From 9fedf6877a5a5b67a27c2605ef0586ec45ade540 Mon Sep 17 00:00:00 2001
From: taigacon <taigacon@gmail.com>
Date: Fri, 2 Dec 2016 22:06:50 +0800
Subject: [PATCH] Fix a bug caused a crash on VS2013 or later when in Debug
 mode if there is any Unicode chars such as Chinese in Atlas file. (#788)

---
 spine-c/spine-c/src/spine/Atlas.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spine-c/spine-c/src/spine/Atlas.c b/spine-c/spine-c/src/spine/Atlas.c
index f075204f7..99ced93ed 100644
--- a/spine-c/spine-c/src/spine/Atlas.c
+++ b/spine-c/spine-c/src/spine/Atlas.c
@@ -66,11 +66,11 @@ typedef struct {
 } Str;
 
 static void trim (Str* str) {
-	while (isspace(*str->begin) && str->begin < str->end)
+	while (isspace((unsigned char)*str->begin) && str->begin < str->end)
 		(str->begin)++;
 	if (str->begin == str->end) return;
 	str->end--;
-	while (isspace(*str->end) && str->end >= str->begin)
+	while (isspace((unsigned char)*str->end) && str->end >= str->begin)
 		str->end--;
 	str->end++;
 }