From 0013433b0971f42b59958cc3d456a14e31f7e71e Mon Sep 17 00:00:00 2001
From: Willy Tarreau <w@1wt.eu>
Date: Tue, 4 Jan 2011 14:57:34 +0100
Subject: [PATCH] [MINOR] http: improve url_param pattern extraction to ignore
 empty values

It's better to avoid sticking on empty parameter values, as this almost
always indicates a missing parameter. Otherwise it's easy to enter a
situation where all new visitors stick to the same server.
---
 src/proto_http.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/proto_http.c b/src/proto_http.c
index ec1e1808a..c5debcaff 100644
--- a/src/proto_http.c
+++ b/src/proto_http.c
@@ -8340,7 +8340,7 @@ find_url_param_value(char* path, size_t path_l,
 
 	*value = value_start;
 	*value_l = value_end - value_start;
-	return 1;
+	return value_end != value_start;
 }
 
 static int