From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 24 Feb 2020 09:49:30 +0000 (+0000)
Subject: [Minor] Lpeg: Improve logging on type mismatch
X-Git-Tag: 2.4~22
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e0e0d361a445a4f5cca9bdc77a23dbdfe75bebed;p=thirdparty%2Frspamd.git

[Minor] Lpeg: Improve logging on type mismatch
---

diff --git a/contrib/lua-lpeg/lptree.c b/contrib/lua-lpeg/lptree.c
index f4a58dbf04..4920f8f89a 100644
--- a/contrib/lua-lpeg/lptree.c
+++ b/contrib/lua-lpeg/lptree.c
@@ -1187,7 +1187,8 @@ static int lp_match (lua_State *L) {
 #ifdef LPEG_LUD_WORKAROUND
   	lpeg_free_mem_low (capture);
 #endif
-  	return luaL_error (L, "invalid argument");
+  	return luaL_error (L, "invalid argument: %s",
+  			lua_typename (L, lua_type (L, SUBJIDX)));
   }
   size_t i = initposition(L, l);
   int ptop = lua_gettop(L), rs;