Last change
on this file since 316 was 279, checked in by coas-nagasima, 7 years ago |
ファイルを追加、更新。
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File size:
501 bytes
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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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