mirror of
https://github.com/ApfelTeeSaft/reactos.git
synced 2026-08-31 19:26:42 +00:00
Timo Kreuzer
2815ad982d
MSVC doesn't define __BYTE_ORDER__, so simply assume it is LE. svn path=/trunk/; revision=61823
27 lines
534 B
C
27 lines
534 B
C
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#if !defined(_MSC_VER) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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#include <stdlib.h>
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#include <intrin.h>
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void
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byteReverse(unsigned char *buf, unsigned longs)
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{
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unsigned int t;
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do
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{
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#if 0
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t = (unsigned int)((unsigned)buf[3] << 8 | buf[2]) << 16 |
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((unsigned)buf[1] << 8 | buf[0]);
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#else
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t = _byteswap_ulong(*(unsigned int *)buf);
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#endif
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*(unsigned int *)buf = t;
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buf += 4;
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} while (--longs);
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}
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#endif // !defined(_MSC_VER) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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