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avoid calling "extra value" as if it were a function option

This commit is contained in:
Roberto Ierusalimschy 2011-11-06 11:59:12 -02:00
parent 00c8a17a2d
commit 6d8d282e0f
1 changed files with 6 additions and 4 deletions
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10
loadlib.c
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@ -1,5 +1,5 @@
/*
** $Id: loadlib.c,v 1.99 2011/06/28 17:13:28 roberto Exp roberto $
** $Id: loadlib.c,v 1.100 2011/07/05 12:49:35 roberto Exp roberto $
** Dynamic library loader for Lua
** See Copyright Notice in lua.h
**
@ -516,9 +516,11 @@ static void set_env (lua_State *L) {
static void dooptions (lua_State *L, int n) {
int i;
for (i = 2; i <= n; i++) {
lua_pushvalue(L, i); /* get option (a function) */
lua_pushvalue(L, -2); /* module */
lua_call(L, 1, 0);
if (lua_isfunction(L, i)) { /* avoid 'calling' extra info. */
lua_pushvalue(L, i); /* get option (a function) */
lua_pushvalue(L, -2); /* module */
lua_call(L, 1, 0);
}
}
}