ft2font: Use mask-and-shift to fix GCC complaint about dereferencing of type-punned pointer.

stefanv · Neil · commit e05c2fa32f0f · 2011-03-16T22:14:56.000+02:00
diff --git a/src/ft2font.cpp b/src/ft2font.cpp
@@ -4,8 +4,12 @@
 
 #include "numpy/arrayobject.h"
 
-#define FIXED_MAJOR(val) (*((short *) &val+1))
-#define FIXED_MINOR(val) (*((short *) &val+0))
+/*
+ By definition, FT_FIXED as 2 16bit values stored in a single long.
+ We cast to long to ensure the correct Py::Int convertor is called
+ */
+#define FIXED_MAJOR(val) (long) ((val & 0xffff000) >> 16)
+#define FIXED_MINOR(val) (long) (val & 0xffff)
 
 /**
  To improve the hinting of the fonts, this code uses a hack
