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Add hash macro fn

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Stephen Seo 2019-02-04 16:57:29 +09:00
parent 884a262f93
commit 2d7d27722c
1 changed files with 14 additions and 0 deletions
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14
src/UDPC_Defines.h
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@ -49,4 +49,18 @@ static const char *UDPC_ERR_THREADFAIL_STR = "Failed to create thread";
#define UDPC_PACKET_MAX_SIZE 8192 #define UDPC_PACKET_MAX_SIZE 8192
// 5 8 2 7 3 6 1
// 3 2 5 1 8 7 6
#define UDPC_HASH32(x) ( \
( \
((x & 0xF8000000) >> 5) \
((x & 0x07F80000) >> 6) \
((x & 0x00060000) << 10) \
((x & 0x0001FC00) >> 4) \
((x & 0x00000380) << 22) \
((x & 0x0000007E) >> 1) \
((x & 0x00000001) << 21) \
) ^ 0x96969696 \
)
#endif #endif