--- wget-1.12.1-devel-orig/src/url.c	2009-09-22 14:04:36 -0400
+++ wget-1.12.1-devel/src/url.c	2009-12-13 00:55:38 -0500
@@ -442,25 +442,34 @@
 }
 
 #define SCHEME_CHAR(ch) (c_isalnum (ch) || (ch) == '-' || (ch) == '+')
+/* Scheme characters should be alphanumeric or + or - */
 
-/* Return 1 if the URL begins with any "scheme", 0 otherwise.  As
-   currently implemented, it returns true if URL begins with
-   [-+a-zA-Z0-9]+: .  */
-
+/* Return 1 if a possible naming scheme specifier is found, 0 otherwise. */
 bool
 url_has_scheme (const char *url)
 {
   const char *p = url;
+  char *p2;
+  unsigned scheme_len, i;
 
-  /* The first char must be a scheme char. */
-  if (!*p || !SCHEME_CHAR (*p))
+  assert( p );
+  p2 = strstr( p, "://" );
+  /* strstr can return p if zero length string */
+
+  scheme_len = p2 > p ? p2 - p : 0;
+
+  /* if the possible scheme is only one character it is not valid */
+  /* also we could have something like C://file.txt */
+  if( scheme_len <= 1 )
     return false;
-  ++p;
-  /* Followed by 0 or more scheme chars. */
-  while (*p && SCHEME_CHAR (*p))
-    ++p;
-  /* Terminated by ':'. */
-  return *p == ':';
+
+  for( i = 0; i < scheme_len; ++i, ++p )
+  {
+    if( !SCHEME_CHAR( *p ) )
+      return false;
+  }
+
+  return true;
 }
 
 int