From 45fb7d18cac903e5950261113c0c3e4c2624a9df Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Tue, 11 Nov 2014 17:36:03 +0000
Subject: [PATCH] Be more informative about lua errors.

---
 src/plugins/regexp.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/plugins/regexp.c b/src/plugins/regexp.c
index f22a1503f..d1f456a9f 100644
--- a/src/plugins/regexp.c
+++ b/src/plugins/regexp.c
@@ -1081,8 +1081,12 @@ process_regexp_item (struct rspamd_task *task, void *user_data)
 		/* Non-threaded version */
 		if (item->lua_function) {
 			/* Just call function */
-			if (rspamd_lua_call_expression_func (item->lua_function, task, NULL,
-				&res) && res) {
+			res = FALSE;
+			if (!rspamd_lua_call_expression_func (item->lua_function, task, NULL,
+				&res)) {
+				msg_err ("error occurred when checking symbol %s", item->symbol);
+			}
+			if (res) {
 				rspamd_task_insert_result (task, item->symbol, 1, NULL);
 			}
 		}
-- 
2.39.5