--- doxygen-1.8.6/qtools/qcstring.cpp.orig	2013-05-19 19:12:31.000000000 +0400
+++ doxygen-1.8.6/qtools/qcstring.cpp	2014-04-04 06:54:07.313800000 +0400
@@ -476,7 +476,7 @@
   if ( to > first && *(to-1) == 0x20 )
     to--;
   *to = '\0';
-  result.resize( (int)((long)to - (long)result.data()) + 1 );
+  result.resize( (int)(reinterpret_cast<intptr_t>(to) - reinterpret_cast<intptr_t>(result.data())) + 1 );
   return result;
 }
 
@@ -717,7 +717,7 @@
     int res;
     uchar c;
     if ( !s1 || !s2 )
-	return s1 == s2 ? 0 : (int)((long)s2 - (long)s1);
+	return s1 == s2 ? 0 : (int)(reinterpret_cast<intptr_t>(s2) - reinterpret_cast<intptr_t>(s1));
     for ( ; !(res = (c=tolower(*s1)) - tolower(*s2)); s1++, s2++ )
 	if ( !c )				// strings are equal
 	    break;
@@ -731,7 +731,7 @@
     int res;
     uchar c;
     if ( !s1 || !s2 )
-	return (int)((long)s2 - (long)s1);
+	return (int)(reinterpret_cast<uintptr_t>(s2) - reinterpret_cast<uintptr_t>(s1));
     for ( ; len--; s1++, s2++ ) {
 	if ( (res = (c=tolower(*s1)) - tolower(*s2)) )
 	    return res;