31 lines
1.2 KiB
Plaintext
31 lines
1.2 KiB
Plaintext
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//--------------------------------------------------------------------
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// EndianSwap - inline
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// Copyright (C) Microsoft Corporation, 1999
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//
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// Created by: Louis Thomas (louisth), 4-16-99
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//
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// Inlines to do endian conversion.
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// Suck these into a .cpp if you need them.
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//
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//--------------------------------------------------------------------
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static inline unsigned __int16 EndianSwap(unsigned __int16 wSource) {
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return (wSource&0x00ff)<<8 | (wSource&0xff00)>>8;
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}
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//--------------------------------------------------------------------
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static inline unsigned __int32 EndianSwap(unsigned __int32 dwSource) {
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return
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(dwSource&0x000000ff)<<24 | (dwSource&0x0000ff00)<<8
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| (dwSource&0x00ff0000)>>8 | (dwSource&0xff000000)>>24;
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}
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//--------------------------------------------------------------------
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static inline unsigned __int64 EndianSwap(unsigned __int64 qwSource) {
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return
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(qwSource&0x00000000000000ff)<<56 | (qwSource&0x000000000000ff00)<<40
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| (qwSource&0x0000000000ff0000)<<24 | (qwSource&0x00000000ff000000)<<8
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| (qwSource&0x000000ff00000000)>>8 | (qwSource&0x0000ff0000000000)>>24
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| (qwSource&0x00ff000000000000)>>40 | (qwSource&0xff00000000000000)>>56;
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}
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