/* Internals for openat-like functions.
- Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2005-2006, 2009-2010 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* written by Jim Meyering */
+#ifndef _GL_HEADER_OPENAT_PRIV
+#define _GL_HEADER_OPENAT_PRIV
+
#include <errno.h>
#include <stdlib.h>
#define OPENAT_BUFFER_SIZE 512
char *openat_proc_name (char buf[OPENAT_BUFFER_SIZE], int fd, char const *file);
-/* Some systems don't have ENOSYS. */
-#ifndef ENOSYS
-# ifdef ENOTSUP
-# define ENOSYS ENOTSUP
-# else
-/* Some systems don't have ENOTSUP either. */
-# define ENOSYS EINVAL
-# endif
-#endif
-
/* Trying to access a BUILD_PROC_NAME file will fail on systems without
/proc support, and even on systems *with* ProcFS support. Return
nonzero if the failure may be legitimate, e.g., because /proc is not
readable, or the particular .../fd/N directory is not present. */
-#define EXPECTED_ERRNO(Errno) \
- ((Errno) == ENOTDIR || (Errno) == ENOENT \
- || (Errno) == EPERM || (Errno) == EACCES \
- || (Errno) == ENOSYS /* Solaris 8 */ \
+#define EXPECTED_ERRNO(Errno) \
+ ((Errno) == ENOTDIR || (Errno) == ENOENT \
+ || (Errno) == EPERM || (Errno) == EACCES \
+ || (Errno) == ENOSYS /* Solaris 8 */ \
|| (Errno) == EOPNOTSUPP /* FreeBSD */)
+
+/* Wrapper function shared among linkat and renameat. */
+int at_func2 (int fd1, char const *file1,
+ int fd2, char const *file2,
+ int (*func) (char const *file1, char const *file2));
+
+#endif /* _GL_HEADER_OPENAT_PRIV */