Add a parameter to enable SHA256 hashing.

This does not do anything yet.



git-svn-id: http://www.varnish-cache.org/svn/trunk@3437 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/heritage.h

@@ -174,6 +174,9 @@ struct params {
 	/* Default grace period */
 	unsigned		default_grace;
 
+	/* Use sha256 hasing */
+	unsigned		hash_sha256;
+
 	/* Log hash string to shm */
 	unsigned		log_hash;
 

bin/varnishd/mgt_param.c

@@ -839,6 +839,10 @@ static const struct parspec parspec[] = {
 		"NB: Must be specified with -p to have effect.\n",
 		0,
 		"8192", "bytes" },
+	{ "hash_sha256", tweak_bool, &master.hash_sha256, 0, 0,
+		"Use SHA256 compression of hash-strings",
+		0,
+		"off", "bool" },
 	{ "log_hashstring", tweak_bool, &master.log_hash, 0, 0,
 		"Log the hash string to shared memory log.\n",
 		0,