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📄 fcntl-linux.h(13.72 KB)
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📄 fp-fast.h(1.19 KB)
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📄 in.h(9.37 KB)
📄 indirect-return.h(1.55 KB)
📄 inet-fortified-decl.h(1.8 KB)
📄 inet-fortified.h(1.75 KB)
📄 initspin.h(25 B)
📄 inotify.h(1.05 KB)
📄 ioctl-types.h(2.4 KB)
📄 ioctls.h(4.37 KB)
📄 ipc-perm.h(1.7 KB)
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📄 local_lim.h(3.1 KB)
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📄 long-double.h(970 B)
📄 math-vector.h(2.25 KB)
📄 mathcalls-helper-functions.h(1.82 KB)
📄 mathcalls-narrow.h(1.28 KB)
📄 mathcalls.h(13.07 KB)
📄 mathdef.h(891 B)
📄 mman-linux.h(4.97 KB)
📄 mman-map-flags-generic.h(1.95 KB)
📄 mman-shared.h(2.77 KB)
📄 mman.h(1.33 KB)
📄 monetary-ldbl.h(1.02 KB)
📄 mqueue.h(1.22 KB)
📄 mqueue2.h(2.1 KB)
📄 msq.h(1.75 KB)
📄 netdb.h(1.23 KB)
📄 param.h(1.4 KB)
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📄 poll.h(2.03 KB)
📄 poll2.h(2.6 KB)
📄 posix1_lim.h(5.08 KB)
📄 posix2_lim.h(2.8 KB)
📄 posix_opt.h(5.77 KB)
📄 printf-ldbl.h(992 B)
📄 procfs-extra.h(963 B)
📄 procfs-id.h(1.12 KB)
📄 procfs-prregset.h(1.03 KB)
📄 procfs.h(1.98 KB)
📄 pthread_stack_min-dynamic.h(1.18 KB)
📄 pthread_stack_min.h(946 B)
📄 pthreadtypes-arch.h(1.79 KB)
📄 pthreadtypes.h(3 KB)
📄 ptrace-shared.h(4 KB)
📄 resource.h(6.16 KB)
📄 rseq.h(1.21 KB)
📄 sched.h(5.54 KB)
📄 select.h(1.47 KB)
📄 select2.h(1.4 KB)
📄 sem.h(2.21 KB)
📄 semaphore.h(1.19 KB)
📄 setjmp.h(1.26 KB)
📄 setjmp2.h(1.67 KB)
📄 shm.h(2.7 KB)
📄 shmlba.h(1.08 KB)
📄 sigaction.h(2.87 KB)
📄 sigcontext.h(4.17 KB)
📄 sigevent-consts.h(1.44 KB)
📄 siginfo-arch.h(729 B)
📄 siginfo-consts-arch.h(204 B)
📄 siginfo-consts.h(6.87 KB)
📄 signal_ext.h(1.25 KB)
📄 signalfd.h(1.04 KB)
📄 signum-arch.h(2.52 KB)
📄 signum-generic.h(3.24 KB)
📄 sigstack.h(1.14 KB)
📄 sigstksz.h(1.25 KB)
📄 sigthread.h(1.65 KB)
📄 sockaddr.h(1.48 KB)
📄 socket-constants.h(2.44 KB)
📄 socket.h(13.24 KB)
📄 socket2.h(2.97 KB)
📄 socket_type.h(2.16 KB)
📄 ss_flags.h(1.16 KB)
📄 stab.def(8.83 KB)
📄 stat.h(2.18 KB)
📄 statfs.h(1.87 KB)
📄 statvfs.h(3.34 KB)
📄 statx-generic.h(2.14 KB)
📄 statx.h(1.37 KB)
📄 stdint-intn.h(1.01 KB)
📄 stdint-uintn.h(1.02 KB)
📄 stdio-ldbl.h(3.4 KB)
📄 stdio.h(5.47 KB)
📄 stdio2-decl.h(4.14 KB)
📄 stdio2.h(9.83 KB)
📄 stdio_lim.h(1.18 KB)
📄 stdlib-bsearch.h(1.52 KB)
📄 stdlib-float.h(1.09 KB)
📄 stdlib-ldbl.h(1.97 KB)
📄 stdlib.h(5.64 KB)
📄 string_fortified.h(4.24 KB)
📄 strings_fortified.h(1.21 KB)
📄 struct_mutex.h(1.77 KB)
📄 struct_rwlock.h(1.98 KB)
📄 struct_stat.h(6.04 KB)
📄 struct_stat_time64_helper.h(2.54 KB)
📄 syscall.h(45.43 KB)
📄 syslog-ldbl.h(1.18 KB)
📄 syslog-path.h(1.04 KB)
📄 syslog.h(1.92 KB)
📄 sysmacros.h(2.88 KB)
📄 termios-baud.h(1.78 KB)
📄 termios-c_cc.h(1.25 KB)
📄 termios-c_cflag.h(1.2 KB)
📄 termios-c_iflag.h(1.89 KB)
📄 termios-c_lflag.h(2.53 KB)
📄 termios-c_oflag.h(2.76 KB)
📄 termios-misc.h(969 B)
📄 termios-struct.h(1.4 KB)
📄 termios-tcflow.h(1.04 KB)
📄 termios.h(2.12 KB)
📄 thread-shared-types.h(3.83 KB)
📄 time.h(3.22 KB)
📄 time64.h(1.31 KB)
📄 timerfd.h(1.08 KB)
📄 timesize.h(1.06 KB)
📄 timex.h(6.05 KB)
📁 types
📄 types.h(8.6 KB)
📄 typesizes.h(3.65 KB)
📄 uintn-identity.h(1.51 KB)
📄 uio-ext.h(1.88 KB)
📄 uio_lim.h(1.35 KB)
📄 unistd.h(11.38 KB)
📄 unistd_ext.h(2.48 KB)
📄 utmp.h(3.97 KB)
📄 utmpx.h(3.49 KB)
📄 utsname.h(1.18 KB)
📄 waitflags.h(1.66 KB)
📄 waitstatus.h(2.23 KB)
📄 wchar-ldbl.h(3.01 KB)
📄 wchar.h(1.86 KB)
📄 wchar2-decl.h(4.47 KB)
📄 wchar2.h(14.48 KB)
📄 wctype-wchar.h(6.16 KB)
📄 wordsize.h(442 B)
📄 xopen_lim.h(3.77 KB)

Editing: stdio2.h

/* 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.  */

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Editing: stdio2.h

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