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diff -Naur libdvdread.orig/dvdread/bswap.h libdvdread/dvdread/bswap.h
--- libdvdread.orig/dvdread/bswap.h 2006-06-06 16:03:37.000000000 -0400
+++ libdvdread/dvdread/bswap.h 2009-03-13 21:05:23.000000000 -0400
@@ -83,6 +83,25 @@
#define B2N_32(x) x = OSSwapBigToHostConstInt32(x)
#define B2N_64(x) x = OSSwapBigToHostConstInt64(x)
+#elif defined(__MINGW32__)
+#define B2N_16(x) \
+ x = ((((x) & 0xff00) >> 8) | \
+ (((x) & 0x00ff) << 8))
+#define B2N_32(x) \
+ x = ((((x) & 0xff000000) >> 24) | \
+ (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0x0000ff00) << 8) | \
+ (((x) & 0x000000ff) << 24))
+#define B2N_64(x) \
+ x = ((((x) & 0xff00000000000000ULL) >> 56) | \
+ (((x) & 0x00ff000000000000ULL) >> 40) | \
+ (((x) & 0x0000ff0000000000ULL) >> 24) | \
+ (((x) & 0x000000ff00000000ULL) >> 8) | \
+ (((x) & 0x00000000ff000000ULL) << 8) | \
+ (((x) & 0x0000000000ff0000ULL) << 24) | \
+ (((x) & 0x000000000000ff00ULL) << 40) | \
+ (((x) & 0x00000000000000ffULL) << 56))
+
#else
#if defined(__FreeBSD__) || defined(__sun) || defined(__bsdi__) || defined(WIN32) || defined(__BEOS__) || defined(__INTERIX)
/* These systems don't have swap macros */
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