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* io/fcntl.h [__USE_ATFILE] (AT_EACCESS): New macro.

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* posix/unistd.h [__USE_ATFILE]: Declare faccessat.
	* io/faccessat.c: New file.
	* sysdeps/unix/sysv/linux/faccessat.c: New file.
	* io/Makefile (routines): Add faccessat.
	* io/Versions (libc: GLIBC_2.4): Likewise.
	* io/tst-faccessat.c: New file.
	* io/Makefile (tests): Add it.

	* io/sys/stat.h: Likewise.
This commit is contained in:
Roland McGrath
2006-01-06 12:14:26 +00:00
parent 030219826e
commit d15b99ac5a
9 changed files with 359 additions and 11 deletions
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51
io/faccessat.c Normal file
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/* Test for access to file, relative to open directory. Stub version.
Copyright (C) 2006 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <unistd.h>
#include <sys/types.h>
int
faccessat (fd, file, type, flag)
int fd;
const char *file;
int type;
int flag;
{
if (file == NULL || (flag & ~(AT_SYMLINK_NOFOLLOW | AT_EACCESS)) != 0
|| (type & ~(R_OK|W_OK|X_OK|F_OK)) != 0)
{
__set_errno (EINVAL);
return -1;
}
if (fd < 0 && fd != AT_FDCWD)
{
__set_errno (EBADF);
return -1;
}
__set_errno (ENOSYS);
return -1;
}
stub_warning (faccessat)
#include <stub-tag.h>