Fixed bug: avoid using negative array index.

git-svn-id: http://yate.null.ro/svn/yate/trunk@2286 acf43c95-373e-0410-b603-e72c3f656dc1
2008-10-24 12:47:57 +00:00 · 2008-10-24 12:47:57 +00:00 · 2ff025e436
parent c84d397da4
commit 2ff025e436
1 changed files with 1 additions and 1 deletions
--- a/engine/Base64.cpp
+++ b/engine/Base64.cpp
@ -60,7 +60,7 @@ static unsigned char s_ato64[256] = {
 // Check in the translation table if 'ch' is a valid Base64 char
 static inline bool valid(char ch)
 {
-    return s_ato64[(int)ch] < 64;
+    return s_ato64[(unsigned char)ch] < 64;
 }

 // Check if 'ch' should be ignored