# HG changeset patch
# User Mikael Berthe <mikael@lilotux.net>
# Date 1446813795 -3600
# Node ID 79e12dacbccd7b85f53e0bd30344e2d1a2e4bf5e
# Parent  3958793d0d0318a899808553b794f14bf5d5c573
Fix a 1-byte memory leak in caps_generate()

The caps value is correctly stolen and reinserted but the previous
hash key should be freed.  This is a special key "" of 1 byte.

diff -r 3958793d0d03 -r 79e12dacbccd mcabber/mcabber/caps.c
--- a/mcabber/mcabber/caps.c	Thu Nov 05 23:34:23 2015 +0100
+++ b/mcabber/mcabber/caps.c	Fri Nov 06 13:43:15 2015 +0100
@@ -280,10 +280,15 @@
   guint8 digest[20];
   gsize digest_size = 20;
   gchar *hash, *old_hash = NULL;
-  caps *old_caps;
-  caps *c = g_hash_table_lookup(caps_cache, "");
+  caps *old_caps, *c;
+  gpointer key;
+
+  if (!g_hash_table_lookup_extended(caps_cache, "", &key, &c))
+    return NULL;
 
   g_hash_table_steal(caps_cache, "");
+  g_free(key);
+
   sha1 = g_checksum_new(G_CHECKSUM_SHA1);
 
   langs = g_hash_table_get_keys(c->identities);