Mercurial > hg
annotate mercurial/bitmanipulation.h @ 32543:cf7c88986e9f
match: define exactmatcher.matchfn statically
This should eliminate the reference cycle, self.matchfn -> self.exact -> self.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 28 May 2017 23:54:31 +0900 |
parents | 284d742e5611 |
children | b4356d1cf3e4 |
rev | line source |
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1 #ifndef _HG_BITMANIPULATION_H_ |
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2 #define _HG_BITMANIPULATION_H_ |
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3 |
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4 #include "compat.h" |
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5 |
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6 static inline uint32_t getbe32(const char *c) |
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7 { |
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8 const unsigned char *d = (const unsigned char *)c; |
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9 |
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10 return ((d[0] << 24) | |
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11 (d[1] << 16) | |
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12 (d[2] << 8) | |
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13 (d[3])); |
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14 } |
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15 |
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16 static inline int16_t getbeint16(const char *c) |
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17 { |
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18 const unsigned char *d = (const unsigned char *)c; |
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19 |
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20 return ((d[0] << 8) | |
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21 (d[1])); |
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22 } |
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23 |
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24 static inline uint16_t getbeuint16(const char *c) |
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25 { |
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26 const unsigned char *d = (const unsigned char *)c; |
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27 |
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28 return ((d[0] << 8) | |
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29 (d[1])); |
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30 } |
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31 |
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32 static inline void putbe32(uint32_t x, char *c) |
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33 { |
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34 c[0] = (x >> 24) & 0xff; |
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35 c[1] = (x >> 16) & 0xff; |
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36 c[2] = (x >> 8) & 0xff; |
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37 c[3] = (x) & 0xff; |
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38 } |
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39 |
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40 static inline double getbefloat64(const char *c) |
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41 { |
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42 const unsigned char *d = (const unsigned char *)c; |
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43 double ret; |
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44 int i; |
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45 uint64_t t = 0; |
284d742e5611
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46 for (i = 0; i < 8; i++) { |
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47 t = (t<<8) + d[i]; |
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48 } |
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49 memcpy(&ret, &t, sizeof(t)); |
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50 return ret; |
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51 } |
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52 |
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53 #endif |