#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
+#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
extern int errno;
#endif
-#if HAVE_STRING_H
-# include <string.h>
-#else
-# include <strings.h>
-#endif
+#include <string.h>
#include "same.h"
#include "dirname.h"
#include "error.h"
#include "xalloc.h"
-#ifndef HAVE_DECL_FREE
-"this configure-time declaration test was not run"
-#endif
-#if !HAVE_DECL_FREE
-void free ();
-#endif
-
#define SAME_INODE(Stat_buf_1, Stat_buf_2) \
((Stat_buf_1).st_ino == (Stat_buf_2).st_ino \
&& (Stat_buf_1).st_dev == (Stat_buf_2).st_dev)
int
same_name (const char *source, const char *dest)
{
- char *source_basename, *dest_basename;
- size_t source_baselen, dest_baselen;
-
/* Compare the basenames. */
- source_basename = base_name (source);
- dest_basename = base_name (dest);
- source_baselen = base_len (source_basename);
- dest_baselen = base_len (dest_basename);
+ 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)
{
struct stat dest_dir_stats;
char *source_dirname, *dest_dirname;
- /* Compare the directories (by comparing their inodes). */
+ /* Compare the parent directories (via the device and inode numbers). */
source_dirname = dir_name (source);
dest_dirname = dir_name (dest);