From a97f29f15487c5f584185f646f9cfc06a04b26ca Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 29 Aug 2000 17:43:28 -0300
Subject: explicit stack control in the API

---
 liolib.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'liolib.c')

diff --git a/liolib.c b/liolib.c
index 4c0cbf2b..0a310de0 100644
--- a/liolib.c
+++ b/liolib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: liolib.c,v 1.72 2000/08/28 17:57:04 roberto Exp roberto $
+** $Id: liolib.c,v 1.73 2000/08/29 14:33:31 roberto Exp roberto $
 ** Standard I/O (and system) library
 ** See Copyright Notice in lua.h
 */
@@ -372,6 +372,7 @@ static int io_read (lua_State *L) {
     firstarg = lastarg = 1;  /* correct indices */
     lua_pushstring(L, "*l");  /* push default argument */
   }
+  luaL_checkstack(L, lastarg-firstarg+1, "too many results");
   for (n = firstarg; n<=lastarg; n++) {
     size_t l;
     int success;
-- 
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