88 lines
2.8 KiB
Plaintext
88 lines
2.8 KiB
Plaintext
--- libhfsp/src/swab.h.orig Tue Mar 5 20:50:29 2002
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+++ libhfsp/src/swab.h Fri May 1 20:00:11 2015
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@@ -25,7 +25,9 @@
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*/
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#include <endian.h>
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+#ifndef __OpenBSD__
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#include <byteswap.h>
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+#endif
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/* basic fuction:
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value = swab_inc(ptr);
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@@ -34,30 +36,58 @@
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#if BYTE_ORDER == LITTLE_ENDIAN
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-#define bswabU16(val) bswap_16(val)
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+#define bswabU16(val) swap16(val)
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-#define bswabU16_inc(ptr) bswap_16(*((UInt16*) (ptr))++)
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-#define bswabU32_inc(ptr) bswap_32(*((UInt32*) (ptr))++)
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-#define bswabU64_inc(ptr) bswap_64(*((UInt64*) (ptr))++)
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+#define bswabU16_inc(ptr) \
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+ swap16(*(UInt16 *)(ptr)), (ptr) = (((char *)(ptr)) + 2)
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+#define bswabU32_inc(ptr) \
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+ swap32(*(UInt32 *)(ptr)), (ptr) = (((char *)(ptr)) + 4)
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+#define bswabU64_inc(ptr) \
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+ swap64(*(UInt64 *)(ptr)), (ptr) = (((char *)(ptr)) + 8)
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-#define bstoreU16_inc(ptr, val) (*((UInt16*) (ptr))++) = bswap_16(val)
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-#define bstoreU32_inc(ptr, val) (*((UInt32*) (ptr))++) = bswap_32(val)
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-#define bstoreU64_inc(ptr, val) (*((UInt64*) (ptr))++) = bswap_64(val)
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+#define bstoreU16_inc(ptr, val) do { \
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+ *(UInt16 *)(ptr) = swap16((val)); \
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+ (ptr) = (((char *)(ptr)) + 2); \
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+} while(0)
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+#define bstoreU32_inc(ptr, val) do { \
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+ *(UInt32 *)(ptr) = swap32((val)); \
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+ (ptr) = (((char *)(ptr)) + 4); \
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+} while(0)
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+#define bstoreU64_inc(ptr, val) do { \
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+ *(UInt64 *)(ptr) = swap64((val)); \
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+ (ptr) = (((char *)(ptr)) + 8); \
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+} while(0)
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#else // BYTE_ORDER == BIG_ENDIAN
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#define bswabU16(val) val
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-#define bswabU16_inc(ptr) (*((UInt16*) (ptr))++)
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-#define bswabU32_inc(ptr) (*((UInt32*) (ptr))++)
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-#define bswabU64_inc(ptr) (*((UInt64*) (ptr))++)
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+#define bswabU16_inc(ptr) \
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+ *(UInt16 *)(ptr), (ptr) = (((char *)(ptr)) + 2)
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+#define bswabU32_inc(ptr) \
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+ *(UInt32 *)(ptr), (ptr) = (((char *)(ptr)) + 4)
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+#define bswabU64_inc(ptr) \
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+ *(UInt64 *)(ptr), (ptr) = (((char *)(ptr)) + 8)
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-#define bstoreU16_inc(ptr, val) (*((UInt16*) (ptr))++) = val
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-#define bstoreU32_inc(ptr, val) (*((UInt32*) (ptr))++) = val
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-#define bstoreU64_inc(ptr, val) (*((UInt64*) (ptr))++) = val
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+#define bstoreU16_inc(ptr, val) do { \
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+ *(UInt16 *)(ptr) = (val); \
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+ (ptr) = (((char *)(ptr)) + 2); \
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+} while(0)
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+#define bstoreU32_inc(ptr, val) do { \
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+ *(UInt32 *)(ptr) = (val); \
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+ (ptr) = (((char *)(ptr)) + 4); \
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+} while(0)
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+#define bstoreU64_inc(ptr, val) do { \
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+ *(UInt64 *)(ptr) = (val); \
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+ (ptr) = (((char *)(ptr)) + 8); \
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+} while(0)
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#endif
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-/* for the sake of compleetness and readability */
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-#define bswabU8_inc(ptr) (*((UInt8*) (ptr))++)
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-#define bstoreU8_inc(ptr,val) (*((UInt8*) (ptr))++) = val
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+/* for the sake of completeness and readability */
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+#define bswabU8_inc(ptr) \
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+ *(UInt8 *)(ptr), (ptr) = (((char *)(ptr)) + 1)
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+#define bstoreU8_inc(ptr, val) do { \
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+ *(UInt8 *)(ptr) = (val); \
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+ (ptr) = (((char *)(ptr)) + 1); \
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+} while(0)
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