-/* rename.c -- BSD compatible directory function for System V
+/* BSD compatible rename and directory rename function for System V.
Copyright (C) 1988, 1990 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#ifdef HAVE_CONFIG_H
-#if defined (CONFIG_BROKETS)
-/* We use <config.h> instead of "config.h" so that a compilation
- using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
- (which it would do because it found this file in $srcdir). */
-#include <config.h>
-#else
-#include "config.h"
-#endif
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
-#ifndef STDC_HEADERS
+#ifndef errno
extern int errno;
#endif
-#ifdef STAT_MACROS_BROKEN
-#undef S_ISDIR
-#endif /* STAT_MACROS_BROKEN. */
+#if STAT_MACROS_BROKEN
+# undef S_ISDIR
+#endif
#if !defined(S_ISDIR) && defined(S_IFDIR)
-#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
-#include "safe-stat.h"
-
/* Rename file FROM to file TO.
Return 0 if successful, -1 if not. */
struct stat from_stats, to_stats;
int pid, status;
- if (SAFE_STAT (from, &from_stats))
+ if (stat (from, &from_stats))
return -1;
/* Be careful not to unlink `from' if it happens to be equal to `to' or
(on filesystems that silently truncate filenames after 14 characters)
if `from' and `to' share the significant characters. */
- if (SAFE_STAT (to, &to_stats))
+ if (stat (to, &to_stats))
{
if (errno != ENOENT)
return -1;
else
{
if ((from_stats.st_dev == to_stats.st_dev)
- && (from_stats.st_ino == to_stats.st_dev))
+ && (from_stats.st_ino == to_stats.st_ino))
/* `from' and `to' designate the same file on that filesystem. */
return 0;
return -1;
}
+#ifdef MVDIR
+
+/* If MVDIR is defined, it should be the full filename of a setuid root
+ program able to link and unlink directories. If MVDIR is not defined,
+ then the capability of renaming directories may be missing. */
+
if (S_ISDIR (from_stats.st_mode))
{
/* Need a setuid root process to link and unlink directories. */
}
}
else
+
+#endif /* MVDIR */
+
{
if (link (from, to))
return -1;