#define str(a,b) #a "_" #b
-#define OFFSET(s_type, field) ((unsigned int)&(((s_type*)0)->field))
+#define OFFSET(s_type, field) ((size_t)&(((s_type*)0)->field))
+
+#ifdef mingw32_HOST_OS
+#define SIZET_FMT "d"
+#else
+#define SIZET_FMT "zd"
+#endif
#if defined(GEN_HASKELL)
#define def_offset(str, offset) \
- printf("oFFSET_" str " = %d::Int\n", offset);
+ printf("oFFSET_" str " = %" SIZET_FMT "::Int\n", offset);
#else
#define def_offset(str, offset) \
- printf("#define OFFSET_" str " %d\n", offset);
+ printf("#define OFFSET_" str " %" SIZET_FMT "\n", offset);
#endif
#if defined(GEN_HASKELL)