From b694a78f62a02253bca2a5611314599ae7fce725 Mon Sep 17 00:00:00 2001
From: Littleboy
Date: Thu, 23 Jun 2011 05:42:48 -0400
Subject: ANALYSIS: Add static casts to is* functions

This fixes a potential problem with passing char values that would be sign-extended and yield unexpected results.
See http://msdn.microsoft.com/en-us/library/ms245348.aspx
---
 engines/sword25/util/lua/llex.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'engines/sword25')

diff --git a/engines/sword25/util/lua/llex.cpp b/engines/sword25/util/lua/llex.cpp
index 4d73a6a600..b456ee2dfe 100644
--- a/engines/sword25/util/lua/llex.cpp
+++ b/engines/sword25/util/lua/llex.cpp
@@ -188,7 +188,7 @@ static void trydecpoint (LexState *ls, SemInfo *seminfo) {
   sprintf(buf, "%.1f", 1.0);
   ls->decpoint = '.';
   for (i = 0; buf[i]; i++) {
-    if (!isspace(buf[i]) && !isdigit(buf[i])) {
+    if (!isspace(static_cast<unsigned char>(buf[i])) && !isdigit(static_cast<unsigned char>(buf[i]))) {
       ls->decpoint = buf[i];
       break;
     }
-- 
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