From 075b7918c3dcc1e8b4d5e7f19ae213b081e01bf2 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 2 Apr 1997 20:04:12 -0300
Subject: new function "getintmethod"

---
 iolib.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'iolib.c')

diff --git a/iolib.c b/iolib.c
index fa105828..1a2a9009 100644
--- a/iolib.c
+++ b/iolib.c
@@ -288,9 +288,10 @@ static void getbyte (void)
     lua_pushnumber(lua_getbindatasize(ud));
   else {
     i--;
-    luaL_arg_check(0 <= i && i < lua_getbindatasize(ud), "getbyte", 2,
-                   "out of range");
-    lua_pushnumber(*(((char *)lua_getbinarydata(ud))+i));
+    if (0 <= i && i < lua_getbindatasize(ud))
+      lua_pushnumber(*(((char *)lua_getbinarydata(ud))+i));
+    else
+      lua_pushnil();
   }
 }
 
@@ -341,7 +342,7 @@ static struct luaL_reg iolib[] = {
 
 void iolib_open (void)
 {
-  lua_tagio = lua_newtag("userdata");
+  lua_tagio = lua_newtag();
   lua_infile=stdin; lua_outfile=stdout;
   luaL_openlib(iolib, (sizeof(iolib)/sizeof(iolib[0])));
   lua_seterrormethod(errorfb);
-- 
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