css: Skip empty urls.

[wget] / src / css-url.c

diff --git a/src/css-url.c b/src/css-url.c
index f3d8c909eb417a1b58d9545485bf1af19fdadadd..65aa7fe8296e88f1cb725038bbd4a0f71abe815d 100644 (file)
--- a/src/css-url.c
+++ b/src/css-url.c
@@ -124,9 +124,11 @@ get_uri_string (const char *at, int *pos, int *length)
   /* skip leading space */
   while (isspace (at[*pos]))
     {
-    (*pos)++;
-    (*length)--;
+      (*pos)++;
+      if (--(*length) == 0)
+        return NULL;
     }
+
   /* skip trailing space */
   while (isspace (at[*pos + *length - 1]))
     {
@@ -261,7 +263,7 @@ get_urls_css_file (const char *file, const char *url)
   DEBUGP (("Loaded %s (size %s).\n", file, number_to_static_string (fm->length)));
 
   ctx.text = fm->content;
-  ctx.head = ctx.tail = NULL;
+  ctx.head = NULL;
   ctx.base = NULL;
   ctx.parent_base = url ? url : opt.base_href;
   ctx.document_file = file;