(vfs_path_tokens_count): refactoring: get rid of extra memory allocation.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

lib/vfs/path.c

@@ -1338,19 +1338,22 @@ vfs_path_tokens_count (const vfs_path_t * vpath)
     for (element_index = 0; element_index < vfs_path_elements_count (vpath); element_index++)
     {
         const vfs_path_element_t *element;
-        char **path_tokens, **iterator;
+        const char *token, *prev_token;
 
         element = vfs_path_get_by_index (vpath, element_index);
-        path_tokens = iterator = g_strsplit (element->path, PATH_SEP_STR, -1);
 
-        while (*iterator != NULL)
+        for (prev_token = element->path; (token = strchr (prev_token, PATH_SEP)) != NULL;
+             prev_token = token + 1)
         {
-            if (**iterator != '\0')
+            /* skip empty substring */
+            if (token != prev_token)
                 count_tokens++;
-            iterator++;
         }
-        g_strfreev (path_tokens);
+
+        if (*prev_token != '\0')
+            count_tokens++;
     }
+
     return count_tokens;
 }