#ifndef _WIMLIB_TYPES_H
#define _WIMLIB_TYPES_H
-#include "wimlib_tchar.h"
-#include "wimlib/compiler.h"
-
#include <inttypes.h>
#include <stdbool.h>
#include <stddef.h>
+#include "wimlib_tchar.h"
+#include "wimlib/compiler.h"
+
#ifndef _NTFS_TYPES_H
/* Unsigned integer types of exact size in bits */
typedef uint8_t u8;
# define WIMLIB_WIMSTRUCT_DECLARED
#endif
-#endif
+/*
+ * Type of a machine word. 'unsigned long' would be logical, but that is only
+ * 32 bits on x86_64 Windows. The same applies to 'uint_fast32_t'. So the best
+ * we can do without a bunch of #ifdefs appears to be 'size_t'.
+ */
+typedef size_t machine_word_t;
+
+#define WORDSIZE sizeof(machine_word_t)
+
+#endif /* _WIMLIB_TYPES_H */