3, Android */
return fp_->_p - fp_->_bf._base;
#elif defined __EMX__ /* emx+gcc */

10
lib/ftoastr.c
View file

@ -114,10 +114,12 @@ FTOASTR (char *buf, size_t bufsize, int flags, int width, FLOAT x)
/* The following method is simple but slow.
For ideas about speeding things up, please see:
Andrysco M, Jhala R, Lerner S. Printing floating-point numbers:
a faster, always correct method. ACM SIGPLAN notices - POPL '16.
2016;51(1):555-67 <https://doi.org/10.1145/2914770.2837654>; draft at
<https://cseweb.ucsd.edu/~lerner/papers/fp-printing-popl16.pdf>. */
Jeon J. Dragonbox: a new floating-point binary-to-decimal
conversion algorithm. 2024. <https://github.com/jk-jeon/dragonbox/>.
Used in {fmt} <https://github.com/fmtlib/fmt>.
Adams U. Ryū: fast float-to-string conversion.
PLDI 2018. 270–282. <https://doi.org/10.1145/3192366.3192369>. */
PROMOTED_FLOAT promoted_x = x;
char format[sizeof "%-+ 0*.*Lg"];

11
lib/gnulib.mk.in
View file

@ -49,6 +49,7 @@
# --avoid=iswxdigit \
# --avoid=langinfo-h \
# --avoid=libgmp-mpq \
# --avoid=localcharset \
# --avoid=locale-h \
# --avoid=localename-unsafe-limited \
# --avoid=lock \
@ -144,7 +145,7 @@
# mktime \
# nanosleep \
# nproc \
# nstrftime \
# nstrftime-limited \
# pathmax \
# pipe2 \
# pselect \
@ -2836,17 +2837,17 @@ EXTRA_DIST += nproc.h
endif
## end gnulib module nproc
## begin gnulib module nstrftime
ifeq (,$(OMIT_GNULIB_MODULE_nstrftime))
## begin gnulib module nstrftime-limited
ifeq (,$(OMIT_GNULIB_MODULE_nstrftime-limited))
libgnu_a_SOURCES += nstrftime.c
EXTRA_DIST += strftime.c strftime.h
EXTRA_DIST += calendar-ethiopian.h calendar-persian.h calendar-thai.h calendars.h strftime.c strftime.h
EXTRA_libgnu_a_SOURCES += strftime.c
endif
## end gnulib module nstrftime
## end gnulib module nstrftime-limited
## begin gnulib module open
ifeq (,$(OMIT_GNULIB_MODULE_open))

29
lib/stdio-impl.h
View file

@ -82,7 +82,7 @@
#include <errno.h> /* For detecting Plan9. */
#if defined __sferror || defined __DragonFly__ || defined __ANDROID__
#if defined __sferror || defined __OpenBSD__ || defined __DragonFly__ || defined __ANDROID__
/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
# if defined __DragonFly__ /* DragonFly */
@ -108,13 +108,15 @@
# define _flags pub._flags
# define _r pub._r
# define _w pub._w
# elif defined __ANDROID__ /* Android */
# ifdef __LP64__
# elif defined __ANDROID__ || defined __OpenBSD__ /* Android, OpenBSD */
# if defined __LP64__ && !defined __OpenBSD__
# define _gl_flags_file_t int
# else
# define _gl_flags_file_t short
# endif
# ifdef __LP64__
# if defined __OpenBSD__
# define _gl_file_offset_t fpos_t
# elif defined __LP64__
# define _gl_file_offset_t int64_t
# else
/* see https://android.googlesource.com/platform/bionic/+/master/docs/32-bit-abi.md */
@ -122,10 +124,12 @@
# endif
/* Up to this commit from 2015-10-12
<https://android.googlesource.com/platform/bionic.git/+/f0141dfab10a4b332769d52fa76631a64741297a>
the innards of FILE were public, and fp_ub could be defined like for OpenBSD,
the innards of FILE were public,
see <https://android.googlesource.com/platform/bionic.git/+/e78392637d5086384a5631ddfdfa8d7ec8326ee3/libc/stdio/fileext.h>
and <https://android.googlesource.com/platform/bionic.git/+/e78392637d5086384a5631ddfdfa8d7ec8326ee3/libc/stdio/local.h>.
After this commit, the innards of FILE are hidden. */
After this commit, the innards of FILE are hidden. Likewise for OpenBSD
up to this commit from 2025-07-16
<https://github.com/openbsd/src/commit/b7f6c2eb760a2da367dd51d539ef06f5f3553790>. */
# define fp_ ((struct { unsigned char *_p; \
int _r; \
int _w; \
@ -152,9 +156,8 @@
# define fp_ fp
# endif
# if (defined __NetBSD__ && __NetBSD_Version__ >= 105270000) || defined __OpenBSD__ || defined __minix /* NetBSD >= 1.5ZA, OpenBSD, Minix 3 */
# if (defined __NetBSD__ && __NetBSD_Version__ >= 105270000) || defined __minix /* NetBSD >= 1.5ZA, Minix 3 */
/* See <https://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/stdio/fileext.h?rev=HEAD&content-type=text/x-cvsweb-markup>
and <https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdio/fileext.h?rev=HEAD&content-type=text/x-cvsweb-markup>
and <https://github.com/Stichting-MINIX-Research-Foundation/minix/blob/master/lib/libc/stdio/fileext.h> */
struct __sfileext
{
@ -162,7 +165,7 @@
/* More fields, not relevant here. */
};
# define fp_ub ((struct __sfileext *) fp->_ext._base)->_ub
# elif defined __ANDROID__ /* Android */
# elif defined __ANDROID__ || defined __OpenBSD__ /* Android, OpenBSD */
struct __sfileext
{
struct { unsigned char *_base; size_t _size; } _ub; /* ungetc buffer */
@ -175,9 +178,11 @@
# define HASUB(fp) (fp_ub._base != NULL)
# if defined __ANDROID__ /* Android */
/* Needed after this commit from 2016-01-25
<https://android.googlesource.com/platform/bionic.git/+/e70e0e9267d069bf56a5078c99307e08a7280de7> */
# if defined __ANDROID__ || defined __OpenBSD__ /* Android, OpenBSD */
/* Needed after this Android commit from 2016-01-25
<https://android.googlesource.com/platform/bionic.git/+/e70e0e9267d069bf56a5078c99307e08a7280de7>
And after this OpenBSD commit from 2025-07-16
<https://github.com/openbsd/src/commit/b7f6c2eb760a2da367dd51d539ef06f5f3553790>. */
# ifndef __SEOF
# define __SLBF 1
# define __SNBF 2

166
lib/strftime.c
View file

@ -53,7 +53,7 @@
/* Whether to require GNU behavior for AM and PM indicators, even on
other platforms. This matters only in non-C locales.
The default is to require it; you can override this via
AC_DEFINE([REQUIRE_GNUISH_STRFTIME_AM_PM], 1) and if you do that
AC_DEFINE([REQUIRE_GNUISH_STRFTIME_AM_PM], [false]) and if you do that
you may be able to omit Gnulib's localename module and its dependencies. */
#ifndef REQUIRE_GNUISH_STRFTIME_AM_PM
# define REQUIRE_GNUISH_STRFTIME_AM_PM true
@ -63,6 +63,25 @@
# define REQUIRE_GNUISH_STRFTIME_AM_PM false
#endif
/* Whether to include support for non-Gregorian calendars (outside of the scope
of ISO C, POSIX, and glibc). This matters only in non-C locales.
The default is to include it, except on platforms where retrieving the locale
name drags in too many dependencies
(LOCALENAME_ENHANCE_LOCALE_FUNCS || !SETLOCALE_NULL_ONE_MTSAFE).
You can override this via
AC_DEFINE([SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME], [false])
and if you do that you may be able to omit Gnulib's localename module and its
dependencies. */
#ifndef SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
# define SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME true
#endif
#if defined _LIBC || (HAVE_ONLY_C_LOCALE || USE_C_LOCALE) \
|| ((defined __OpenBSD__ || defined _AIX || defined __ANDROID__) \
&& !GNULIB_NSTRFTIME)
# undef SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
# define SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME false
#endif
#if HAVE_ONLY_C_LOCALE || USE_C_LOCALE
# include "c-ctype.h"
#else
@ -78,14 +97,8 @@
C library on the various platforms (UTF-8, GB2312, GBK, CP936,
GB18030, EUC-TW, BIG5, BIG5-HKSCS, CP950, EUC-JP, EUC-KR, CP949,
SHIFT_JIS, CP932, JOHAB) are safe for formats, because the byte '%'
cannot occur in a multibyte character except in the first byte.
The DEC-HANYU encoding used on OSF/1 is not safe for formats, but
this encoding has never been seen in real-life use, so we ignore
it. */
#if !(defined __osf__ && 0)
# define MULTIBYTE_IS_FORMAT_SAFE 1
#endif
cannot occur in a multibyte character except in the first byte. */
#define MULTIBYTE_IS_FORMAT_SAFE 1
#define DO_MULTIBYTE (! MULTIBYTE_IS_FORMAT_SAFE)
#if DO_MULTIBYTE
@ -164,6 +177,16 @@ enum pad_style
((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
#endif
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
/* Support for non-Gregorian calendars. */
# include "localcharset.h"
# include "localename.h"
# include "calendars.h"
# define CAL_ARGS(x,y) x, y,
#else
# define CAL_ARGS(x,y) /* empty */
#endif
#ifdef _LIBC
# define mktime_z(tz, tm) mktime (tm)
@ -873,6 +896,8 @@ static CHAR_T const c_month_names[][sizeof "September"] =
static size_t __strftime_internal (STREAM_OR_CHAR_T *, STRFTIME_ARG (size_t)
const CHAR_T *, const struct tm *,
CAL_ARGS (const struct calendar *,
struct calendar_date *)
bool, enum pad_style, int, bool *
extra_args_spec LOCALE_PARAM);
@ -1087,9 +1112,36 @@ my_strftime (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
const CHAR_T *format,
const struct tm *tp extra_args_spec LOCALE_PARAM)
{
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
/* Recognize whether to use a non-Gregorian calendar. */
const struct calendar *cal = NULL;
struct calendar_date caldate;
if (strcmp (locale_charset (), "UTF-8") == 0)
{
const char *loc = gl_locale_name_unsafe (LC_TIME, "LC_TIME");
if (strlen (loc) >= 5 && !(loc[5] >= 'A' && loc[5] <= 'Z'))
{
if (memcmp (loc, "th_TH", 5) == 0)
cal = &thai_calendar;
else if (memcmp (loc, "fa_IR", 5) == 0)
cal = &persian_calendar;
else if (memcmp (loc, "am_ET", 5) == 0)
cal = &ethiopian_calendar;
if (cal != NULL)
{
if (cal->from_gregorian (&caldate,
tp->tm_year + 1900,
tp->tm_mon,
tp->tm_mday) < 0)
cal = NULL;
}
}
}
#endif
bool tzset_called = false;
return __strftime_internal (s, STRFTIME_ARG (maxsize) format, tp, false,
ZERO_PAD, -1,
return __strftime_internal (s, STRFTIME_ARG (maxsize) format, tp,
CAL_ARGS (cal, &caldate)
false, ZERO_PAD, -1,
&tzset_called extra_args LOCALE_ARG);
}
libc_hidden_def (my_strftime)
@ -1101,7 +1153,10 @@ libc_hidden_def (my_strftime)
static size_t
__strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
const CHAR_T *format,
const struct tm *tp, bool upcase,
const struct tm *tp,
CAL_ARGS (const struct calendar *cal,
struct calendar_date *caldate)
bool upcase,
enum pad_style yr_spec, int width, bool *tzset_called
extra_args_spec LOCALE_PARAM)
{
@ -1113,7 +1168,7 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
#endif
int saved_errno = errno;
int hour12 = tp->tm_hour;
#ifdef _NL_CURRENT
/* We cannot make the following values variables since we must delay
the evaluation of these values until really needed since some
@ -1173,6 +1228,7 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
const char *format_end = NULL;
#endif
int hour12 = tp->tm_hour;
if (hour12 > 12)
hour12 -= 12;
else
@ -1189,6 +1245,9 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
bool negative_number; /* The number is negative. */
bool always_output_a_sign; /* +/- should always be output. */
int tz_colon_mask; /* Bitmask of where ':' should appear. */
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
unsigned int digits_base = '0'; /* '0' or some UCS-2 value. */
#endif
const CHAR_T *subfmt;
CHAR_T *bufp;
CHAR_T buf[1
@ -1436,6 +1495,14 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
}
if (modifier == L_('E'))
goto bad_format;
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
if (cal != NULL)
{
cpy (STRLEN (caldate->month_names[caldate->month].abbrev),
caldate->month_names[caldate->month].abbrev);
break;
}
#endif
#ifdef _NL_CURRENT
if (modifier == L_('O'))
cpy (aam_len, a_altmonth);
@ -1460,6 +1527,14 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
to_uppcase = true;
to_lowcase = false;
}
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
if (cal != NULL)
{
cpy (STRLEN (caldate->month_names[caldate->month].full),
caldate->month_names[caldate->month].full);
break;
}
#endif
#ifdef _NL_CURRENT
if (modifier == L_('O'))
cpy (STRLEN (f_altmonth), f_altmonth);
@ -1511,13 +1586,17 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
subformat_width:
{
size_t len = __strftime_internal (NULL, STRFTIME_ARG ((size_t) -1)
subfmt, tp, to_uppcase,
pad, subwidth, tzset_called
subfmt, tp,
CAL_ARGS (cal, caldate)
to_uppcase, pad, subwidth,
tzset_called
extra_args LOCALE_ARG);
add (len, __strftime_internal (p,
STRFTIME_ARG (maxsize - i)
subfmt, tp, to_uppcase,
pad, subwidth, tzset_called
subfmt, tp,
CAL_ARGS (cal, caldate)
to_uppcase, pad, subwidth,
tzset_called
extra_args LOCALE_ARG));
}
break;
@ -1639,6 +1718,13 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
case L_('x'):
if (modifier == L_('O'))
goto bad_format;
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
if (cal != NULL)
{
subfmt = cal->d_fmt;
goto subformat;
}
#endif
#ifdef _NL_CURRENT
if (! (modifier == L_('E')
&& (*(subfmt =
@ -1652,6 +1738,7 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
#else
goto underlying_strftime;
#endif
case L_('D'):
if (modifier != 0)
goto bad_format;
@ -1662,12 +1749,20 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
if (modifier == L_('E'))
goto bad_format;
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
if (cal != NULL)
DO_NUMBER (2, caldate->day);
#endif
DO_NUMBER (2, tp->tm_mday);
case L_('e'):
if (modifier == L_('E'))
goto bad_format;
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
if (cal != NULL)
DO_NUMBER_SPACEPAD (2, caldate->day);
#endif
DO_NUMBER_SPACEPAD (2, tp->tm_mday);
/* All numeric formats set DIGITS and NUMBER_VALUE (or U_NUMBER_VALUE)
@ -1709,7 +1804,10 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
negating it. */
if (modifier == L_('O') && !negative_number)
{
#ifdef _NL_CURRENT
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
if (cal != NULL)
digits_base = cal->alt_digits_base;
#elif defined _NL_CURRENT
/* Get the locale specific alternate representation of
the number. If none exist NULL is returned. */
const CHAR_T *cp = nl_get_alt_digit (u_number_value
@ -1724,9 +1822,6 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
break;
}
}
#elif HAVE_ONLY_C_LOCALE || (USE_C_LOCALE && !HAVE_STRFTIME_L)
#else
goto underlying_strftime;
#endif
}
@ -1740,7 +1835,13 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
if (tz_colon_mask & 1)
*--bufp = ':';
tz_colon_mask >>= 1;
*--bufp = u_number_value % 10 + L_('0');
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
*--bufp = u_number_value % 10 + (digits_base & 0xFF);
if (digits_base >= 0x100)
*--bufp = digits_base >> 8;
#else
*--bufp = u_number_value % 10 + '0';
#endif
u_number_value /= 10;
}
while (u_number_value != 0 || tz_colon_mask != 0);
@ -1755,8 +1856,13 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
CHAR_T sign_char = (negative_number ? L_('-')
: always_output_a_sign ? L_('+')
: 0);
int numlen = buf + sizeof buf / sizeof buf[0] - bufp;
int shortage = width - !!sign_char - numlen;
int number_bytes = buf + sizeof buf / sizeof buf[0] - bufp;
int number_digits = number_bytes;
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
if (digits_base >= 0x100)
number_digits = number_bytes / 2;
#endif
int shortage = width - !!sign_char - number_digits;
int padding = pad == NO_PAD || shortage <= 0 ? 0 : shortage;
if (sign_char)
@ -1772,7 +1878,7 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
width--;
}
cpy (numlen, bufp);
cpy (number_bytes, bufp);
}
break;
@ -1833,6 +1939,10 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
if (modifier == L_('E'))
goto bad_format;
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
if (cal != NULL)
DO_SIGNED_NUMBER (2, false, caldate->month + 1U);
#endif
DO_SIGNED_NUMBER (2, tp->tm_mon < -1, tp->tm_mon + 1U);
#ifndef _LIBC
@ -2070,9 +2180,11 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
goto underlying_strftime;
#endif
}
if (modifier == L_('O'))
goto bad_format;
#if SUPPORT_NON_GREG_CALENDARS_IN_STRFTIME
if (cal != NULL)
DO_YEARISH (4, false, caldate->year);
#endif
DO_YEARISH (4, tp->tm_year < -TM_YEAR_BASE,
tp->tm_year + (unsigned int) TM_YEAR_BASE);

9
lib/strftime.h
View file

@ -59,6 +59,15 @@ extern "C" {
date and time: %c
time zone: %z %Z
nanosecond %N
In locales with non-Gregorian calendars, the following conversions don't
apply in the expected way:
date:
century %C
year %y
week-based year %G %g
week in year %U %W %V
day in year %j
year, month, day %D
Store the result, as a string with a trailing NUL character, at the
beginning of the array __S[0..__MAXSIZE-1] and return the length of

60
lib/string.in.h
View file

@ -214,65 +214,85 @@ _GL_EXTERN_C void free (void *);
/* Declarations for ISO C N3322. */
#if defined __GNUC__ && __GNUC__ >= 15 && !defined __clang__
# ifndef memcpy
_GL_EXTERN_C void *memcpy (void *__dest, const void *__src, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
# endif
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 3)
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (2, 3);
_GL_EXTERN_C void *memccpy (void *__dest, const void *__src, int __c, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
# ifndef memccpy
_GL_EXTERN_C void *memccpy (void *__dest, const void *__src, int __c, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 4)
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (2, 4);
# endif
# ifndef memmove
_GL_EXTERN_C void *memmove (void *__dest, const void *__src, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
# endif
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 3)
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (2, 3);
# endif
# ifndef strncpy
_GL_EXTERN_C char *strncpy (char *__dest, const char *__src, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
# endif
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 3)
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (2, 3);
# endif
# ifndef strndup
_GL_EXTERN_C char *strndup (const char *__s, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
# endif
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 2);
# endif
# ifndef strncat
_GL_EXTERN_C char *strncat (char *__dest, const char *__src, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
# endif
_GL_ARG_NONNULL ((1)) _GL_ATTRIBUTE_NONNULL_IF_NONZERO (2, 3);
# endif
# ifndef memcmp
_GL_EXTERN_C int memcmp (const void *__s1, const void *__s2, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
# endif
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 3)
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (2, 3);
# endif
# ifndef strncmp
_GL_EXTERN_C int strncmp (const char *__s1, const char *__s2, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
# endif
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 3)
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (2, 3);
# ifndef __cplusplus
# endif
# if !defined memchr && !defined __cplusplus
_GL_EXTERN_C void *memchr (const void *__s, int __c, size_t __n)
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 3);
_GL_EXTERN_C void *memrchr (const void *__s, int __c, size_t __n)
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 3);
# endif
# ifndef memset
_GL_EXTERN_C void *memset (void *__s, int __c, size_t __n)
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
# if __GLIBC__ + (__GLIBC_MINOR__ >= 2) > 2
_GL_ATTRIBUTE_NOTHROW
# endif
# endif
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 3);
# endif
# ifndef memset_explicit
_GL_EXTERN_C void *memset_explicit (void *__s, int __c, size_t __n)
_GL_ATTRIBUTE_NONNULL_IF_NONZERO (1, 3);
# endif
#endif