glibc/include/wchar.h
Frédéric Bérat 64f9857507 wchar: Avoid PLT entries with _FORTIFY_SOURCE
The change is meant to avoid unwanted PLT entries for the wmemset and
wcrtomb routines when _FORTIFY_SOURCE is set.

On top of that, ensure that *_chk routines have their hidden builtin
definitions available.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-07-05 16:59:48 +02:00

343 lines
13 KiB
C

#ifndef _WCHAR_H
/* Workaround PR90731 with GCC 9 when using ldbl redirects in C++. */
# include <bits/floatn.h>
# if defined __cplusplus && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
# if __GNUC_PREREQ (9, 0) && !__GNUC_PREREQ (9, 3)
# pragma GCC system_header
# endif
# endif
# include <wcsmbs/wchar.h>
# ifndef _ISOMAC
#include <bits/floatn.h>
#include <bits/wchar2-decl.h>
#include <stdbool.h>
extern __typeof (wcscasecmp_l) __wcscasecmp_l;
extern __typeof (wcsncasecmp_l) __wcsncasecmp_l;
extern __typeof (wcscoll_l) __wcscoll_l;
extern __typeof (wcsxfrm_l) __wcsxfrm_l;
extern __typeof (wcstol_l) __wcstol_l;
extern __typeof (wcstoul_l) __wcstoul_l;
extern __typeof (wcstoll_l) __wcstoll_l;
extern __typeof (wcstoull_l) __wcstoull_l;
extern __typeof (wcstod_l) __wcstod_l;
extern __typeof (wcstof_l) __wcstof_l;
extern __typeof (wcstold_l) __wcstold_l;
extern __typeof (wcsftime_l) __wcsftime_l;
libc_hidden_proto (__wcstol_l)
libc_hidden_proto (__wcstoul_l)
libc_hidden_proto (__wcstoll_l)
libc_hidden_proto (__wcstoull_l)
libc_hidden_proto (__wcstod_l)
libc_hidden_proto (__wcstof_l)
libc_hidden_proto (__wcstold_l)
libc_hidden_proto (__wcsftime_l)
extern __typeof (wcstol) __isoc23_wcstol __attribute_copy__ (wcstol);
extern __typeof (wcstoul) __isoc23_wcstoul __attribute_copy__ (wcstoul);
extern __typeof (wcstoll) __isoc23_wcstoll __attribute_copy__ (wcstoll);
extern __typeof (wcstoull) __isoc23_wcstoull __attribute_copy__ (wcstoull);
extern __typeof (wcstol_l) __isoc23_wcstol_l __attribute_copy__ (wcstol_l);
extern __typeof (wcstoul_l) __isoc23_wcstoul_l __attribute_copy__ (wcstoul_l);
extern __typeof (wcstoll_l) __isoc23_wcstoll_l __attribute_copy__ (wcstoll_l);
extern __typeof (wcstoull_l) __isoc23_wcstoull_l __attribute_copy__ (wcstoull_l);
libc_hidden_proto (__isoc23_wcstol)
libc_hidden_proto (__isoc23_wcstoul)
libc_hidden_proto (__isoc23_wcstoll)
libc_hidden_proto (__isoc23_wcstoull)
libc_hidden_proto (__isoc23_wcstol_l)
libc_hidden_proto (__isoc23_wcstoul_l)
libc_hidden_proto (__isoc23_wcstoll_l)
libc_hidden_proto (__isoc23_wcstoull_l)
#if __GLIBC_USE (C2X_STRTOL)
/* Redirect internal uses of these functions to the C2X versions; the
redirection in the installed header does not work with
libc_hidden_proto. */
# undef wcstol
# define wcstol __isoc23_wcstol
# undef wcstoul
# define wcstoul __isoc23_wcstoul
# undef wcstoll
# define wcstoll __isoc23_wcstoll
# undef wcstoull
# define wcstoull __isoc23_wcstoull
# undef wcstol_l
# define wcstol_l __isoc23_wcstol_l
# undef wcstoul_l
# define wcstoul_l __isoc23_wcstoul_l
# undef wcstoll_l
# define wcstoll_l __isoc23_wcstoll_l
# undef wcstoull_l
# define wcstoull_l __isoc23_wcstoull_l
#endif
extern double __wcstod_internal (const wchar_t *__restrict __nptr,
wchar_t **__restrict __endptr, int __group)
__THROW;
extern float __wcstof_internal (const wchar_t *__restrict __nptr,
wchar_t **__restrict __endptr, int __group)
__THROW;
extern long double __wcstold_internal (const wchar_t *__restrict __nptr,
wchar_t **__restrict __endptr,
int __group) __THROW;
extern long int __wcstol_internal (const wchar_t *__restrict __nptr,
wchar_t **__restrict __endptr,
int __base, int __group) __THROW;
extern unsigned long int __wcstoul_internal (const wchar_t *__restrict __npt,
wchar_t **__restrict __endptr,
int __base, int __group) __THROW;
__extension__
extern long long int __wcstoll_internal (const wchar_t *__restrict __nptr,
wchar_t **__restrict __endptr,
int __base, int __group) __THROW;
__extension__
extern unsigned long long int __wcstoull_internal (const wchar_t *
__restrict __nptr,
wchar_t **
__restrict __endptr,
int __base,
int __group) __THROW;
extern unsigned long long int ____wcstoull_l_internal (const wchar_t *,
wchar_t **, int, int,
bool, locale_t);
libc_hidden_proto (__wcstof_internal)
libc_hidden_proto (__wcstod_internal)
libc_hidden_proto (__wcstold_internal)
libc_hidden_proto (__wcstol_internal)
libc_hidden_proto (__wcstoll_internal)
libc_hidden_proto (__wcstoul_internal)
libc_hidden_proto (__wcstoull_internal)
libc_hidden_proto (wcstof)
libc_hidden_proto (wcstod)
libc_hidden_ldbl_proto (wcstold)
libc_hidden_proto (wcstol)
libc_hidden_proto (wcstoll)
libc_hidden_proto (wcstoul)
libc_hidden_proto (wcstoull)
extern float ____wcstof_l_internal (const wchar_t *, wchar_t **, int,
locale_t) attribute_hidden;
extern double ____wcstod_l_internal (const wchar_t *, wchar_t **, int,
locale_t) attribute_hidden;
extern long double ____wcstold_l_internal (const wchar_t *, wchar_t **,
int, locale_t) attribute_hidden;
extern long int ____wcstol_l_internal (const wchar_t *, wchar_t **, int,
int, bool, locale_t) attribute_hidden;
extern unsigned long int ____wcstoul_l_internal (const wchar_t *,
wchar_t **,
int, int, bool, locale_t)
attribute_hidden;
extern long long int ____wcstoll_l_internal (const wchar_t *, wchar_t **,
int, int, bool, locale_t)
attribute_hidden;
extern unsigned long long int ____wcstoull_l_internal (const wchar_t *,
wchar_t **, int, int,
bool, locale_t)
attribute_hidden;
#if __HAVE_DISTINCT_FLOAT128
extern __typeof (wcstof128_l) __wcstof128_l;
libc_hidden_proto (__wcstof128_l)
extern _Float128 __wcstof128_internal (const wchar_t *__restrict __nptr,
wchar_t **__restrict __endptr,
int __group) __THROW;
extern _Float128 ____wcstof128_l_internal (const wchar_t *, wchar_t **, int,
locale_t) attribute_hidden;
libc_hidden_proto (__wcstof128_internal)
libc_hidden_proto (wcstof128)
#endif
libc_hidden_proto (__wcscasecmp_l)
libc_hidden_proto (__wcsncasecmp_l)
libc_hidden_proto (__wcscoll_l)
libc_hidden_proto (__wcsxfrm_l)
libc_hidden_proto (fputws_unlocked)
libc_hidden_proto (putwc_unlocked)
libc_hidden_proto (putwc)
libc_hidden_proto (mbrtowc)
libc_hidden_proto (wcrtomb)
libc_hidden_proto (__wcrtomb_chk)
extern int __wcscmp (const wchar_t *__s1, const wchar_t *__s2)
__THROW __attribute_pure__;
libc_hidden_proto (__wcscmp)
libc_hidden_proto (wcsftime)
libc_hidden_proto (wcsspn)
libc_hidden_proto (wcschr)
/* The C++ overloading of wcschr means we have to repeat the type to
declare __wcschr instead of using typeof, to avoid errors in C++
tests; in addition, __THROW cannot be used with a function type
from typeof in C++. The same applies to __wmemchr and, as regards
__THROW, to __wcscmp and __wcscoll. */
extern wchar_t *__wcschr (const wchar_t *__wcs, wchar_t __wc)
__THROW __attribute_pure__;
libc_hidden_proto (__wcschr)
extern int __wcscoll (const wchar_t *__s1, const wchar_t *__s2) __THROW;
libc_hidden_proto (__wcscoll)
libc_hidden_proto (wcspbrk)
extern __typeof (wmemset) __wmemset;
extern wchar_t *__wmemchr (const wchar_t *__s, wchar_t __c, size_t __n)
__THROW __attribute_pure__;
libc_hidden_proto (wmemchr)
libc_hidden_proto (__wmemchr)
libc_hidden_proto (wmemset)
libc_hidden_proto (__wmemset)
extern int __wmemcmp (const wchar_t *__s1, const wchar_t *__s2, size_t __n)
__THROW __attribute_pure__;
/* Now define the internal interfaces. */
extern int __wcscasecmp (const wchar_t *__s1, const wchar_t *__s2)
__attribute_pure__;
extern int __wcsncasecmp (const wchar_t *__s1, const wchar_t *__s2,
size_t __n)
__attribute_pure__;
extern size_t __wcslen (const wchar_t *__s) __attribute_pure__;
extern size_t __wcsnlen (const wchar_t *__s, size_t __maxlen)
__attribute_pure__;
extern wchar_t *__wcscat (wchar_t *dest, const wchar_t *src);
extern __typeof (wcslcat) __wcslcat;
libc_hidden_proto (__wcslcat)
extern wint_t __btowc (int __c) attribute_hidden;
extern int __mbsinit (const __mbstate_t *__ps);
extern size_t __mbrtowc (wchar_t *__restrict __pwc,
const char *__restrict __s, size_t __n,
__mbstate_t *__restrict __p);
libc_hidden_proto (__mbrtowc)
libc_hidden_proto (__mbrlen)
extern size_t __wcrtomb (char *__restrict __s, wchar_t __wc,
__mbstate_t *__restrict __ps) attribute_hidden;
extern size_t __wcrtomb_internal (char *__restrict __s, wchar_t __wc,
__mbstate_t *__restrict __ps,
size_t __s_size)
attribute_hidden;
extern size_t __mbsrtowcs (wchar_t *__restrict __dst,
const char **__restrict __src,
size_t __len, __mbstate_t *__restrict __ps)
attribute_hidden;
extern size_t __wcsrtombs (char *__restrict __dst,
const wchar_t **__restrict __src,
size_t __len, __mbstate_t *__restrict __ps)
attribute_hidden;
extern size_t __mbsnrtowcs (wchar_t *__restrict __dst,
const char **__restrict __src, size_t __nmc,
size_t __len, __mbstate_t *__restrict __ps)
attribute_hidden;
extern size_t __wcsnrtombs (char *__restrict __dst,
const wchar_t **__restrict __src,
size_t __nwc, size_t __len,
__mbstate_t *__restrict __ps)
attribute_hidden;
extern wchar_t *__wcscpy (wchar_t *__restrict __dest,
const wchar_t *__restrict __src)
attribute_hidden __nonnull ((1, 2));
libc_hidden_proto (__wcscpy)
extern __typeof (wcslcpy) __wcslcpy;
libc_hidden_proto (__wcslcpy)
extern wchar_t *__wcsncpy (wchar_t *__restrict __dest,
const wchar_t *__restrict __src, size_t __n);
extern wchar_t *__wcpcpy (wchar_t *__dest, const wchar_t *__src);
extern wchar_t *__wcpncpy (wchar_t *__dest, const wchar_t *__src,
size_t __n);
extern wchar_t *__wmemcpy (wchar_t *__s1, const wchar_t *s2,
size_t __n) attribute_hidden;
extern wchar_t *__wmempcpy (wchar_t *__restrict __s1,
const wchar_t *__restrict __s2,
size_t __n) attribute_hidden;
extern wchar_t *__wmemmove (wchar_t *__s1, const wchar_t *__s2,
size_t __n) attribute_hidden;
extern wchar_t *__wcschrnul (const wchar_t *__s, wchar_t __wc)
__attribute_pure__;
extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
size_t __ns) __THROW;
libc_hidden_builtin_proto (__wmemset_chk)
extern int __vfwscanf (__FILE *__restrict __s,
const wchar_t *__restrict __format,
__gnuc_va_list __arg)
attribute_hidden
/* __attribute__ ((__format__ (__wscanf__, 2, 0)) */;
extern int __swprintf_chk (wchar_t *__restrict __s, size_t __n,
int __flag, size_t __s_len,
const wchar_t *__restrict __format, ...)
__THROW /* __attribute__ ((__format__ (__wprintf__, 5, 6))) */;
extern int __fwprintf (__FILE *__restrict __s,
const wchar_t *__restrict __format, ...)
attribute_hidden
/* __attribute__ ((__format__ (__wprintf__, 2, 3))) */;
extern int __wprintf_chk (int __flag, const wchar_t *__restrict __format,
...);
extern int __vfwprintf_chk (FILE *__restrict __s, int __flag,
const wchar_t *__restrict __format,
__gnuc_va_list __arg)
/* __attribute__ ((__format__ (__wprintf__, 3, 0))) */;
extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
int __flag, size_t __s_len,
const wchar_t *__restrict __format,
__gnuc_va_list __arg)
/* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
extern int __fwprintf_chk (__FILE *__restrict __stream, int __flag,
const wchar_t *__restrict __format, ...);
extern int __vwprintf_chk (int __flag, const wchar_t *__restrict __format,
__gnuc_va_list __ap);
extern int __isoc99_fwscanf (__FILE *__restrict __stream,
const wchar_t *__restrict __format, ...);
extern int __isoc99_wscanf (const wchar_t *__restrict __format, ...);
extern int __isoc99_swscanf (const wchar_t *__restrict __s,
const wchar_t *__restrict __format, ...)
__THROW;
extern int __isoc99_vfwscanf (__FILE *__restrict __s,
const wchar_t *__restrict __format,
__gnuc_va_list __arg);
extern int __isoc99_vwscanf (const wchar_t *__restrict __format,
__gnuc_va_list __arg);
extern int __isoc99_vswscanf (const wchar_t *__restrict __s,
const wchar_t *__restrict __format,
__gnuc_va_list __arg) __THROW;
extern int __isoc23_fwscanf (__FILE *__restrict __stream,
const wchar_t *__restrict __format, ...);
extern int __isoc23_wscanf (const wchar_t *__restrict __format, ...);
extern int __isoc23_swscanf (const wchar_t *__restrict __s,
const wchar_t *__restrict __format, ...)
__THROW;
extern int __isoc23_vfwscanf (__FILE *__restrict __s,
const wchar_t *__restrict __format,
__gnuc_va_list __arg);
extern int __isoc23_vwscanf (const wchar_t *__restrict __format,
__gnuc_va_list __arg);
extern int __isoc23_vswscanf (const wchar_t *__restrict __s,
const wchar_t *__restrict __format,
__gnuc_va_list __arg) __THROW;
libc_hidden_proto (__isoc99_vswscanf)
libc_hidden_proto (__isoc99_vfwscanf)
libc_hidden_proto (__isoc23_vswscanf)
libc_hidden_proto (__isoc23_vfwscanf)
/* Internal functions. */
extern size_t __mbsrtowcs_l (wchar_t *dst, const char **src, size_t len,
mbstate_t *ps, locale_t l) attribute_hidden;
/* Special version. We know that all uses of mbsinit inside the libc
have a non-NULL parameter. And certainly we can access the
internals of the data structure directly. */
# define mbsinit(state) ((state)->__count == 0)
# define __mbsinit(state) ((state)->__count == 0)
# endif
#endif