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/* Checking macros for stdio functions. Declarations only.
Copyright (C) 2004-2025 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, see
<https://www.gnu.org/licenses/>. */
#ifndef _BITS_STDIO2_DEC_H
#define _BITS_STDIO2_DEC_H 1
#ifndef _STDIO_H
# error "Never include <bits/stdio2-decl.h> directly; use <stdio.h> instead."
#endif
extern int __sprintf_chk (char *__restrict __s, int __flag, size_t __slen,
const char *__restrict __format, ...) __THROW
__attr_access ((__write_only__, 1, 3));
extern int __vsprintf_chk (char *__restrict __s, int __flag, size_t __slen,
const char *__restrict __format,
__gnuc_va_list __ap) __THROW
__attr_access ((__write_only__, 1, 3));
#if 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
__attr_access ((__write_only__, 1, 2));
extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag,
size_t __slen, const char *__restrict __format,
__gnuc_va_list __ap) __THROW
__attr_access ((__write_only__, 1, 2));
#endif
#if __USE_FORTIFY_LEVEL > 1
extern int __fprintf_chk (FILE *__restrict __stream, int __flag,
const char *__restrict __format, ...)
__nonnull ((1));
extern int __printf_chk (int __flag, const char *__restrict __format, ...);
extern int __vfprintf_chk (FILE *__restrict __stream, int __flag,
const char *__restrict __format,
__gnuc_va_list __ap) __nonnull ((1));
extern int __vprintf_chk (int __flag, const char *__restrict __format,
__gnuc_va_list __ap);
# ifdef __USE_XOPEN2K8
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, __gnuc_va_list __arg)
__attribute__ ((__format__ (__printf__, 3, 0)));
# endif
# 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, __gnuc_va_list __arg)
__THROW __attribute__ ((__format__ (__printf__, 3, 0))) __wur;
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,
__gnuc_va_list __args)
__THROW __attribute__ ((__format__ (__printf__, 3, 0)));
# endif
#endif
#if __GLIBC_USE (DEPRECATED_GETS)
extern char *__REDIRECT (__gets_warn, (char *__str), gets)
__wur __warnattr ("please use fgets or getline instead, gets can't "
"specify buffer size");
extern char *__gets_chk (char *__str, size_t) __wur;
#endif
extern char *__REDIRECT (__fgets_alias,
(char *__restrict __s, int __n,
FILE *__restrict __stream), fgets)
__wur __attr_access ((__write_only__, 1, 2));
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 char *__fgets_chk (char *__restrict __s, size_t __size, int __n,
FILE *__restrict __stream)
__wur __attr_access ((__write_only__, 1, 3)) __nonnull ((4));
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 size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen,
size_t __size, size_t __n,
FILE *__restrict __stream) __wur __nonnull ((5));
#ifdef __USE_GNU
extern char *__REDIRECT_FORTIFY (__fgets_unlocked_alias,
(char *__restrict __s, int __n,
FILE *__restrict __stream), fgets_unlocked)
__wur __attr_access ((__write_only__, 1, 2));
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 char *__fgets_unlocked_chk (char *__restrict __s, size_t __size,
int __n, FILE *__restrict __stream)
__wur __attr_access ((__write_only__, 1, 3)) __nonnull ((4));
#endif
#ifdef __USE_MISC
# undef fread_unlocked
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 size_t __fread_unlocked_chk (void *__restrict __ptr, size_t __ptrlen,
size_t __size, size_t __n,
FILE *__restrict __stream)
__wur __nonnull ((5));
#endif
#endif /* bits/stdio2-decl.h. */
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