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/* Checking macros for wchar functions.
Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _WCHAR_H
# error "Never include <bits/wchar.h> directly; use <wchar.h> instead."
#endif
extern wchar_t *__wmemcpy_chk (wchar_t *__restrict __s1,
__const wchar_t *__restrict __s2, size_t __n,
size_t __ns1) __THROW;
extern wchar_t *__REDIRECT (__wmemcpy_alias, (wchar_t *__restrict __s1,
__const wchar_t *__restrict __s2,
size_t __n), wmemcpy) __THROW;
extern __always_inline wchar_t *
wmemcpy (wchar_t *__restrict __s1, __const wchar_t *__restrict __s2,
size_t __n)
{
if (__bos0 (__s1) != (size_t) -1)
return __wmemcpy_chk (__s1, __s2, __n, __bos0 (__s1) / sizeof (wchar_t));
return __wmemcpy_alias (__s1, __s2, __n);
}
extern wchar_t *__wmemmove_chk (wchar_t *__s1, __const wchar_t *__s2,
size_t __n, size_t __ns1) __THROW;
extern wchar_t *__REDIRECT (__wmemmove_alias, (wchar_t *__s1,
__const wchar_t *__s2,
size_t __n), wmemmove) __THROW;
extern __always_inline wchar_t *
wmemmove (wchar_t *__restrict __s1, __const wchar_t *__restrict __s2,
size_t __n)
{
if (__bos0 (__s1) != (size_t) -1)
return __wmemmove_chk (__s1, __s2, __n, __bos0 (__s1) / sizeof (wchar_t));
return __wmemmove_alias (__s1, __s2, __n);
}
#ifdef __USE_GNU
extern wchar_t *__wmempcpy_chk (wchar_t *__restrict __s1,
__const wchar_t *__restrict __s2, size_t __n,
size_t __ns1) __THROW;
extern wchar_t *__REDIRECT (__wmempcpy_alias,
(wchar_t *__restrict __s1,
__const wchar_t *__restrict __s2,
size_t __n), wmempcpy) __THROW;
extern __always_inline wchar_t *
wmempcpy (wchar_t *__restrict __s1, __const wchar_t *__restrict __s2,
size_t __n)
{
if (__bos0 (__s1) != (size_t) -1)
return __wmempcpy_chk (__s1, __s2, __n, __bos0 (__s1) / sizeof (wchar_t));
return __wmempcpy_alias (__s1, __s2, __n);
}
#endif
extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
size_t __ns) __THROW;
extern wchar_t *__REDIRECT (__wmemset_alias, (wchar_t *__s, wchar_t __c,
size_t __n), wmemset) __THROW;
extern __always_inline wchar_t *
wmemset (wchar_t *__restrict __s, wchar_t __c, size_t __n)
{
if (__bos0 (__s) != (size_t) -1)
return __wmemset_chk (__s, __c, __n, __bos0 (__s) / sizeof (wchar_t));
return __wmemset_alias (__s, __c, __n);
}
extern wchar_t *__wcscpy_chk (wchar_t *__restrict __dest,
__const wchar_t *__restrict __src,
size_t __n) __THROW;
extern wchar_t *__REDIRECT (__wcscpy_alias,
(wchar_t *__restrict __dest,
__const wchar_t *__restrict __src), wcscpy)
__THROW;
extern __always_inline wchar_t *
wcscpy (wchar_t *__dest, __const wchar_t *__src)
{
if (__bos (__dest) != (size_t) -1)
return __wcscpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
return __wcscpy_alias (__dest, __src);
}
extern wchar_t *__wcpcpy_chk (wchar_t *__dest, __const wchar_t *__src,
size_t __destlen) __THROW;
extern wchar_t *__REDIRECT (__wcpcpy_alias, (wchar_t *__dest,
__const wchar_t *__src), wcpcpy)
__THROW;
extern __always_inline wchar_t *
wcpcpy (wchar_t *__dest, __const wchar_t *__src)
{
if (__bos (__dest) != (size_t) -1)
return __wcpcpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
return __wcpcpy_alias (__dest, __src);
}
extern wchar_t *__wcsncpy_chk (wchar_t *__restrict __dest,
__const wchar_t *__restrict __src, size_t __n,
size_t __destlen) __THROW;
extern wchar_t *__REDIRECT (__wcsncpy_alias,
(wchar_t *__restrict __dest,
__const wchar_t *__restrict __src, size_t __n),
wcsncpy) __THROW;
extern __always_inline wchar_t *
wcsncpy (wchar_t *__dest, __const wchar_t *__src, size_t __n)
{
if (__bos (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n) || __bos (__dest) >= __n))
return __wcsncpy_chk (__dest, __src, __n,
__bos (__dest) / sizeof (wchar_t));
return __wcsncpy_alias (__dest, __src, __n);
}
extern wchar_t *__wcpncpy_chk (wchar_t *__restrict __dest,
__const wchar_t *__restrict __src, size_t __n,
size_t __destlen) __THROW;
extern wchar_t *__REDIRECT (__wcpncpy_alias,
(wchar_t *__restrict __dest,
__const wchar_t *__restrict __src, size_t __n),
wcpncpy) __THROW;
extern __always_inline wchar_t *
wcpncpy (wchar_t *__dest, __const wchar_t *__src, size_t __n)
{
if (__bos (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n) || __bos (__dest) >= __n))
return __wcpncpy_chk (__dest, __src, __n,
__bos (__dest) / sizeof (wchar_t));
return __wcpncpy_alias (__dest, __src, __n);
}
extern wchar_t *__wcscat_chk (wchar_t *__restrict __dest,
__const wchar_t *__restrict __src,
size_t __destlen) __THROW;
extern wchar_t *__REDIRECT (__wcscat_alias,
(wchar_t *__restrict __dest,
__const wchar_t *__restrict __src), wcscat)
__THROW;
extern __always_inline wchar_t *
wcscat (wchar_t *__dest, __const wchar_t *__src)
{
if (__bos (__dest) != (size_t) -1)
return __wcscat_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
return __wcscat_alias (__dest, __src);
}
extern wchar_t *__wcsncat_chk (wchar_t *__restrict __dest,
__const wchar_t *__restrict __src,
size_t __n, size_t __destlen) __THROW;
extern wchar_t *__REDIRECT (__wcsncat_alias,
(wchar_t *__restrict __dest,
__const wchar_t *__restrict __src, size_t __n),
wcsncat) __THROW;
extern __always_inline wchar_t *
wcsncat (wchar_t *__dest, __const wchar_t *__src, size_t __n)
{
if (__bos (__dest) != (size_t) -1)
return __wcsncat_chk (__dest, __src, __n,
__bos (__dest) / sizeof (wchar_t));
return __wcsncat_alias (__dest, __src, __n);
}
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))) */;
/* XXX We might want to have support in gcc for swprintf. */
#define swprintf(s, n, format, ...) \
(__bos (s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1 \
? __swprintf_chk (s, n, __USE_FORTIFY_LEVEL - 1, __bos (s), format, \
__VA_ARGS__) \
: swprintf (s, n, format, __VA_ARGS__))
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)
__THROW /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
extern int __REDIRECT (__vswprintf_alias,
(wchar_t *__restrict __s, size_t __n,
__const wchar_t *__restrict __format,
__gnuc_va_list __arg), vswprintf)
__THROW /* __attribute__ ((__format__ (__wprintf__, 3, 0))) */;
extern __always_inline int
vswprintf (wchar_t *__s, size_t __n, __const wchar_t *__format,
__gnuc_va_list __arg)
{
if (__bos (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1)
return __vswprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, __bos (__s),
__format, __arg);
return vswprintf (__s, __n, __format, __arg);
}
#if __USE_FORTIFY_LEVEL > 1
extern int __fwprintf_chk (FILE *__restrict __stream, int __flag,
__const wchar_t *__restrict __format, ...);
extern int __wprintf_chk (int __flag, __const wchar_t *__restrict __format,
...);
extern int __vfwprintf_chk (FILE *__restrict __stream, int __flag,
__const wchar_t *__restrict __format,
_G_va_list __ap);
extern int __vwprintf_chk (int __flag, __const wchar_t *__restrict __format,
_G_va_list __ap);
# define wprintf(...) \
__wprintf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
# define fwprintf(stream, ...) \
__fwprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
# define vwprintf(format, ap) \
__vwprintf_chk (__USE_FORTIFY_LEVEL - 1, format, ap)
# define vfwprintf(stream, format, ap) \
__vfwprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, format, ap)
#endif
extern wchar_t *__fgetws_chk (wchar_t *__restrict __s, size_t __size, int __n,
FILE *__restrict __stream) __wur;
extern wchar_t *__REDIRECT (__fgetws_alias,
(wchar_t *__restrict __s, int __n,
FILE *__restrict __stream), fgetws) __wur;
extern __always_inline __wur wchar_t *
fgetws (wchar_t *__restrict __s, int __n, FILE *__restrict __stream)
{
if (__bos (__s) != (size_t) -1
&& (!__builtin_constant_p (__n) || (size_t) __n > __bos (__s)))
return __fgetws_chk (__s, __bos (__s), __n, __stream);
return __fgetws_alias (__s, __n, __stream);
}
#ifdef __USE_GNU
extern wchar_t *__fgetws_unlocked_chk (wchar_t *__restrict __s, size_t __size,
int __n, FILE *__restrict __stream)
__wur;
extern wchar_t *__REDIRECT (__fgetws_unlocked_alias,
(wchar_t *__restrict __s, int __n,
FILE *__restrict __stream), fgetws_unlocked)
__wur;
extern __always_inline __wur wchar_t *
fgetws_unlocked (wchar_t *__restrict __s, int __n, FILE *__restrict __stream)
{
if (__bos (__s) != (size_t) -1
&& (!__builtin_constant_p (__n) || (size_t) __n > __bos (__s)))
return __fgetws_unlocked_chk (__s, __bos (__s), __n, __stream);
return __fgetws_unlocked_alias (__s, __n, __stream);
}
#endif
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