X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsame.c;h=d41cccc46138da457f92b690d127f882791ebf0d;hb=46e647a11e9d46474f478faade784c8fee57d148;hp=0e2807ac200d86e1a8daed8265ebc45fcc2ff62f;hpb=de4cde2dc3121bf766cb9827da38411377ece979;p=gnulib.git diff --git a/lib/same.c b/lib/same.c index 0e2807ac2..d41cccc46 100644 --- a/lib/same.c +++ b/lib/same.c @@ -1,5 +1,5 @@ /* 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 @@ -47,13 +47,6 @@ extern int errno; #include "error.h" #include "xalloc.h" -#if ENABLE_NLS -# include -# define _(Text) gettext (Text) -#else -# define _(Text) Text -#endif - #ifndef HAVE_DECL_FREE "this configure-time declaration test was not run" #endif @@ -71,37 +64,41 @@ void free (); 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; }