X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=inline;f=lib%2Fdirname.c;h=e2b9d648c3dbd66e4d2c4eb342840e1e60fb1f67;hb=1b85e216d2ceb6d219d509b0471242d5b3dd88eb;hp=109eccc2c427218d9ee81b2398cea376aa9f17f4;hpb=dfce97c0fc4709db67a9f4cfc400549b41d1e8b5;p=gnulib.git

diff --git a/lib/dirname.c b/lib/dirname.c
index 109eccc2c..e2b9d648c 100644
--- a/lib/dirname.c
+++ b/lib/dirname.c
@@ -1,5 +1,7 @@
-/* dirname.c -- return all but the last element in a path
-   Copyright 1990, 1998, 2000, 2001 Free Software Foundation, Inc.
+/* dirname.c -- return all but the last element in a file name
+
+   Copyright (C) 1990, 1998, 2000, 2001, 2003, 2004, 2005 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
@@ -13,53 +15,51 @@
 
    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
-#if HAVE_CONFIG_H
+#ifdef HAVE_CONFIG_H
 # include <config.h>
 #endif
 
-#if STDC_HEADERS || HAVE_STRING_H
-# include <string.h>
-#endif
-
 #include "dirname.h"
+
+#include <string.h>
 #include "xalloc.h"
 
-/* Return the length of `dirname (PATH)', or zero if PATH is
+/* Return the length of `dirname (FILE)', or zero if FILE is
    in the working directory.  Works properly even if
    there are trailing slashes (by effectively ignoring them).  */
 size_t
-dir_len (char const *path)
+dir_len (char const *file)
 {
-  size_t prefix_length = FILESYSTEM_PREFIX_LEN (path);
+  size_t prefix_length = FILE_SYSTEM_PREFIX_LEN (file);
   size_t length;
 
   /* Strip the basename and any redundant slashes before it.  */
-  for (length = base_name (path) - path;  prefix_length < length;  length--)
-    if (! ISSLASH (path[length - 1]))
+  for (length = base_name (file) - file;  prefix_length < length;  length--)
+    if (! ISSLASH (file[length - 1]))
       return length;
 
   /* But don't strip the only slash from "/".  */
-  return prefix_length + ISSLASH (path[prefix_length]);
+  return prefix_length + ISSLASH (file[prefix_length]);
 }
 
-/* Return the leading directories part of PATH,
+/* Return the leading directories part of FILE,
    allocated with xmalloc.
    Works properly even if there are trailing slashes
    (by effectively ignoring them).  */
 
 char *
-dir_name (char const *path)
+dir_name (char const *file)
 {
-  size_t length = dir_len (path);
-  int append_dot = (length == FILESYSTEM_PREFIX_LEN (newpath));
-  char *newpath = xmalloc (length + append_dot + 1);
-  memcpy (newpath, path, length);
+  size_t length = dir_len (file);
+  bool append_dot = (length == FILE_SYSTEM_PREFIX_LEN (file));
+  char *dir = xmalloc (length + append_dot + 1);
+  memcpy (dir, file, length);
   if (append_dot)
-    newpath[length++] = '.';
-  newpath[length] = 0;
-  return newpath;
+    dir[length++] = '.';
+  dir[length] = 0;
+  return dir;
 }
 
 #ifdef TEST_DIRNAME
@@ -67,9 +67,13 @@ dir_name (char const *path)
 
 Run the test like this (expect no output):
   gcc -DHAVE_CONFIG_H -DTEST_DIRNAME -I.. -O -Wall \
-     basename.c dirname.c xmalloc.c
+     basename.c dirname.c xmalloc.c error.c
   sed -n '/^BEGIN-DATA$/,/^END-DATA$/p' dirname.c|grep -v DATA|./a.out
 
+If it's been built on a DOS or Windows platforms, run another test like
+this (again, expect no output):
+  sed -n '/^BEGIN-DOS-DATA$/,/^END-DOS-DATA$/p' dirname.c|grep -v DATA|./a.out
+
 BEGIN-DATA
 foo//// .
 bar/foo//// bar
@@ -79,26 +83,38 @@ foo/ .
 a .
 END-DATA
 
+BEGIN-DOS-DATA
+c:///// c:/
+c:/ c:/
+c:/. c:/
+c:foo c:.
+c:foo/bar c:foo
+END-DOS-DATA
+
 */
 
 # define MAX_BUFF_LEN 1024
 # include <stdio.h>
 
+char *program_name;
+
 int
-main ()
+main (int argc, char *argv[])
 {
   char buff[MAX_BUFF_LEN + 1];
 
+  program_name = argv[0];
+
   buff[MAX_BUFF_LEN] = 0;
   while (fgets (buff, MAX_BUFF_LEN, stdin) && buff[0])
     {
-      char path[MAX_BUFF_LEN];
+      char file[MAX_BUFF_LEN];
       char expected_result[MAX_BUFF_LEN];
       char const *result;
-      sscanf (buff, "%s %s", path, expected_result);
-      result = dir_name (path);
+      sscanf (buff, "%s %s", file, expected_result);
+      result = dir_name (file);
       if (strcmp (result, expected_result))
-	printf ("%s: got %s, expected %s\n", path, result, expected_result);
+	printf ("%s: got %s, expected %s\n", file, result, expected_result);
     }
   return 0;
 }