Add a http_GetProto() function

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@1967 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/cache.h

@@ -463,6 +463,7 @@ void http_Setup(struct http *ht, void *space, unsigned len);
 int http_GetHdr(struct http *hp, const char *hdr, char **ptr);
 int http_GetHdrField(struct http *hp, const char *hdr, const char *field, char **ptr);
 int http_GetStatus(struct http *hp);
+const char *http_GetProto(struct http *hp);
 int http_HdrIs(struct http *hp, const char *hdr, const char *val);
 int http_GetTail(struct http *hp, unsigned len, char **b, char **e);
 int http_Read(struct http *hp, int fd, void *b, unsigned len);

bin/varnishd/cache_http.c

@@ -381,6 +381,13 @@ http_GetStatus(struct http *hp)
 	    NULL /* XXX */, 10));
 }
 
+const char *
+http_GetProto(struct http *hp)
+{
+	AN(hp->hd[HTTP_HDR_PROTO].b);
+	return (hp->hd[HTTP_HDR_PROTO].b);
+}
+
 /*--------------------------------------------------------------------
  * Dissect the headers of the HTTP protocol message.
  * Detect conditionals (headers which start with '^[Ii][Ff]-')