[thirdparty/glibc.git] / wcsmbs / bits / wchar2.h

/* Checking macros for wchar functions.
   Copyright (C) 2005, 2006, 2007 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_NTH (__wmemcpy_alias,
				(wchar_t *__restrict __s1,
				 __const wchar_t *__restrict __s2, size_t __n),
				wmemcpy);

__extern_always_inline wchar_t *
__NTH (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_NTH (__wmemmove_alias, (wchar_t *__s1,
						   __const wchar_t *__s2,
						   size_t __n), wmemmove);

__extern_always_inline wchar_t *
__NTH (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_NTH (__wmempcpy_alias,
				(wchar_t *__restrict __s1,
				 __const wchar_t *__restrict __s2,
				 size_t __n), wmempcpy);

__extern_always_inline wchar_t *
__NTH (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_NTH (__wmemset_alias, (wchar_t *__s, wchar_t __c,
						  size_t __n), wmemset);

__extern_always_inline wchar_t *
__NTH (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_NTH (__wcscpy_alias,
				(wchar_t *__restrict __dest,
				 __const wchar_t *__restrict __src), wcscpy);

__extern_always_inline wchar_t *
__NTH (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_NTH (__wcpcpy_alias, (wchar_t *__dest,
						 __const wchar_t *__src),
				wcpcpy);

__extern_always_inline wchar_t *
__NTH (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_NTH (__wcsncpy_alias,
				(wchar_t *__restrict __dest,
				 __const wchar_t *__restrict __src,
				 size_t __n), wcsncpy);

__extern_always_inline wchar_t *
__NTH (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_NTH (__wcpncpy_alias,
				(wchar_t *__restrict __dest,
				 __const wchar_t *__restrict __src,
				 size_t __n), wcpncpy);

__extern_always_inline wchar_t *
__NTH (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_NTH (__wcscat_alias,
				(wchar_t *__restrict __dest,
				 __const wchar_t *__restrict __src), wcscat);

__extern_always_inline wchar_t *
__NTH (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_NTH (__wcsncat_alias,
				(wchar_t *__restrict __dest,
				 __const wchar_t *__restrict __src,
				 size_t __n), wcsncat);

__extern_always_inline wchar_t *
__NTH (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, ...) \
  (__bos (s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1			      \
   ? __swprintf_chk (s, n, __USE_FORTIFY_LEVEL - 1, __bos (s), __VA_ARGS__)   \
   : swprintf (s, n, __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))) */;

#define vswprintf(s, n, fmt, ap) \
  (__bos (s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1			      \
   ? __vswprintf_chk (s, n, __USE_FORTIFY_LEVEL - 1, __bos (s), fmt, ap)      \
   : vswprintf (s, n, fmt, ap))


#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,
			    __gnuc_va_list __ap);
extern int __vwprintf_chk (int __flag, __const wchar_t *__restrict __format,
			   __gnuc_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


extern size_t __wcrtomb_chk (char *__s, wchar_t __wchar, mbstate_t *__p,
			  size_t __buflen) __THROW __wur;
extern size_t __REDIRECT_NTH (__wcrtomb_alias,
			      (char *__restrict __s, wchar_t __wchar,
			       mbstate_t *__restrict __ps), wcrtomb) __wur;

__extern_always_inline __wur size_t
__NTH (wcrtomb (char *__s, wchar_t __wchar, mbstate_t *__ps))
{
  /* We would have to include <limits.h> to get a definition of MB_LEN_MAX.
     But this would only disturb the namespace.  So we define our own
     version here.  */
#define __WCHAR_MB_LEN_MAX	16
#if defined MB_LEN_MAX && MB_LEN_MAX != __WCHAR_MB_LEN_MAX
# error "Assumed value of MB_LEN_MAX wrong"
#endif
  if (__bos (__s) != (size_t) -1 && __WCHAR_MB_LEN_MAX > __bos (__s))
    return __wcrtomb_chk (__s, __wchar, __ps, __bos (__s));
  return __wcrtomb_alias (__s, __wchar, __ps);
}


extern size_t __mbsrtowcs_chk (wchar_t *__restrict __dst,
			       __const char **__restrict __src,
			       size_t __len, mbstate_t *__restrict __ps,
			       size_t __dstlen) __THROW;
extern size_t __REDIRECT_NTH (__mbsrtowcs_alias,
			      (wchar_t *__restrict __dst,
			       __const char **__restrict __src,
			       size_t __len, mbstate_t *__restrict __ps),
			      mbsrtowcs);

__extern_always_inline size_t
__NTH (mbsrtowcs (wchar_t *__restrict __dst, __const char **__restrict __src,
		  size_t __len, mbstate_t *__restrict __ps))
{
  if (__bos (__dst) != (size_t) -1
      && (!__builtin_constant_p (__len)
	  || __len > __bos (__dst) / sizeof (wchar_t)))
    return __mbsrtowcs_chk (__dst, __src, __len, __ps,
			    __bos (__dst) / sizeof (wchar_t));
  return __mbsrtowcs_alias (__dst, __src, __len, __ps);
}


extern size_t __wcsrtombs_chk (char *__restrict __dst,
			       __const wchar_t **__restrict __src,
			       size_t __len, mbstate_t *__restrict __ps,
			       size_t __dstlen) __THROW;
extern size_t __REDIRECT_NTH (__wcsrtombs_alias,
			      (char *__restrict __dst,
			       __const wchar_t **__restrict __src,
			       size_t __len, mbstate_t *__restrict __ps),
			      wcsrtombs);

__extern_always_inline size_t
__NTH (wcsrtombs (char *__restrict __dst, __const wchar_t **__restrict __src,
		  size_t __len, mbstate_t *__restrict __ps))
{
  if (__bos (__dst) != (size_t) -1
      && (!__builtin_constant_p (__len) || __len > __bos (__dst)))
    return __wcsrtombs_chk (__dst, __src, __len, __ps, __bos (__dst));
  return __wcsrtombs_alias (__dst, __src, __len, __ps);
}


#ifdef __USE_GNU
extern size_t __mbsnrtowcs_chk (wchar_t *__restrict __dst,
				__const char **__restrict __src, size_t __nmc,
				size_t __len, mbstate_t *__restrict __ps,
				size_t __dstlen) __THROW;
extern size_t __REDIRECT_NTH (__mbsnrtowcs_alias,
			      (wchar_t *__restrict __dst,
			       __const char **__restrict __src, size_t __nmc,
			       size_t __len, mbstate_t *__restrict __ps),
			      mbsnrtowcs);

__extern_always_inline size_t
__NTH (mbsnrtowcs (wchar_t *__restrict __dst, __const char **__restrict __src,
		   size_t __nmc, size_t __len, mbstate_t *__restrict __ps))
{
  if (__bos (__dst) != (size_t) -1
      && (!__builtin_constant_p (__len)
	  || __len > __bos (__dst) / sizeof (wchar_t)))
    return __mbsnrtowcs_chk (__dst, __src, __nmc, __len, __ps,
			     __bos (__dst) / sizeof (wchar_t));
  return __mbsnrtowcs_alias (__dst, __src, __nmc, __len, __ps);
}


extern size_t __wcsnrtombs_chk (char *__restrict __dst,
				__const wchar_t **__restrict __src,
				size_t __nwc, size_t __len,
				mbstate_t *__restrict __ps, size_t __dstlen)
     __THROW;
extern size_t __REDIRECT_NTH (__wcsnrtombs_alias,
			      (char *__restrict __dst,
			       __const wchar_t **__restrict __src,
			       size_t __nwc, size_t __len,
			       mbstate_t *__restrict __ps), wcsnrtombs);

__extern_always_inline size_t
__NTH (wcsnrtombs (char *__restrict __dst, __const wchar_t **__restrict __src,
		   size_t __nwc, size_t __len, mbstate_t *__restrict __ps))
{
  if (__bos (__dst) != (size_t) -1
      && (!__builtin_constant_p (__len) || __len > __bos (__dst)))
    return __wcsnrtombs_chk (__dst, __src, __nwc, __len, __ps, __bos (__dst));
  return __wcsnrtombs_alias (__dst, __src, __nwc, __len, __ps);
}
#endif
Commit	Line	Data
8215c9ec	1	/* Checking macros for wchar functions.
b037a293	2	Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
8215c9ec UD	3	This file is part of the GNU C Library.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with the GNU C Library; if not, write to the Free
	17	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	18	02111-1307 USA. */
	19
	20	#ifndef _WCHAR_H
	21	# error "Never include <bits/wchar.h> directly; use <wchar.h> instead."
	22	#endif
	23
	24
	25	extern wchar_t __wmemcpy_chk (wchar_t __restrict __s1,
	26	__const wchar_t *__restrict __s2, size_t __n,
	27	size_t __ns1) __THROW;
22870975 UD	28	extern wchar_t *__REDIRECT_NTH (__wmemcpy_alias,
	29	(wchar_t *__restrict __s1,
	30	__const wchar_t *__restrict __s2, size_t __n),
	31	wmemcpy);
8215c9ec	32
b037a293	33	__extern_always_inline wchar_t *
dc4bb1c2 UD	34	__NTH (wmemcpy (wchar_t __restrict __s1, __const wchar_t __restrict __s2,
dc4bb1c2 UD	35	size_t __n))
8215c9ec UD	36	{
	37	if (__bos0 (__s1) != (size_t) -1)
	38	return __wmemcpy_chk (__s1, __s2, __n, __bos0 (__s1) / sizeof (wchar_t));
	39	return __wmemcpy_alias (__s1, __s2, __n);
	40	}
	41
	42
	43	extern wchar_t __wmemmove_chk (wchar_t __s1, __const wchar_t *__s2,
	44	size_t __n, size_t __ns1) __THROW;
22870975 UD	45	extern wchar_t __REDIRECT_NTH (__wmemmove_alias, (wchar_t __s1,
	46	__const wchar_t *__s2,
	47	size_t __n), wmemmove);
8215c9ec	48
b037a293	49	__extern_always_inline wchar_t *
dc4bb1c2 UD	50	__NTH (wmemmove (wchar_t __restrict __s1, __const wchar_t __restrict __s2,
dc4bb1c2 UD	51	size_t __n))
8215c9ec UD	52	{
	53	if (__bos0 (__s1) != (size_t) -1)
	54	return __wmemmove_chk (__s1, __s2, __n, __bos0 (__s1) / sizeof (wchar_t));
	55	return __wmemmove_alias (__s1, __s2, __n);
	56	}
	57
	58
	59	#ifdef __USE_GNU
	60	extern wchar_t __wmempcpy_chk (wchar_t __restrict __s1,
	61	__const wchar_t *__restrict __s2, size_t __n,
	62	size_t __ns1) __THROW;
22870975 UD	63	extern wchar_t *__REDIRECT_NTH (__wmempcpy_alias,
	64	(wchar_t *__restrict __s1,
	65	__const wchar_t *__restrict __s2,
	66	size_t __n), wmempcpy);
8215c9ec	67
b037a293	68	__extern_always_inline wchar_t *
dc4bb1c2 UD	69	__NTH (wmempcpy (wchar_t __restrict __s1, __const wchar_t __restrict __s2,
dc4bb1c2 UD	70	size_t __n))
8215c9ec UD	71	{
	72	if (__bos0 (__s1) != (size_t) -1)
	73	return __wmempcpy_chk (__s1, __s2, __n, __bos0 (__s1) / sizeof (wchar_t));
	74	return __wmempcpy_alias (__s1, __s2, __n);
	75	}
	76	#endif
	77
	78
	79	extern wchar_t __wmemset_chk (wchar_t __s, wchar_t __c, size_t __n,
	80	size_t __ns) __THROW;
22870975 UD	81	extern wchar_t __REDIRECT_NTH (__wmemset_alias, (wchar_t __s, wchar_t __c,
22870975 UD	82	size_t __n), wmemset);
8215c9ec	83
b037a293	84	__extern_always_inline wchar_t *
dc4bb1c2	85	__NTH (wmemset (wchar_t *__restrict __s, wchar_t __c, size_t __n))
8215c9ec UD	86	{
	87	if (__bos0 (__s) != (size_t) -1)
	88	return __wmemset_chk (__s, __c, __n, __bos0 (__s) / sizeof (wchar_t));
	89	return __wmemset_alias (__s, __c, __n);
	90	}
	91
	92
	93	extern wchar_t __wcscpy_chk (wchar_t __restrict __dest,
	94	__const wchar_t *__restrict __src,
	95	size_t __n) __THROW;
22870975 UD	96	extern wchar_t *__REDIRECT_NTH (__wcscpy_alias,
	97	(wchar_t *__restrict __dest,
	98	__const wchar_t *__restrict __src), wcscpy);
8215c9ec	99
b037a293	100	__extern_always_inline wchar_t *
dc4bb1c2	101	__NTH (wcscpy (wchar_t __dest, __const wchar_t __src))
8215c9ec UD	102	{
	103	if (__bos (__dest) != (size_t) -1)
	104	return __wcscpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
	105	return __wcscpy_alias (__dest, __src);
	106	}
	107
	108
	109	extern wchar_t __wcpcpy_chk (wchar_t __dest, __const wchar_t *__src,
	110	size_t __destlen) __THROW;
22870975 UD	111	extern wchar_t __REDIRECT_NTH (__wcpcpy_alias, (wchar_t __dest,
	112	__const wchar_t *__src),
	113	wcpcpy);
8215c9ec	114
b037a293	115	__extern_always_inline wchar_t *
dc4bb1c2	116	__NTH (wcpcpy (wchar_t __dest, __const wchar_t __src))
8215c9ec UD	117	{
	118	if (__bos (__dest) != (size_t) -1)
	119	return __wcpcpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
	120	return __wcpcpy_alias (__dest, __src);
	121	}
	122
	123
	124	extern wchar_t __wcsncpy_chk (wchar_t __restrict __dest,
	125	__const wchar_t *__restrict __src, size_t __n,
	126	size_t __destlen) __THROW;
22870975 UD	127	extern wchar_t *__REDIRECT_NTH (__wcsncpy_alias,
	128	(wchar_t *__restrict __dest,
	129	__const wchar_t *__restrict __src,
	130	size_t __n), wcsncpy);
8215c9ec	131
b037a293	132	__extern_always_inline wchar_t *
dc4bb1c2	133	__NTH (wcsncpy (wchar_t __dest, __const wchar_t __src, size_t __n))
8215c9ec UD	134	{
	135	if (__bos (__dest) != (size_t) -1
	136	&& (!__builtin_constant_p (__n) \|\| __bos (__dest) >= __n))
	137	return __wcsncpy_chk (__dest, __src, __n,
	138	__bos (__dest) / sizeof (wchar_t));
	139	return __wcsncpy_alias (__dest, __src, __n);
	140	}
	141
	142
	143	extern wchar_t __wcpncpy_chk (wchar_t __restrict __dest,
	144	__const wchar_t *__restrict __src, size_t __n,
	145	size_t __destlen) __THROW;
22870975 UD	146	extern wchar_t *__REDIRECT_NTH (__wcpncpy_alias,
	147	(wchar_t *__restrict __dest,
	148	__const wchar_t *__restrict __src,
	149	size_t __n), wcpncpy);
8215c9ec	150
b037a293	151	__extern_always_inline wchar_t *
dc4bb1c2	152	__NTH (wcpncpy (wchar_t __dest, __const wchar_t __src, size_t __n))
8215c9ec UD	153	{
	154	if (__bos (__dest) != (size_t) -1
	155	&& (!__builtin_constant_p (__n) \|\| __bos (__dest) >= __n))
	156	return __wcpncpy_chk (__dest, __src, __n,
	157	__bos (__dest) / sizeof (wchar_t));
	158	return __wcpncpy_alias (__dest, __src, __n);
	159	}
	160
	161
	162	extern wchar_t __wcscat_chk (wchar_t __restrict __dest,
	163	__const wchar_t *__restrict __src,
	164	size_t __destlen) __THROW;
22870975 UD	165	extern wchar_t *__REDIRECT_NTH (__wcscat_alias,
	166	(wchar_t *__restrict __dest,
	167	__const wchar_t *__restrict __src), wcscat);
8215c9ec	168
b037a293	169	__extern_always_inline wchar_t *
dc4bb1c2	170	__NTH (wcscat (wchar_t __dest, __const wchar_t __src))
8215c9ec UD	171	{
	172	if (__bos (__dest) != (size_t) -1)
	173	return __wcscat_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
	174	return __wcscat_alias (__dest, __src);
	175	}
	176
	177
	178	extern wchar_t __wcsncat_chk (wchar_t __restrict __dest,
	179	__const wchar_t *__restrict __src,
	180	size_t __n, size_t __destlen) __THROW;
22870975 UD	181	extern wchar_t *__REDIRECT_NTH (__wcsncat_alias,
	182	(wchar_t *__restrict __dest,
	183	__const wchar_t *__restrict __src,
	184	size_t __n), wcsncat);
8215c9ec	185
b037a293	186	__extern_always_inline wchar_t *
dc4bb1c2	187	__NTH (wcsncat (wchar_t __dest, __const wchar_t __src, size_t __n))
8215c9ec UD	188	{
	189	if (__bos (__dest) != (size_t) -1)
	190	return __wcsncat_chk (__dest, __src, __n,
	191	__bos (__dest) / sizeof (wchar_t));
	192	return __wcsncat_alias (__dest, __src, __n);
	193	}
	194
	195
	196	extern int __swprintf_chk (wchar_t *__restrict __s, size_t __n,
	197	int __flag, size_t __s_len,
	198	__const wchar_t *__restrict __format, ...)
	199	__THROW /* __attribute__ ((__format__ (__wprintf__, 5, 6))) */;
	200
	201	/* XXX We might want to have support in gcc for swprintf. */
757beee1	202	#define swprintf(s, n, ...) \
8215c9ec	203	(__bos (s) != (size_t) -1 \|\| __USE_FORTIFY_LEVEL > 1 \
757beee1 UD	204	? __swprintf_chk (s, n, __USE_FORTIFY_LEVEL - 1, __bos (s), __VA_ARGS__) \
757beee1 UD	205	: swprintf (s, n, __VA_ARGS__))
8215c9ec UD	206
	207
	208	extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
	209	int __flag, size_t __s_len,
	210	__const wchar_t *__restrict __format,
	211	__gnuc_va_list __arg)
	212	__THROW /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
8215c9ec	213
c6251f03 RM	214	#define vswprintf(s, n, fmt, ap) \
	215	(__bos (s) != (size_t) -1 \|\| __USE_FORTIFY_LEVEL > 1 \
	216	? __vswprintf_chk (s, n, __USE_FORTIFY_LEVEL - 1, __bos (s), fmt, ap) \
	217	: vswprintf (s, n, fmt, ap))
8215c9ec UD	218
	219
	220	#if __USE_FORTIFY_LEVEL > 1
	221
76c98ee2	222	extern int __fwprintf_chk (__FILE *__restrict __stream, int __flag,
8215c9ec UD	223	__const wchar_t *__restrict __format, ...);
	224	extern int __wprintf_chk (int __flag, __const wchar_t *__restrict __format,
	225	...);
76c98ee2	226	extern int __vfwprintf_chk (__FILE *__restrict __stream, int __flag,
8215c9ec	227	__const wchar_t *__restrict __format,
24452349	228	__gnuc_va_list __ap);
8215c9ec	229	extern int __vwprintf_chk (int __flag, __const wchar_t *__restrict __format,
24452349	230	__gnuc_va_list __ap);
8215c9ec UD	231
	232	# define wprintf(...) \
	233	__wprintf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
	234	# define fwprintf(stream, ...) \
	235	__fwprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
	236	# define vwprintf(format, ap) \
	237	__vwprintf_chk (__USE_FORTIFY_LEVEL - 1, format, ap)
	238	# define vfwprintf(stream, format, ap) \
	239	__vfwprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, format, ap)
	240
	241	#endif
	242
	243	extern wchar_t __fgetws_chk (wchar_t __restrict __s, size_t __size, int __n,
76c98ee2	244	__FILE *__restrict __stream) __wur;
8215c9ec UD	245	extern wchar_t *__REDIRECT (__fgetws_alias,
8215c9ec UD	246	(wchar_t *__restrict __s, int __n,
76c98ee2	247	__FILE *__restrict __stream), fgetws) __wur;
8215c9ec	248
b037a293	249	__extern_always_inline __wur wchar_t *
76c98ee2	250	fgetws (wchar_t __restrict __s, int __n, __FILE __restrict __stream)
8215c9ec UD	251	{
	252	if (__bos (__s) != (size_t) -1
	253	&& (!__builtin_constant_p (__n) \|\| (size_t) __n > __bos (__s)))
	254	return __fgetws_chk (__s, __bos (__s), __n, __stream);
	255	return __fgetws_alias (__s, __n, __stream);
	256	}
	257
	258	#ifdef __USE_GNU
	259	extern wchar_t __fgetws_unlocked_chk (wchar_t __restrict __s, size_t __size,
76c98ee2	260	int __n, __FILE *__restrict __stream)
8215c9ec UD	261	__wur;
	262	extern wchar_t *__REDIRECT (__fgetws_unlocked_alias,
	263	(wchar_t *__restrict __s, int __n,
76c98ee2	264	__FILE *__restrict __stream), fgetws_unlocked)
8215c9ec UD	265	__wur;
8215c9ec UD	266
b037a293	267	__extern_always_inline __wur wchar_t *
76c98ee2	268	fgetws_unlocked (wchar_t __restrict __s, int __n, __FILE __restrict __stream)
8215c9ec UD	269	{
	270	if (__bos (__s) != (size_t) -1
	271	&& (!__builtin_constant_p (__n) \|\| (size_t) __n > __bos (__s)))
	272	return __fgetws_unlocked_chk (__s, __bos (__s), __n, __stream);
	273	return __fgetws_unlocked_alias (__s, __n, __stream);
	274	}
	275	#endif
df6f8969 UD	276
	277
	278	extern size_t __wcrtomb_chk (char __s, wchar_t __wchar, mbstate_t __p,
	279	size_t __buflen) __THROW __wur;
	280	extern size_t __REDIRECT_NTH (__wcrtomb_alias,
	281	(char *__restrict __s, wchar_t __wchar,
	282	mbstate_t *__restrict __ps), wcrtomb) __wur;
	283
b037a293	284	__extern_always_inline __wur size_t
dc4bb1c2	285	__NTH (wcrtomb (char __s, wchar_t __wchar, mbstate_t __ps))
df6f8969 UD	286	{
	287	/* We would have to include <limits.h> to get a definition of MB_LEN_MAX.
	288	But this would only disturb the namespace. So we define our own
	289	version here. */
	290	#define __WCHAR_MB_LEN_MAX 16
	291	#if defined MB_LEN_MAX && MB_LEN_MAX != __WCHAR_MB_LEN_MAX
	292	# error "Assumed value of MB_LEN_MAX wrong"
	293	#endif
	294	if (__bos (__s) != (size_t) -1 && __WCHAR_MB_LEN_MAX > __bos (__s))
	295	return __wcrtomb_chk (__s, __wchar, __ps, __bos (__s));
	296	return __wcrtomb_alias (__s, __wchar, __ps);
	297	}
	298
	299
	300	extern size_t __mbsrtowcs_chk (wchar_t *__restrict __dst,
	301	__const char **__restrict __src,
	302	size_t __len, mbstate_t *__restrict __ps,
	303	size_t __dstlen) __THROW;
	304	extern size_t __REDIRECT_NTH (__mbsrtowcs_alias,
	305	(wchar_t *__restrict __dst,
	306	__const char **__restrict __src,
	307	size_t __len, mbstate_t *__restrict __ps),
	308	mbsrtowcs);
	309
b037a293	310	__extern_always_inline size_t
dc4bb1c2 UD	311	__NTH (mbsrtowcs (wchar_t __restrict __dst, __const char *__restrict __src,
dc4bb1c2 UD	312	size_t __len, mbstate_t *__restrict __ps))
df6f8969 UD	313	{
	314	if (__bos (__dst) != (size_t) -1
	315	&& (!__builtin_constant_p (__len)
f9a906e7 UD	316	\|\| __len > __bos (__dst) / sizeof (wchar_t)))
	317	return __mbsrtowcs_chk (__dst, __src, __len, __ps,
	318	__bos (__dst) / sizeof (wchar_t));
df6f8969 UD	319	return __mbsrtowcs_alias (__dst, __src, __len, __ps);
	320	}
	321
	322
	323	extern size_t __wcsrtombs_chk (char *__restrict __dst,
	324	__const wchar_t **__restrict __src,
	325	size_t __len, mbstate_t *__restrict __ps,
	326	size_t __dstlen) __THROW;
	327	extern size_t __REDIRECT_NTH (__wcsrtombs_alias,
	328	(char *__restrict __dst,
	329	__const wchar_t **__restrict __src,
	330	size_t __len, mbstate_t *__restrict __ps),
	331	wcsrtombs);
	332
b037a293	333	__extern_always_inline size_t
dc4bb1c2 UD	334	__NTH (wcsrtombs (char __restrict __dst, __const wchar_t *__restrict __src,
dc4bb1c2 UD	335	size_t __len, mbstate_t *__restrict __ps))
df6f8969 UD	336	{
	337	if (__bos (__dst) != (size_t) -1
	338	&& (!__builtin_constant_p (__len) \|\| __len > __bos (__dst)))
	339	return __wcsrtombs_chk (__dst, __src, __len, __ps, __bos (__dst));
	340	return __wcsrtombs_alias (__dst, __src, __len, __ps);
	341	}
	342
	343
	344	#ifdef __USE_GNU
	345	extern size_t __mbsnrtowcs_chk (wchar_t *__restrict __dst,
	346	__const char **__restrict __src, size_t __nmc,
	347	size_t __len, mbstate_t *__restrict __ps,
	348	size_t __dstlen) __THROW;
	349	extern size_t __REDIRECT_NTH (__mbsnrtowcs_alias,
	350	(wchar_t *__restrict __dst,
	351	__const char **__restrict __src, size_t __nmc,
	352	size_t __len, mbstate_t *__restrict __ps),
	353	mbsnrtowcs);
	354
b037a293	355	__extern_always_inline size_t
dc4bb1c2 UD	356	__NTH (mbsnrtowcs (wchar_t __restrict __dst, __const char *__restrict __src,
dc4bb1c2 UD	357	size_t __nmc, size_t __len, mbstate_t *__restrict __ps))
df6f8969 UD	358	{
	359	if (__bos (__dst) != (size_t) -1
	360	&& (!__builtin_constant_p (__len)
f9a906e7 UD	361	\|\| __len > __bos (__dst) / sizeof (wchar_t)))
	362	return __mbsnrtowcs_chk (__dst, __src, __nmc, __len, __ps,
	363	__bos (__dst) / sizeof (wchar_t));
df6f8969 UD	364	return __mbsnrtowcs_alias (__dst, __src, __nmc, __len, __ps);
	365	}
	366
	367
	368	extern size_t __wcsnrtombs_chk (char *__restrict __dst,
	369	__const wchar_t **__restrict __src,
	370	size_t __nwc, size_t __len,
	371	mbstate_t *__restrict __ps, size_t __dstlen)
	372	__THROW;
	373	extern size_t __REDIRECT_NTH (__wcsnrtombs_alias,
	374	(char *__restrict __dst,
	375	__const wchar_t **__restrict __src,
	376	size_t __nwc, size_t __len,
	377	mbstate_t *__restrict __ps), wcsnrtombs);
	378
b037a293	379	__extern_always_inline size_t
dc4bb1c2 UD	380	__NTH (wcsnrtombs (char __restrict __dst, __const wchar_t *__restrict __src,
dc4bb1c2 UD	381	size_t __nwc, size_t __len, mbstate_t *__restrict __ps))
df6f8969 UD	382	{
	383	if (__bos (__dst) != (size_t) -1
	384	&& (!__builtin_constant_p (__len) \|\| __len > __bos (__dst)))
	385	return __wcsnrtombs_chk (__dst, __src, __nwc, __len, __ps, __bos (__dst));
	386	return __wcsnrtombs_alias (__dst, __src, __nwc, __len, __ps);
	387	}
	388	#endif