[glibc.git] / io / fchmodat.c

/* Change the protections of file relative to open directory.  Stub version.
   Copyright (C) 2006-2024 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 <stddef.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>

int
fchmodat (int fd, const char *file, mode_t mode, int flag)
{
  if (file == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
    {
      __set_errno (EINVAL);
      return -1;
    }

  if (fd < 0 && fd != AT_FDCWD)
    {
      __set_errno (EBADF);
      return -1;
    }

  __set_errno (ENOSYS);
  return -1;
}
stub_warning (fchmodat)
libc_hidden_def (fchmodat)
Commit	Line	Data
	1	/* Change the protections of file relative to open directory. Stub version.
	2	Copyright (C) 2006-2024 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 <stddef.h>
	22	#include <unistd.h>
	23	#include <sys/types.h>
	24	#include <sys/stat.h>
	25
	26	int
	27	fchmodat (int fd, const char *file, mode_t mode, int flag)
	28	{
	29	if (file == NULL \|\| (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
	30	{
	31	__set_errno (EINVAL);
	32	return -1;
	33	}
	34
	35	if (fd < 0 && fd != AT_FDCWD)
	36	{
	37	__set_errno (EBADF);
	38	return -1;
	39	}
	40
	41	__set_errno (ENOSYS);
	42	return -1;
	43	}
	44	stub_warning (fchmodat)
	45	libc_hidden_def (fchmodat)