X-Git-Url: http://sjero.net/git/?p=wget;a=blobdiff_plain;f=src%2Fcss-url.c;h=f97690d6046c155c015b18254a2f690d4442a65e;hp=621c17dd65948efa5858ee76bfbd4871c9c53009;hb=359dd167602071cfa62d6c586ca846ede5ed7c29;hpb=4f53c20e27f4e6db75aef4c7ea2812330d48017c

diff --git a/src/css-url.c b/src/css-url.c
index 621c17dd..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 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.
 
@@ -49,13 +49,13 @@ as that of the covered work.  */
 #include <stdlib.h>
 #include <ctype.h>
 #include <errno.h>
-#include <assert.h>
 
 #include "wget.h"
 #include "utils.h"
 #include "convert.h"
 #include "html-url.h"
 #include "css-tokens.h"
+#include "css-url.h"
 
 /* from lex.yy.c */
 extern char *yytext;
@@ -108,7 +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;
@@ -125,9 +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]))
     {
@@ -144,7 +146,7 @@ get_uri_string (const char *at, int *pos, int *length)
   if (uri)
     {
       strncpy (uri, at + *pos, *length);
-      uri[*length] = '\0';      
+      uri[*length] = '\0';
     }
 
   return uri;
@@ -253,7 +255,7 @@ get_urls_css_file (const char *file, const char *url)
   struct map_context ctx;
 
   /* Load the file. */
-  fm = read_file (file);
+  fm = wget_read_file (file);
   if (!fm)
     {
       logprintf (LOG_NOTQUIET, "%s: %s\n", file, strerror (errno));
@@ -262,13 +264,13 @@ 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;
   ctx.nofollow = 0;
 
   get_urls_css (&ctx, 0, fm->length);
-  read_file_free (fm);
+  wget_read_file_free (fm);
   return ctx.head;
 }