/* Determine whether two file names refer to the same file.
- Copyright (C) 1997-2000 Free Software Foundation, Inc.
+ Copyright (C) 1997-2000, 2002-2003 Free Software Foundation, Inc.
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
#include "error.h"
#include "xalloc.h"
-#if ENABLE_NLS
-# include <libintl.h>
-# define _(Text) gettext (Text)
-#else
-# define _(Text) Text
-#endif
-
#ifndef HAVE_DECL_FREE
"this configure-time declaration test was not run"
#endif
int
same_name (const char *source, const char *dest)
{
- struct stat source_dir_stats;
- struct stat dest_dir_stats;
- char *source_dirname, *dest_dirname;
- char *source_basename, *dest_basename;
- size_t source_baselen, dest_baselen;
-
- source_dirname = dir_name (source);
- dest_dirname = dir_name (dest);
-
- if (stat (source_dirname, &source_dir_stats))
+ /* Compare the basenames. */
+ char const *source_basename = base_name (source);
+ char const *dest_basename = base_name (dest);
+ size_t source_baselen = base_len (source_basename);
+ size_t dest_baselen = base_len (dest_basename);
+
+ if (source_baselen == dest_baselen
+ && memcmp (source_basename, dest_basename, dest_baselen) == 0)
{
- /* Shouldn't happen. */
- error (1, errno, "%s", source_dirname);
+ struct stat source_dir_stats;
+ struct stat dest_dir_stats;
+ char *source_dirname, *dest_dirname;
+
+ /* Compare the parent directories (via the device and inode numbers). */
+ source_dirname = dir_name (source);
+ dest_dirname = dir_name (dest);
+
+ if (stat (source_dirname, &source_dir_stats))
+ {
+ /* Shouldn't happen. */
+ error (1, errno, "%s", source_dirname);
+ }
+
+ if (stat (dest_dirname, &dest_dir_stats))
+ {
+ /* Shouldn't happen. */
+ error (1, errno, "%s", dest_dirname);
+ }
+
+ free (source_dirname);
+ free (dest_dirname);
+
+ if (SAME_INODE (source_dir_stats, dest_dir_stats))
+ return 1;
}
- if (stat (dest_dirname, &dest_dir_stats))
- {
- /* Shouldn't happen. */
- error (1, errno, "%s", dest_dirname);
- }
-
- free (source_dirname);
- free (dest_dirname);
-
- if (! SAME_INODE (source_dir_stats, dest_dir_stats))
- return 0;
-
- source_basename = base_name (source);
- dest_basename = base_name (dest);
- source_baselen = base_len (source_basename);
- dest_baselen = base_len (dest_basename);
- return (source_baselen == dest_baselen
- && memcmp (source_basename, dest_basename, dest_baselen) == 0);
+ return 0;
}