ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / include / bits

/* Checking macros for stdio functions.
   Copyright (C) 2004-2021 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_H
#define _BITS_STDIO2_H 1

#ifndef _STDIO_H
# error "Never include <bits/stdio2.h> directly; use <stdio.h> instead."
#endif

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

__fortify_function int
__NTH (vsprintf (char *__restrict __s, const char *__restrict __fmt,
		 __gnuc_va_list __ap))
{
  return __builtin___vsprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
				   __glibc_objsize (__s), __fmt, __ap);
}

#if defined __USE_ISOC99 || defined __USE_UNIX98
# ifdef __va_arg_pack
__fortify_function int
__NTH (snprintf (char *__restrict __s, size_t __n,
		 const char *__restrict __fmt, ...))
{
  return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
				   __glibc_objsize (__s), __fmt,
				   __va_arg_pack ());
}
# elif !defined __cplusplus
#  define snprintf(str, len, ...) \
  __builtin___snprintf_chk (str, len, __USE_FORTIFY_LEVEL - 1,		      \
			    __glibc_objsize (str), __VA_ARGS__)
# endif

__fortify_function int
__NTH (vsnprintf (char *__restrict __s, size_t __n,
		  const char *__restrict __fmt, __gnuc_va_list __ap))
{
  return __builtin___vsnprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
				    __glibc_objsize (__s), __fmt, __ap);
}

#endif

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

__fortify_function 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

__fortify_function int
vprintf (const char *__restrict __fmt, __gnuc_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
}

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

# ifdef __USE_XOPEN2K8
#  ifdef __va_arg_pack
__fortify_function int
dprintf (int __fd, const char *__restrict __fmt, ...)
{
  return __dprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt,
			__va_arg_pack ());
}
#  elif !defined __cplusplus
#   define dprintf(fd, ...) \
  __dprintf_chk (fd, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#  endif

__fortify_function int
vdprintf (int __fd, const char *__restrict __fmt, __gnuc_va_list __ap)
{
  return __vdprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
}
# endif

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

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

__fortify_function 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 obstack_printf(obstack, ...) \
  __obstack_printf_chk (obstack, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#  endif

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

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

# 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");

__fortify_function __wur char *
gets (char *__str)
{
  if (__glibc_objsize (__str) != (size_t) -1)
    return __gets_chk (__str, __glibc_objsize (__str));
  return __gets_warn (__str);
}
#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");

__fortify_function __wur __fortified_attr_access (__write_only__, 1, 2) char *
fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
{
  size_t sz = __glibc_objsize (__s);
  if (__glibc_safe_or_unknown_len (__n, sizeof (char), sz))
    return __fgets_alias (__s, __n, __stream);
  if (__glibc_unsafe_len (__n, sizeof (char), sz))
    return __fgets_chk_warn (__s, sz, __n, __stream);
  return __fgets_chk (__s, sz, __n, __stream);
}

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");

__fortify_function __wur size_t
fread (void *__restrict __ptr, size_t __size, size_t __n,
       FILE *__restrict __stream)
{
  size_t sz = __glibc_objsize0 (__ptr);
  if (__glibc_safe_or_unknown_len (__n, __size, sz))
    return __fread_alias (__ptr, __size, __n, __stream);
  if (__glibc_unsafe_len (__n, __size, sz))
    return __fread_chk_warn (__ptr, sz, __size, __n, __stream);
  return __fread_chk (__ptr, sz, __size, __n, __stream);
}

#ifdef __USE_GNU
extern char *__REDIRECT (__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");

__fortify_function __wur __fortified_attr_access (__write_only__, 1, 2) char *
fgets_unlocked (char *__restrict __s, int __n, FILE *__restrict __stream)
{
  size_t sz = __glibc_objsize (__s);
  if (__glibc_safe_or_unknown_len (__n, sizeof (char), sz))
    return __fgets_unlocked_alias (__s, __n, __stream);
  if (__glibc_unsafe_len (__n, sizeof (char), sz))
    return __fgets_unlocked_chk_warn (__s, sz, __n, __stream);
  return __fgets_unlocked_chk (__s, sz, __n, __stream);
}
#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");

__fortify_function __wur size_t
fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n,
		FILE *__restrict __stream)
{
  size_t sz = __glibc_objsize0 (__ptr);
  if (__glibc_safe_or_unknown_len (__n, __size, sz))
    {
# 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 = getc_unlocked (__stream);
	      if (__c == EOF)
		break;
	      *__cptr++ = __c;
	    }
	  return (__cptr - (char *) __ptr) / __size;
	}
# endif
      return __fread_unlocked_alias (__ptr, __size, __n, __stream);
    }
  if (__glibc_unsafe_len (__n, __size, sz))
    return __fread_unlocked_chk_warn (__ptr, sz, __size, __n, __stream);
  return __fread_unlocked_chk (__ptr, sz, __size, __n, __stream);

}
#endif

#endif /* bits/stdio2.h.  */

[+] ..
[-] stdlib-ldbl.h [edit]
[-] types.h [edit]
[-] ipctypes.h [edit]
[-] sysmacros.h [edit]
[-] statvfs.h [edit]
[-] statfs.h [edit]
[-] utmp.h [edit]
[-] procfs-id.h [edit]
[-] time.h [edit]
[-] select2.h [edit]
[-] struct_mutex.h [edit]
[-] statx-generic.h [edit]
[-] shmlba.h [edit]
[-] termios.h [edit]
[-] stdint-uintn.h [edit]
[-] pthreadtypes.h [edit]
[-] inet-fortified-decl.h [edit]
[-] mman-map-flags-generic.h [edit]
[-] wchar2.h [edit]
[-] confname.h [edit]
[-] utmpx.h [edit]
[-] struct_stat.h [edit]
[-] indirect-return.h [edit]
[-] wchar2-decl.h [edit]
[-] strings_fortified.h [edit]
[-] link_lavcurrent.h [edit]
[-] waitstatus.h [edit]
[-] termios-struct.h [edit]
[-] cmathcalls.h [edit]
[-] getopt_ext.h [edit]
[-] wctype-wchar.h [edit]
[-] sigstksz.h [edit]
[-] wchar-ldbl.h [edit]
[-] string_fortified.h [edit]
[-] struct_rwlock.h [edit]
[-] termios-c_oflag.h [edit]
[-] syslog-path.h [edit]
[-] pthread_stack_min.h [edit]
[-] dlfcn.h [edit]
[-] signalfd.h [edit]
[-] in.h [edit]
[-] stdio.h [edit]
[-] endianness.h [edit]
[-] stdio_lim.h [edit]
[-] error.h [edit]
[-] stab.def [edit]
[-] initspin.h [edit]
[-] procfs-prregset.h [edit]
[-] fcntl-linux.h [edit]
[-] stdio-ldbl.h [edit]
[-] timex.h [edit]
[-] statx.h [edit]
[-] termios-baud.h [edit]
[-] ioctl-types.h [edit]
[-] dirent_ext.h [edit]
[-] timerfd.h [edit]
[-] libm-simd-decl-stubs.h [edit]
[-] mman.h [edit]
[-] semaphore.h [edit]
[-] procfs.h [edit]
[-] flt-eval-method.h [edit]
[-] setjmp2.h [edit]
[-] rseq.h [edit]
[-] mman-linux.h [edit]
[-] typesizes.h [edit]
[-] fenv.h [edit]
[-] signum-arch.h [edit]
[-] stdio2-decl.h [edit]
[-] mqueue2.h [edit]
[-] printf-ldbl.h [edit]
[-] posix1_lim.h [edit]
[-] byteswap.h [edit]
[-] posix2_lim.h [edit]
[-] setjmp.h [edit]
[-] sem.h [edit]
[-] ipc-perm.h [edit]
[-] stdio2.h [edit]
[-] errno.h [edit]
[-] mqueue.h [edit]
[-] mathcalls.h [edit]
[-] long-double.h [edit]
[-] pthread_stack_min-dynamic.h [edit]
[-] sigstack.h [edit]
[-] elfclass.h [edit]
[-] termios-c_cc.h [edit]
[-] floatn-common.h [edit]
[-] mathcalls-helper-functions.h [edit]
[-] unistd_ext.h [edit]
[-] socket_type.h [edit]
[-] mman-shared.h [edit]
[-] unistd.h [edit]
[-] wchar.h [edit]
[-] dl_find_object.h [edit]
[-] error-ldbl.h [edit]
[-] ptrace-shared.h [edit]
[-] mathcalls-narrow.h [edit]
[-] libc-header-start.h [edit]
[-] netdb.h [edit]
[-] sigthread.h [edit]
[-] link.h [edit]
[-] fp-logb.h [edit]
[-] procfs-extra.h [edit]
[-] stdlib-bsearch.h [edit]
[-] posix_opt.h [edit]
[-] stdint-intn.h [edit]
[-] sockaddr.h [edit]
[-] inet-fortified.h [edit]
[-] thread-shared-types.h [edit]
[-] getopt_posix.h [edit]
[-] stdlib-float.h [edit]
[-] utsname.h [edit]
[-] ioctls.h [edit]
[-] uio_lim.h [edit]
[-] uio-ext.h [edit]
[-] signum-generic.h [edit]
[-] termios-c_lflag.h [edit]
[-] syslog-ldbl.h [edit]
[-] mathdef.h [edit]
[-] param.h [edit]
[-] select.h [edit]
[-] epoll.h [edit]
[-] socket.h [edit]
[-] uintn-identity.h [edit]
[-] signal_ext.h [edit]
[-] endian.h [edit]
[-] argp-ldbl.h [edit]
[-] resource.h [edit]
[-] local_lim.h [edit]
[-] stat.h [edit]
[-] fp-fast.h [edit]
[-] eventfd.h [edit]
[-] poll2.h [edit]
[-] termios-c_cflag.h [edit]
[-] cpu-set.h [edit]
[-] sched.h [edit]
[-] siginfo-arch.h [edit]
[-] time64.h [edit]
[-] math-vector.h [edit]
[-] inotify.h [edit]
[-] siginfo-consts-arch.h [edit]
[-] locale.h [edit]
[-] msq.h [edit]
[-] siginfo-consts.h [edit]
[-] err-ldbl.h [edit]
[+] types
[-] waitflags.h [edit]
[-] iscanonical.h [edit]
[-] atomic_wide_counter.h [edit]
[-] termios-c_iflag.h [edit]
[-] pthreadtypes-arch.h [edit]
[-] floatn.h [edit]
[-] syslog.h [edit]
[-] xopen_lim.h [edit]
[-] environments.h [edit]
[-] termios-misc.h [edit]
[-] hwcap.h [edit]
[-] wordsize.h [edit]
[-] ipc.h [edit]
[-] timesize.h [edit]
[-] sigevent-consts.h [edit]
[-] fcntl.h [edit]
[-] syscall.h [edit]
[-] fcntl2.h [edit]
[-] a.out.h [edit]
[+] platform
[-] sigaction.h [edit]
[-] stdlib.h [edit]
[-] dirent.h [edit]
[-] termios-tcflow.h [edit]
[-] ss_flags.h [edit]
[-] poll.h [edit]
[-] monetary-ldbl.h [edit]
[-] getopt_core.h [edit]
[-] sigcontext.h [edit]
[-] socket2.h [edit]
[-] shm.h [edit]
[-] struct_stat_time64_helper.h [edit]
[-] socket-constants.h [edit]