memleak fixed + hashtable additions

git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@4156 e016b1c5-ed68-44aa-a2f7-31cac88cffde

source/src/tools.cpp

@@ -457,6 +457,15 @@ bool isbigendian()
     return !(*((char *)(&one)));
 }
 
+void strtoupper(char *s)
+{
+    while(*s)
+    {
+        *s = toupper(*s);
+        s++;
+    }
+}
+
 //////////////// geometry utils ////////////////
 
 static inline float det2x2(float a, float b, float c, float d) { return a*d - b*c; }