[glibc.git] / io / open.c

/* Open a file by name.  Stub version.
   Copyright (C) 1991-2024 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/>.  */

#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>


/* Open FILE with access OFLAG.  If O_CREAT or O_TMPFILE is in OFLAG,
   a third argument is the file protection.  */
int
__libc_open (const char *file, int oflag)
{
  int mode;

  if (file == NULL)
    {
      __set_errno (EINVAL);
      return -1;
    }

  if (__OPEN_NEEDS_MODE (oflag))
    {
      va_list arg;
      va_start(arg, oflag);
      mode = va_arg(arg, int);
      va_end(arg);
    }

  __set_errno (ENOSYS);
  return -1;
}
libc_hidden_def (__libc_open)
weak_alias (__libc_open, __open)
libc_hidden_weak (__open)
weak_alias (__libc_open, open)

stub_warning (open)

/* __open_2 is a generic wrapper that calls __open.
   So give a stub warning for that symbol too.  */
stub_warning (__open_2)
Commit	Line	Data
	1	/* Open a file by name. Stub version.
	2	Copyright (C) 1991-2024 Free Software Foundation, Inc.
	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, see
	17	<https://www.gnu.org/licenses/>. */
	18
	19	#include <errno.h>
	20	#include <fcntl.h>
	21	#include <stdarg.h>
	22	#include <stddef.h>
	23	#include <stdio.h>
	24
	25
	26	/* Open FILE with access OFLAG. If O_CREAT or O_TMPFILE is in OFLAG,
	27	a third argument is the file protection. */
	28	int
	29	__libc_open (const char *file, int oflag)
	30	{
	31	int mode;
	32
	33	if (file == NULL)
	34	{
	35	__set_errno (EINVAL);
	36	return -1;
	37	}
	38
	39	if (__OPEN_NEEDS_MODE (oflag))
	40	{
	41	va_list arg;
	42	va_start(arg, oflag);
	43	mode = va_arg(arg, int);
	44	va_end(arg);
	45	}
	46
	47	__set_errno (ENOSYS);
	48	return -1;
	49	}
	50	libc_hidden_def (__libc_open)
	51	weak_alias (__libc_open, __open)
	52	libc_hidden_weak (__open)
	53	weak_alias (__libc_open, open)
	54
	55	stub_warning (open)
	56
	57	/* __open_2 is a generic wrapper that calls __open.
	58	So give a stub warning for that symbol too. */
	59	stub_warning (__open_2)