From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 25 Mar 2015 18:23:24 +0000 (+0000)
Subject: Do not store zeroes in hash table.
X-Git-Tag: 0.9.0~424
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=06d5e6c256a86af708933b2abef80370d50bec3d;p=rspamd.git

Do not store zeroes in hash table.
---

diff --git a/src/libserver/task.c b/src/libserver/task.c
index 9ac66b65c..e7a2c18af 100644
--- a/src/libserver/task.c
+++ b/src/libserver/task.c
@@ -457,15 +457,17 @@ rspamd_task_re_cache_add (struct rspamd_task *task, const gchar *re,
 		guint value)
 {
 	guint ret = RSPAMD_TASK_CACHE_NO_VALUE;
+	static const guint32 mask = 1 << 31;
 	gpointer p;
 
 	p = g_hash_table_lookup (task->re_cache, re);
 
 	if (p != NULL) {
-		ret = GPOINTER_TO_INT (p);
+		ret = GPOINTER_TO_INT (p) & ~mask;
 	}
 
-	g_hash_table_insert (task->re_cache, (gpointer)re, GINT_TO_POINTER (value));
+	g_hash_table_insert (task->re_cache, (gpointer)re,
+			GINT_TO_POINTER (value | mask));
 
 	return ret;
 }
@@ -474,12 +476,13 @@ guint
 rspamd_task_re_cache_check (struct rspamd_task *task, const gchar *re)
 {
 	guint ret = RSPAMD_TASK_CACHE_NO_VALUE;
+	static const guint32 mask = 1 << 31;
 	gpointer p;
 
 	p = g_hash_table_lookup (task->re_cache, re);
 
 	if (p != NULL) {
-		ret = GPOINTER_TO_INT (p);
+		ret = GPOINTER_TO_INT (p) & ~mask;
 	}
 
 	return ret;