Last change
on this file since 286 was 279, checked in by coas-nagasima, 7 years ago |
ファイルを追加、更新。
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Property svn:eol-style
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Property svn:keywords
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Id
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Property svn:mime-type
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File size:
501 bytes
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[279] | 1 | #ifndef _BYTESWAP_H
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| 2 | #define _BYTESWAP_H
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| 3 |
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| 4 | #include <features.h>
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| 5 | #include <stdint.h>
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| 6 |
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| 7 | static __inline uint16_t __bswap_16(uint16_t __x)
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| 8 | {
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| 9 | return __x<<8 | __x>>8;
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| 10 | }
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| 11 |
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| 12 | static __inline uint32_t __bswap_32(uint32_t __x)
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| 13 | {
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| 14 | return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24;
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| 15 | }
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| 16 |
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| 17 | static __inline uint64_t __bswap_64(uint64_t __x)
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| 18 | {
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| 19 | return __bswap_32(__x)+0ULL<<32 | __bswap_32(__x>>32);
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| 20 | }
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| 21 |
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| 22 | #define bswap_16(x) __bswap_16(x)
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| 23 | #define bswap_32(x) __bswap_32(x)
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| 24 | #define bswap_64(x) __bswap_64(x)
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| 25 |
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| 26 | #endif
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