X-Git-Url: http://sjero.net/git/?a=blobdiff_plain;f=src%2Fcss-url.c;h=f97690d6046c155c015b18254a2f690d4442a65e;hb=85b98d08341ccd2abd2b0335465927e85eb20757;hp=f3d8c909eb417a1b58d9545485bf1af19fdadadd;hpb=cf3c678c8246fc326b69ae64b4e2766a69df5704;p=wget

diff --git a/src/css-url.c b/src/css-url.c
index f3d8c909..f97690d6 100644
--- a/src/css-url.c
+++ b/src/css-url.c
@@ -1,6 +1,6 @@
 /* Collect URLs from CSS source.
-   Copyright (C) 1998, 2000, 2001, 2002, 2003, 2009, 2010 Free Software
-   Foundation, Inc.
+   Copyright (C) 1998, 2000, 2001, 2002, 2003, 2009, 2010, 2011 Free
+   Software Foundation, Inc.
 
 This file is part of GNU Wget.
 
@@ -55,6 +55,7 @@ as that of the covered work.  */
 #include "convert.h"
 #include "html-url.h"
 #include "css-tokens.h"
+#include "css-url.h"
 
 /* from lex.yy.c */
 extern char *yytext;
@@ -107,7 +108,7 @@ const char *token_names[] = {
   whitespace after the opening parenthesis and before the closing
   parenthesis.
 */
-char *
+static char *
 get_uri_string (const char *at, int *pos, int *length)
 {
   char *uri;
@@ -124,9 +125,11 @@ 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 +264,7 @@ 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;