[thirdparty/glibc.git] / libio / bits / stdio2.h

/* Checking macros for stdio functions.
   Copyright (C) 2004, 2005, 2007, 2008, 2012 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 _STDIO_H
# error "Never include <bits/stdio2.h> directly; use <stdio.h> instead."
#endif

extern int __sprintf_chk (char *__restrict __s, int __flag, size_t __slen,
			  const char *__restrict __format, ...) __THROW;
extern int __vsprintf_chk (char *__restrict __s, int __flag, size_t __slen,
			   const char *__restrict __format,
			   _G_va_list __ap) __THROW;

#ifdef __va_arg_pack
__extern_always_inline int
__NTH (sprintf (char *__restrict __s, const char *__restrict __fmt, ...))
{
  return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
				  __bos (__s), __fmt, __va_arg_pack ());
}
#elif !defined __cplusplus
# define sprintf(str, ...) \
  __builtin___sprintf_chk (str, __USE_FORTIFY_LEVEL - 1, __bos (str), \
			   __VA_ARGS__)
#endif

__extern_always_inline int
__NTH (vsprintf (char *__restrict __s, const char *__restrict __fmt,
		 _G_va_list __ap))
{
  return __builtin___vsprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
				   __bos (__s), __fmt, __ap);
}

#if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98

extern int __snprintf_chk (char *__restrict __s, size_t __n, int __flag,
			   size_t __slen, const char *__restrict __format,
			   ...) __THROW;
extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag,
			    size_t __slen, const char *__restrict __format,
			    _G_va_list __ap) __THROW;

# ifdef __va_arg_pack
__extern_always_inline int
__NTH (snprintf (char *__restrict __s, size_t __n,
		 const char *__restrict __fmt, ...))
{
  return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
				   __bos (__s), __fmt, __va_arg_pack ());
}
# elif !defined __cplusplus
#  define snprintf(str, len, ...) \
  __builtin___snprintf_chk (str, len, __USE_FORTIFY_LEVEL - 1, __bos (str), \
			    __VA_ARGS__)
# endif

__extern_always_inline int
__NTH (vsnprintf (char *__restrict __s, size_t __n,
		  const char *__restrict __fmt, _G_va_list __ap))
{
  return __builtin___vsnprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
				    __bos (__s), __fmt, __ap);
}

#endif

#if __USE_FORTIFY_LEVEL > 1

extern int __fprintf_chk (FILE *__restrict __stream, int __flag,
			  const char *__restrict __format, ...);
extern int __printf_chk (int __flag, const char *__restrict __format, ...);
extern int __vfprintf_chk (FILE *__restrict __stream, int __flag,
			   const char *__restrict __format, _G_va_list __ap);
extern int __vprintf_chk (int __flag, const char *__restrict __format,
			  _G_va_list __ap);

# ifdef __va_arg_pack
__extern_always_inline int
fprintf (FILE *__restrict __stream, const char *__restrict __fmt, ...)
{
  return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt,
			__va_arg_pack ());
}

__extern_always_inline int
printf (const char *__restrict __fmt, ...)
{
  return __printf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __va_arg_pack ());
}
# elif !defined __cplusplus
#  define printf(...) \
  __printf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#  define fprintf(stream, ...) \
  __fprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
# endif

__extern_always_inline int
vprintf (const char *__restrict __fmt, _G_va_list __ap)
{
#ifdef __USE_EXTERN_INLINES
  return __vfprintf_chk (stdout, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
#else
  return __vprintf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __ap);
#endif
}

__extern_always_inline int
vfprintf (FILE *__restrict __stream,
	  const char *__restrict __fmt, _G_va_list __ap)
{
  return __vfprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
}

# ifdef __USE_GNU

extern int __asprintf_chk (char **__restrict __ptr, int __flag,
			   const char *__restrict __fmt, ...)
     __THROW __attribute__ ((__format__ (__printf__, 3, 4))) __wur;
extern int __vasprintf_chk (char **__restrict __ptr, int __flag,
			    const char *__restrict __fmt, _G_va_list __arg)
     __THROW __attribute__ ((__format__ (__printf__, 3, 0))) __wur;
extern int __dprintf_chk (int __fd, int __flag, const char *__restrict __fmt,
			  ...) __attribute__ ((__format__ (__printf__, 3, 4)));
extern int __vdprintf_chk (int __fd, int __flag,
			   const char *__restrict __fmt, _G_va_list __arg)
     __attribute__ ((__format__ (__printf__, 3, 0)));
extern int __obstack_printf_chk (struct obstack *__restrict __obstack,
				 int __flag, const char *__restrict __format,
				 ...)
     __THROW __attribute__ ((__format__ (__printf__, 3, 4)));
extern int __obstack_vprintf_chk (struct obstack *__restrict __obstack,
				  int __flag,
				  const char *__restrict __format,
				  _G_va_list __args)
     __THROW __attribute__ ((__format__ (__printf__, 3, 0)));

#  ifdef __va_arg_pack
__extern_always_inline int
__NTH (asprintf (char **__restrict __ptr, const char *__restrict __fmt, ...))
{
  return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt,
			 __va_arg_pack ());
}

__extern_always_inline int
__NTH (__asprintf (char **__restrict __ptr, const char *__restrict __fmt,
		   ...))
{
  return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt,
			 __va_arg_pack ());
}

__extern_always_inline int
dprintf (int __fd, const char *__restrict __fmt, ...)
{
  return __dprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt,
			__va_arg_pack ());
}

__extern_always_inline int
__NTH (obstack_printf (struct obstack *__restrict __obstack,
		       const char *__restrict __fmt, ...))
{
  return __obstack_printf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt,
			       __va_arg_pack ());
}
#  elif !defined __cplusplus
#   define asprintf(ptr, ...) \
  __asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#   define __asprintf(ptr, ...) \
  __asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#   define dprintf(fd, ...) \
  __dprintf_chk (fd, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#   define obstack_printf(obstack, ...) \
  __obstack_printf_chk (obstack, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#  endif

__extern_always_inline int
__NTH (vasprintf (char **__restrict __ptr, const char *__restrict __fmt,
		  _G_va_list __ap))
{
  return __vasprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
}

__extern_always_inline int
vdprintf (int __fd, const char *__restrict __fmt, _G_va_list __ap)
{
  return __vdprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
}

__extern_always_inline int
__NTH (obstack_vprintf (struct obstack *__restrict __obstack,
			const char *__restrict __fmt, _G_va_list __ap))
{
  return __obstack_vprintf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt,
				__ap);
}

# endif

#endif

extern char *__gets_chk (char *__str, size_t) __wur;
extern char *__REDIRECT (__gets_warn, (char *__str), gets)
     __wur __warnattr ("please use fgets or getline instead, gets can't "
		       "specify buffer size");

__extern_always_inline __wur char *
gets (char *__str)
{
  if (__bos (__str) != (size_t) -1)
    return __gets_chk (__str, __bos (__str));
  return __gets_warn (__str);
}

extern char *__fgets_chk (char *__restrict __s, size_t __size, int __n,
			  FILE *__restrict __stream) __wur;
extern char *__REDIRECT (__fgets_alias,
			 (char *__restrict __s, int __n,
			  FILE *__restrict __stream), fgets) __wur;
extern char *__REDIRECT (__fgets_chk_warn,
			 (char *__restrict __s, size_t __size, int __n,
			  FILE *__restrict __stream), __fgets_chk)
     __wur __warnattr ("fgets called with bigger size than length "
		       "of destination buffer");

__extern_always_inline __wur char *
fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
{
  if (__bos (__s) != (size_t) -1)
    {
      if (!__builtin_constant_p (__n) || __n <= 0)
	return __fgets_chk (__s, __bos (__s), __n, __stream);

      if ((size_t) __n > __bos (__s))
	return __fgets_chk_warn (__s, __bos (__s), __n, __stream);
    }
  return __fgets_alias (__s, __n, __stream);
}

extern size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen,
			   size_t __size, size_t __n,
			   FILE *__restrict __stream) __wur;
extern size_t __REDIRECT (__fread_alias,
			  (void *__restrict __ptr, size_t __size,
			   size_t __n, FILE *__restrict __stream),
			  fread) __wur;
extern size_t __REDIRECT (__fread_chk_warn,
			  (void *__restrict __ptr, size_t __ptrlen,
			   size_t __size, size_t __n,
			   FILE *__restrict __stream),
			  __fread_chk)
     __wur __warnattr ("fread called with bigger size * nmemb than length "
		       "of destination buffer");

__extern_always_inline __wur size_t
fread (void *__restrict __ptr, size_t __size, size_t __n,
       FILE *__restrict __stream)
{
  if (__bos0 (__ptr) != (size_t) -1)
    {
      if (!__builtin_constant_p (__size)
	  || !__builtin_constant_p (__n)
	  || (__size | __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2)))
	return __fread_chk (__ptr, __bos0 (__ptr), __size, __n, __stream);

      if (__size * __n > __bos0 (__ptr))
	return __fread_chk_warn (__ptr, __bos0 (__ptr), __size, __n, __stream);
    }
  return __fread_alias (__ptr, __size, __n, __stream);
}

#ifdef __USE_GNU
extern char *__fgets_unlocked_chk (char *__restrict __s, size_t __size,
				   int __n, FILE *__restrict __stream) __wur;
extern char *__REDIRECT (__fgets_unlocked_alias,
			 (char *__restrict __s, int __n,
			  FILE *__restrict __stream), fgets_unlocked) __wur;
extern char *__REDIRECT (__fgets_unlocked_chk_warn,
			 (char *__restrict __s, size_t __size, int __n,
			  FILE *__restrict __stream), __fgets_unlocked_chk)
     __wur __warnattr ("fgets_unlocked called with bigger size than length "
		       "of destination buffer");

__extern_always_inline __wur char *
fgets_unlocked (char *__restrict __s, int __n, FILE *__restrict __stream)
{
  if (__bos (__s) != (size_t) -1)
    {
      if (!__builtin_constant_p (__n) || __n <= 0)
	return __fgets_unlocked_chk (__s, __bos (__s), __n, __stream);

      if ((size_t) __n > __bos (__s))
	return __fgets_unlocked_chk_warn (__s, __bos (__s), __n, __stream);
    }
  return __fgets_unlocked_alias (__s, __n, __stream);
}
#endif

#ifdef __USE_MISC
# undef fread_unlocked
extern size_t __fread_unlocked_chk (void *__restrict __ptr, size_t __ptrlen,
				    size_t __size, size_t __n,
				    FILE *__restrict __stream) __wur;
extern size_t __REDIRECT (__fread_unlocked_alias,
			  (void *__restrict __ptr, size_t __size,
			   size_t __n, FILE *__restrict __stream),
			  fread_unlocked) __wur;
extern size_t __REDIRECT (__fread_unlocked_chk_warn,
			  (void *__restrict __ptr, size_t __ptrlen,
			   size_t __size, size_t __n,
			   FILE *__restrict __stream),
			  __fread_unlocked_chk)
     __wur __warnattr ("fread_unlocked called with bigger size * nmemb than "
		       "length of destination buffer");

__extern_always_inline __wur size_t
fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n,
		FILE *__restrict __stream)
{
  if (__bos0 (__ptr) != (size_t) -1)
    {
      if (!__builtin_constant_p (__size)
	  || !__builtin_constant_p (__n)
	  || (__size | __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2)))
	return __fread_unlocked_chk (__ptr, __bos0 (__ptr), __size, __n,
				     __stream);

      if (__size * __n > __bos0 (__ptr))
	return __fread_unlocked_chk_warn (__ptr, __bos0 (__ptr), __size, __n,
					  __stream);
    }

# ifdef __USE_EXTERN_INLINES
  if (__builtin_constant_p (__size)
      && __builtin_constant_p (__n)
      && (__size | __n) < (((size_t) 1) << (8 * sizeof (size_t) / 2))
      && __size * __n <= 8)
    {
      size_t __cnt = __size * __n;
      char *__cptr = (char *) __ptr;
      if (__cnt == 0)
	return 0;

      for (; __cnt > 0; --__cnt)
	{
	  int __c = _IO_getc_unlocked (__stream);
	  if (__c == EOF)
	    break;
	  *__cptr++ = __c;
	}
      return (__cptr - (char *) __ptr) / __size;
    }
# endif
  return __fread_unlocked_alias (__ptr, __size, __n, __stream);
}
#endif
Commit	Line	Data
b5cc329c	1	/* Checking macros for stdio functions.
a784e502	2	Copyright (C) 2004, 2005, 2007, 2008, 2012 Free Software Foundation, Inc.
b5cc329c 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 _STDIO_H
	21	# error "Never include <bits/stdio2.h> directly; use <stdio.h> instead."
	22	#endif
	23
	24	extern int __sprintf_chk (char *__restrict __s, int __flag, size_t __slen,
a784e502	25	const char *__restrict __format, ...) __THROW;
b5cc329c	26	extern int __vsprintf_chk (char *__restrict __s, int __flag, size_t __slen,
a784e502	27	const char *__restrict __format,
b5cc329c UD	28	_G_va_list __ap) __THROW;
b5cc329c UD	29
de1c3ebb UD	30	#ifdef __va_arg_pack
de1c3ebb UD	31	__extern_always_inline int
a784e502	32	__NTH (sprintf (char __restrict __s, const char __restrict __fmt, ...))
de1c3ebb UD	33	{
	34	return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
	35	__bos (__s), __fmt, __va_arg_pack ());
	36	}
	37	#elif !defined __cplusplus
	38	# define sprintf(str, ...) \
b5cc329c UD	39	__builtin___sprintf_chk (str, __USE_FORTIFY_LEVEL - 1, __bos (str), \
b5cc329c UD	40	__VA_ARGS__)
de1c3ebb UD	41	#endif
	42
	43	__extern_always_inline int
a784e502	44	__NTH (vsprintf (char __restrict __s, const char __restrict __fmt,
de1c3ebb UD	45	_G_va_list __ap))
	46	{
	47	return __builtin___vsprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
	48	__bos (__s), __fmt, __ap);
	49	}
b5cc329c UD	50
	51	#if defined __USE_BSD \|\| defined __USE_ISOC99 \|\| defined __USE_UNIX98
	52
	53	extern int __snprintf_chk (char *__restrict __s, size_t __n, int __flag,
a784e502	54	size_t __slen, const char *__restrict __format,
b5cc329c UD	55	...) __THROW;
b5cc329c UD	56	extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag,
a784e502	57	size_t __slen, const char *__restrict __format,
b5cc329c UD	58	_G_va_list __ap) __THROW;
b5cc329c UD	59
de1c3ebb UD	60	# ifdef __va_arg_pack
	61	__extern_always_inline int
	62	__NTH (snprintf (char *__restrict __s, size_t __n,
a784e502	63	const char *__restrict __fmt, ...))
de1c3ebb UD	64	{
	65	return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
	66	__bos (__s), __fmt, __va_arg_pack ());
	67	}
	68	# elif !defined __cplusplus
	69	# define snprintf(str, len, ...) \
b5cc329c UD	70	__builtin___snprintf_chk (str, len, __USE_FORTIFY_LEVEL - 1, __bos (str), \
b5cc329c UD	71	__VA_ARGS__)
de1c3ebb UD	72	# endif
	73
	74	__extern_always_inline int
	75	__NTH (vsnprintf (char *__restrict __s, size_t __n,
a784e502	76	const char *__restrict __fmt, _G_va_list __ap))
de1c3ebb UD	77	{
	78	return __builtin___vsnprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
	79	__bos (__s), __fmt, __ap);
	80	}
b5cc329c	81
553cc5f9	82	#endif
b5cc329c UD	83
	84	#if __USE_FORTIFY_LEVEL > 1
	85
	86	extern int __fprintf_chk (FILE *__restrict __stream, int __flag,
a784e502 UD	87	const char *__restrict __format, ...);
a784e502 UD	88	extern int __printf_chk (int __flag, const char *__restrict __format, ...);
b5cc329c	89	extern int __vfprintf_chk (FILE *__restrict __stream, int __flag,
a784e502 UD	90	const char *__restrict __format, _G_va_list __ap);
a784e502 UD	91	extern int __vprintf_chk (int __flag, const char *__restrict __format,
b5cc329c UD	92	_G_va_list __ap);
b5cc329c UD	93
de1c3ebb UD	94	# ifdef __va_arg_pack
de1c3ebb UD	95	__extern_always_inline int
a784e502	96	fprintf (FILE __restrict __stream, const char __restrict __fmt, ...)
de1c3ebb UD	97	{
	98	return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt,
	99	__va_arg_pack ());
	100	}
	101
	102	__extern_always_inline int
a784e502	103	printf (const char *__restrict __fmt, ...)
de1c3ebb UD	104	{
	105	return __printf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __va_arg_pack ());
	106	}
	107	# elif !defined __cplusplus
	108	# define printf(...) \
b5cc329c	109	__printf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
de1c3ebb	110	# define fprintf(stream, ...) \
b5cc329c	111	__fprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
de1c3ebb UD	112	# endif
	113
	114	__extern_always_inline int
a784e502	115	vprintf (const char *__restrict __fmt, _G_va_list __ap)
de1c3ebb UD	116	{
	117	#ifdef __USE_EXTERN_INLINES
	118	return __vfprintf_chk (stdout, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
	119	#else
	120	return __vprintf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __ap);
	121	#endif
	122	}
	123
	124	__extern_always_inline int
	125	vfprintf (FILE *__restrict __stream,
a784e502	126	const char *__restrict __fmt, _G_va_list __ap)
de1c3ebb UD	127	{
	128	return __vfprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
	129	}
b5cc329c	130
dff37515 UD	131	# ifdef __USE_GNU
	132
	133	extern int __asprintf_chk (char **__restrict __ptr, int __flag,
a784e502	134	const char *__restrict __fmt, ...)
dff37515 UD	135	__THROW __attribute__ ((__format__ (__printf__, 3, 4))) __wur;
dff37515 UD	136	extern int __vasprintf_chk (char **__restrict __ptr, int __flag,
a784e502	137	const char *__restrict __fmt, _G_va_list __arg)
dff37515	138	__THROW __attribute__ ((__format__ (__printf__, 3, 0))) __wur;
a784e502	139	extern int __dprintf_chk (int __fd, int __flag, const char *__restrict __fmt,
dff37515 UD	140	...) __attribute__ ((__format__ (__printf__, 3, 4)));
dff37515 UD	141	extern int __vdprintf_chk (int __fd, int __flag,
a784e502	142	const char *__restrict __fmt, _G_va_list __arg)
dff37515 UD	143	__attribute__ ((__format__ (__printf__, 3, 0)));
dff37515 UD	144	extern int __obstack_printf_chk (struct obstack *__restrict __obstack,
a784e502	145	int __flag, const char *__restrict __format,
dff37515 UD	146	...)
	147	__THROW __attribute__ ((__format__ (__printf__, 3, 4)));
	148	extern int __obstack_vprintf_chk (struct obstack *__restrict __obstack,
	149	int __flag,
a784e502	150	const char *__restrict __format,
dff37515 UD	151	_G_va_list __args)
	152	__THROW __attribute__ ((__format__ (__printf__, 3, 0)));
	153
	154	# ifdef __va_arg_pack
	155	__extern_always_inline int
a784e502	156	__NTH (asprintf (char *__restrict __ptr, const char __restrict __fmt, ...))
dff37515 UD	157	{
	158	return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt,
	159	__va_arg_pack ());
	160	}
	161
	162	__extern_always_inline int
a784e502	163	__NTH (__asprintf (char *__restrict __ptr, const char __restrict __fmt,
dff37515 UD	164	...))
	165	{
	166	return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt,
	167	__va_arg_pack ());
	168	}
	169
	170	__extern_always_inline int
a784e502	171	dprintf (int __fd, const char *__restrict __fmt, ...)
dff37515 UD	172	{
	173	return __dprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt,
	174	__va_arg_pack ());
	175	}
	176
	177	__extern_always_inline int
	178	__NTH (obstack_printf (struct obstack *__restrict __obstack,
a784e502	179	const char *__restrict __fmt, ...))
dff37515 UD	180	{
	181	return __obstack_printf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt,
	182	__va_arg_pack ());
	183	}
	184	# elif !defined __cplusplus
	185	# define asprintf(ptr, ...) \
	186	__asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
	187	# define __asprintf(ptr, ...) \
	188	__asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
	189	# define dprintf(fd, ...) \
	190	__dprintf_chk (fd, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
	191	# define obstack_printf(obstack, ...) \
	192	__obstack_printf_chk (obstack, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
	193	# endif
	194
	195	__extern_always_inline int
a784e502	196	__NTH (vasprintf (char *__restrict __ptr, const char __restrict __fmt,
dff37515 UD	197	_G_va_list __ap))
	198	{
	199	return __vasprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
	200	}
	201
	202	__extern_always_inline int
a784e502	203	vdprintf (int __fd, const char *__restrict __fmt, _G_va_list __ap)
dff37515 UD	204	{
	205	return __vdprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
	206	}
	207
	208	__extern_always_inline int
	209	__NTH (obstack_vprintf (struct obstack *__restrict __obstack,
a784e502	210	const char *__restrict __fmt, _G_va_list __ap))
dff37515 UD	211	{
	212	return __obstack_vprintf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt,
	213	__ap);
	214	}
	215
	216	# endif
	217
b5cc329c UD	218	#endif
b5cc329c UD	219
88764ae2	220	extern char __gets_chk (char __str, size_t) __wur;
d6cd6bf4 UD	221	extern char __REDIRECT (__gets_warn, (char __str), gets)
	222	__wur __warnattr ("please use fgets or getline instead, gets can't "
	223	"specify buffer size");
88764ae2	224
b037a293	225	__extern_always_inline __wur char *
88764ae2 UD	226	gets (char *__str)
	227	{
	228	if (__bos (__str) != (size_t) -1)
	229	return __gets_chk (__str, __bos (__str));
d6cd6bf4	230	return __gets_warn (__str);
88764ae2 UD	231	}
	232
	233	extern char __fgets_chk (char __restrict __s, size_t __size, int __n,
	234	FILE *__restrict __stream) __wur;
	235	extern char *__REDIRECT (__fgets_alias,
	236	(char *__restrict __s, int __n,
	237	FILE *__restrict __stream), fgets) __wur;
d6cd6bf4 UD	238	extern char *__REDIRECT (__fgets_chk_warn,
	239	(char *__restrict __s, size_t __size, int __n,
	240	FILE *__restrict __stream), __fgets_chk)
	241	__wur __warnattr ("fgets called with bigger size than length "
	242	"of destination buffer");
88764ae2	243
b037a293	244	__extern_always_inline __wur char *
88764ae2 UD	245	fgets (char __restrict __s, int __n, FILE __restrict __stream)
88764ae2 UD	246	{
d6cd6bf4 UD	247	if (__bos (__s) != (size_t) -1)
	248	{
	249	if (!__builtin_constant_p (__n) \|\| __n <= 0)
	250	return __fgets_chk (__s, __bos (__s), __n, __stream);
	251
	252	if ((size_t) __n > __bos (__s))
	253	return __fgets_chk_warn (__s, __bos (__s), __n, __stream);
	254	}
88764ae2 UD	255	return __fgets_alias (__s, __n, __stream);
	256	}
	257
3586b2b6 UD	258	extern size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen,
	259	size_t __size, size_t __n,
	260	FILE *__restrict __stream) __wur;
	261	extern size_t __REDIRECT (__fread_alias,
	262	(void *__restrict __ptr, size_t __size,
	263	size_t __n, FILE *__restrict __stream),
	264	fread) __wur;
d6cd6bf4 UD	265	extern size_t __REDIRECT (__fread_chk_warn,
	266	(void *__restrict __ptr, size_t __ptrlen,
	267	size_t __size, size_t __n,
	268	FILE *__restrict __stream),
	269	__fread_chk)
	270	__wur __warnattr ("fread called with bigger size * nmemb than length "
	271	"of destination buffer");
3586b2b6 UD	272
	273	__extern_always_inline __wur size_t
	274	fread (void *__restrict __ptr, size_t __size, size_t __n,
	275	FILE *__restrict __stream)
	276	{
d6cd6bf4 UD	277	if (__bos0 (__ptr) != (size_t) -1)
	278	{
	279	if (!__builtin_constant_p (__size)
3586b2b6	280	\|\| !__builtin_constant_p (__n)
d6cd6bf4 UD	281	\|\| (__size \| __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2)))
	282	return __fread_chk (__ptr, __bos0 (__ptr), __size, __n, __stream);
	283
	284	if (__size * __n > __bos0 (__ptr))
	285	return __fread_chk_warn (__ptr, __bos0 (__ptr), __size, __n, __stream);
	286	}
3586b2b6 UD	287	return __fread_alias (__ptr, __size, __n, __stream);
	288	}
	289
88764ae2 UD	290	#ifdef __USE_GNU
	291	extern char __fgets_unlocked_chk (char __restrict __s, size_t __size,
	292	int __n, FILE *__restrict __stream) __wur;
	293	extern char *__REDIRECT (__fgets_unlocked_alias,
	294	(char *__restrict __s, int __n,
	295	FILE *__restrict __stream), fgets_unlocked) __wur;
d6cd6bf4 UD	296	extern char *__REDIRECT (__fgets_unlocked_chk_warn,
	297	(char *__restrict __s, size_t __size, int __n,
	298	FILE *__restrict __stream), __fgets_unlocked_chk)
	299	__wur __warnattr ("fgets_unlocked called with bigger size than length "
	300	"of destination buffer");
88764ae2	301
b037a293	302	__extern_always_inline __wur char *
88764ae2 UD	303	fgets_unlocked (char __restrict __s, int __n, FILE __restrict __stream)
88764ae2 UD	304	{
d6cd6bf4 UD	305	if (__bos (__s) != (size_t) -1)
	306	{
	307	if (!__builtin_constant_p (__n) \|\| __n <= 0)
	308	return __fgets_unlocked_chk (__s, __bos (__s), __n, __stream);
	309
	310	if ((size_t) __n > __bos (__s))
	311	return __fgets_unlocked_chk_warn (__s, __bos (__s), __n, __stream);
	312	}
88764ae2 UD	313	return __fgets_unlocked_alias (__s, __n, __stream);
	314	}
	315	#endif
3586b2b6 UD	316
	317	#ifdef __USE_MISC
	318	# undef fread_unlocked
	319	extern size_t __fread_unlocked_chk (void *__restrict __ptr, size_t __ptrlen,
	320	size_t __size, size_t __n,
	321	FILE *__restrict __stream) __wur;
	322	extern size_t __REDIRECT (__fread_unlocked_alias,
	323	(void *__restrict __ptr, size_t __size,
	324	size_t __n, FILE *__restrict __stream),
	325	fread_unlocked) __wur;
d6cd6bf4 UD	326	extern size_t __REDIRECT (__fread_unlocked_chk_warn,
	327	(void *__restrict __ptr, size_t __ptrlen,
	328	size_t __size, size_t __n,
	329	FILE *__restrict __stream),
	330	__fread_unlocked_chk)
	331	__wur __warnattr ("fread_unlocked called with bigger size * nmemb than "
	332	"length of destination buffer");
3586b2b6 UD	333
	334	__extern_always_inline __wur size_t
	335	fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n,
	336	FILE *__restrict __stream)
	337	{
d6cd6bf4 UD	338	if (__bos0 (__ptr) != (size_t) -1)
	339	{
	340	if (!__builtin_constant_p (__size)
3586b2b6	341	\|\| !__builtin_constant_p (__n)
d6cd6bf4 UD	342	\|\| (__size \| __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2)))
	343	return __fread_unlocked_chk (__ptr, __bos0 (__ptr), __size, __n,
	344	__stream);
	345
	346	if (__size * __n > __bos0 (__ptr))
	347	return __fread_unlocked_chk_warn (__ptr, __bos0 (__ptr), __size, __n,
	348	__stream);
	349	}
3586b2b6 UD	350
	351	# ifdef __USE_EXTERN_INLINES
	352	if (__builtin_constant_p (__size)
	353	&& __builtin_constant_p (__n)
	354	&& (__size \| __n) < (((size_t) 1) << (8 * sizeof (size_t) / 2))
	355	&& __size * __n <= 8)
	356	{
	357	size_t __cnt = __size * __n;
	358	char __cptr = (char ) __ptr;
	359	if (__cnt == 0)
	360	return 0;
	361
	362	for (; __cnt > 0; --__cnt)
	363	{
	364	int __c = _IO_getc_unlocked (__stream);
	365	if (__c == EOF)
	366	break;
	367	*__cptr++ = __c;
	368	}
	369	return (__cptr - (char *) __ptr) / __size;
	370	}
	371	# endif
	372	return __fread_unlocked_alias (__ptr, __size, __n, __stream);
	373	}
	374	#endif