+ if(!*prot_missing) {
+ size_t protolen = strlen(protop);
+
+ if(curl_strnequal(protop, data->change.url, protolen))
+ prefixlen += protolen;
+ else {
+ failf(data, "<url> malformed");
+ return CURLE_URL_MALFORMAT;
+ }
+
+ if(curl_strnequal("://", &data->change.url[protolen], 3))
+ prefixlen += 3;
+ /* only file: is allowed to omit one or both slashes */
+ else if(curl_strnequal("file:", data->change.url, 5))
+ prefixlen += 1 + (data->change.url[5] == '/');
+ else {
+ failf(data, "<url> malformed");
+ return CURLE_URL_MALFORMAT;
+ }
+ }