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From: =?UTF-8?q?Beno=C3=AEt=20Burnichon?= <benoit.burnichon@airtag.com>
Date: Tue, 6 Dec 2011 14:18:20 +0100
Subject: [PATCH] debug.getfenv does not check whether it has an argument.
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Comes from http://www.lua.org/bugs.html#5.1.4-5
reported by Patrick Donnelly on 30 Jul 2009.
Example:
--
debug.getfenv() -- should raise an error
--
Signed-off-by: Benoît Burnichon <benoit.burnichon@airtag.com>
---
src/ldblib.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/src/ldblib.c b/src/ldblib.c
index 67de122..21116ac 100644
--- a/src/ldblib.c
+++ b/src/ldblib.c
@@ -45,6 +45,7 @@ static int db_setmetatable (lua_State *L) {
static int db_getfenv (lua_State *L) {
+ luaL_checkany(L, 1);
lua_getfenv(L, 1);
return 1;
}
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