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PATH: usr / include / bits

/* Checking macros for fcntl functions.
   Copyright (C) 2007, 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, see
   <http://www.gnu.org/licenses/>.  */

#ifndef	_FCNTL_H
# error "Never include <bits/fcntl2.h> directly; use <fcntl.h> instead."
#endif

/* Check that calls to open and openat with O_CREAT or O_TMPFILE set have an
   appropriate third/fourth parameter.  */
#ifndef __USE_FILE_OFFSET64
extern int __open_2 (const char *__path, int __oflag) __nonnull ((1));
extern int __REDIRECT (__open_alias, (const char *__path, int __oflag, ...),
		       open) __nonnull ((1));
#else
extern int __REDIRECT (__open_2, (const char *__path, int __oflag),
		       __open64_2) __nonnull ((1));
extern int __REDIRECT (__open_alias, (const char *__path, int __oflag, ...),
		       open64) __nonnull ((1));
#endif
__errordecl (__open_too_many_args,
	     "open can be called either with 2 or 3 arguments, not more");
__errordecl (__open_missing_mode,
	     "open with O_CREAT or O_TMPFILE in second argument needs 3 arguments");

__fortify_function int
open (const char *__path, int __oflag, ...)
{
  if (__va_arg_pack_len () > 1)
    __open_too_many_args ();

if (__builtin_constant_p (__oflag))
    {
      if (__OPEN_NEEDS_MODE (__oflag) && __va_arg_pack_len () < 1)
	{
	  __open_missing_mode ();
	  return __open_2 (__path, __oflag);
	}
      return __open_alias (__path, __oflag, __va_arg_pack ());
    }

if (__va_arg_pack_len () < 1)
    return __open_2 (__path, __oflag);

return __open_alias (__path, __oflag, __va_arg_pack ());
}

#ifdef __USE_LARGEFILE64
extern int __open64_2 (const char *__path, int __oflag) __nonnull ((1));
extern int __REDIRECT (__open64_alias, (const char *__path, int __oflag,
					...), open64) __nonnull ((1));
__errordecl (__open64_too_many_args,
	     "open64 can be called either with 2 or 3 arguments, not more");
__errordecl (__open64_missing_mode,
	     "open64 with O_CREAT or O_TMPFILE in second argument needs 3 arguments");

__fortify_function int
open64 (const char *__path, int __oflag, ...)
{
  if (__va_arg_pack_len () > 1)
    __open64_too_many_args ();

if (__builtin_constant_p (__oflag))
    {
      if (__OPEN_NEEDS_MODE (__oflag) && __va_arg_pack_len () < 1)
	{
	  __open64_missing_mode ();
	  return __open64_2 (__path, __oflag);
	}
      return __open64_alias (__path, __oflag, __va_arg_pack ());
    }

if (__va_arg_pack_len () < 1)
    return __open64_2 (__path, __oflag);

return __open64_alias (__path, __oflag, __va_arg_pack ());
}
#endif

#ifdef __USE_ATFILE
# ifndef __USE_FILE_OFFSET64
extern int __openat_2 (int __fd, const char *__path, int __oflag)
     __nonnull ((2));
extern int __REDIRECT (__openat_alias, (int __fd, const char *__path,
					int __oflag, ...), openat)
     __nonnull ((2));
# else
extern int __REDIRECT (__openat_2, (int __fd, const char *__path,
				    int __oflag), __openat64_2)
     __nonnull ((2));
extern int __REDIRECT (__openat_alias, (int __fd, const char *__path,
					int __oflag, ...), openat64)
     __nonnull ((2));
# endif
__errordecl (__openat_too_many_args,
	     "openat can be called either with 3 or 4 arguments, not more");
__errordecl (__openat_missing_mode,
	     "openat with O_CREAT or O_TMPFILE in third argument needs 4 arguments");

__fortify_function int
openat (int __fd, const char *__path, int __oflag, ...)
{
  if (__va_arg_pack_len () > 1)
    __openat_too_many_args ();

if (__builtin_constant_p (__oflag))
    {
      if (__OPEN_NEEDS_MODE (__oflag) && __va_arg_pack_len () < 1)
	{
	  __openat_missing_mode ();
	  return __openat_2 (__fd, __path, __oflag);
	}
      return __openat_alias (__fd, __path, __oflag, __va_arg_pack ());
    }

if (__va_arg_pack_len () < 1)
    return __openat_2 (__fd, __path, __oflag);

return __openat_alias (__fd, __path, __oflag, __va_arg_pack ());
}

# ifdef __USE_LARGEFILE64
extern int __openat64_2 (int __fd, const char *__path, int __oflag)
     __nonnull ((2));
extern int __REDIRECT (__openat64_alias, (int __fd, const char *__path,
					  int __oflag, ...), openat64)
     __nonnull ((2));
__errordecl (__openat64_too_many_args,
	     "openat64 can be called either with 3 or 4 arguments, not more");
__errordecl (__openat64_missing_mode,
	     "openat64 with O_CREAT or O_TMPFILE in third argument needs 4 arguments");

__fortify_function int
openat64 (int __fd, const char *__path, int __oflag, ...)
{
  if (__va_arg_pack_len () > 1)
    __openat64_too_many_args ();

if (__builtin_constant_p (__oflag))
    {
      if (__OPEN_NEEDS_MODE (__oflag) && __va_arg_pack_len () < 1)
	{
	  __openat64_missing_mode ();
	  return __openat64_2 (__fd, __path, __oflag);
	}
      return __openat64_alias (__fd, __path, __oflag, __va_arg_pack ());
    }

if (__va_arg_pack_len () < 1)
    return __openat64_2 (__fd, __path, __oflag);

return __openat64_alias (__fd, __path, __oflag, __va_arg_pack ());
}
# endif
#endif

[-] inf.h [edit]
[-] sched.h [edit]
[-] netdb.h [edit]
[-] ipctypes.h [edit]
[-] wchar.h [edit]
[-] fcntl2.h [edit]
[-] fcntl-linux.h [edit]
[-] wchar2.h [edit]
[-] mman.h [edit]
[-] wchar-ldbl.h [edit]
[-] environments.h [edit]
[-] string.h [edit]
[-] socket.h [edit]
[-] fenvinline.h [edit]
[-] unistd.h [edit]
[-] monetary-ldbl.h [edit]
[-] eventfd.h [edit]
[-] endian.h [edit]
[-] locale.h [edit]
[-] typesizes.h [edit]
[-] printf-ldbl.h [edit]
[-] ipc.h [edit]
[-] dirent.h [edit]
[-] resource.h [edit]
[-] waitstatus.h [edit]
[-] mathdef.h [edit]
[-] wordsize.h [edit]
[-] stdio_lim.h [edit]
[+] ..
[-] initspin.h [edit]
[-] shm.h [edit]
[-] sysctl.h [edit]
[-] fenv.h [edit]
[-] posix2_lim.h [edit]
[-] xopen_lim.h [edit]
[-] stdio-ldbl.h [edit]
[-] sockaddr.h [edit]
[-] ioctl-types.h [edit]
[-] pthreadtypes.h [edit]
[-] syscall.h [edit]
[-] sys_errlist.h [edit]
[-] select2.h [edit]
[-] stdio-lock.h [edit]
[-] errno.h [edit]
[-] local_lim.h [edit]
[-] fcntl.h [edit]
[-] huge_valf.h [edit]
[-] mqueue.h [edit]
[-] stat.h [edit]
[-] waitflags.h [edit]
[-] huge_vall.h [edit]
[-] semaphore.h [edit]
[-] signum.h [edit]
[-] mathcalls.h [edit]
[-] siginfo.h [edit]
[-] poll2.h [edit]
[-] socket2.h [edit]
[-] select.h [edit]
[-] sigaction.h [edit]
[-] timex.h [edit]
[-] time.h [edit]
[-] setjmp.h [edit]
[-] types.h [edit]
[-] utmpx.h [edit]
[-] posix_opt.h [edit]
[-] stdlib.h [edit]
[-] syslog.h [edit]
[-] ioctls.h [edit]
[-] sigstack.h [edit]
[-] uio.h [edit]
[-] libio-ldbl.h [edit]
[-] inotify.h [edit]
[-] statvfs.h [edit]
[-] poll.h [edit]
[-] math-finite.h [edit]
[-] stdio.h [edit]
[-] stdlib-float.h [edit]
[-] mathinline.h [edit]
[-] mqueue2.h [edit]
[-] nan.h [edit]
[-] statfs.h [edit]
[-] sem.h [edit]
[-] termios.h [edit]
[-] posix1_lim.h [edit]
[-] param.h [edit]
[-] socket_type.h [edit]
[-] cmathcalls.h [edit]
[-] elfclass.h [edit]
[-] ustat.h [edit]
[-] msq.h [edit]
[-] byteswap-16.h [edit]
[-] error.h [edit]
[-] string3.h [edit]
[-] a.out.h [edit]
[-] utsname.h [edit]
[-] timerfd.h [edit]
[-] epoll.h [edit]
[-] setjmp2.h [edit]
[-] sigthread.h [edit]
[-] string2.h [edit]
[-] huge_val.h [edit]
[-] stab.def [edit]
[-] libc-lock.h [edit]
[-] sigcontext.h [edit]
[-] sigset.h [edit]
[-] stdio2.h [edit]
[-] dlfcn.h [edit]
[-] syslog-path.h [edit]
[-] signalfd.h [edit]
[-] confname.h [edit]
[-] utmp.h [edit]
[-] in.h [edit]
[-] byteswap.h [edit]
[-] link.h [edit]
[-] stdlib-ldbl.h [edit]
[-] hwcap.h [edit]
[-] syslog-ldbl.h [edit]