Initialize doc->image in openDocument

This is needed to protect against double free() in closeDocument().
12 years ago · 8c6fd35789
parent 01ce094adb
commit 8c6fd35789
1 changed files with 1 additions and 0 deletions
--- a/pic.c
+++ b/pic.c
@ -133,6 +133,7 @@ static int openDocument(lua_State *L) {
 	if (!raw_image)
 		return luaL_error(L, "Cannot open jpeg file");

+	doc->image = NULL;
 	if (components == 1)
 		doc->image = raw_image;
 	else if (components == 3) {