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>
date Sun, 28 May 2017 23:54:31 +0900
parents 284d742e5611
children b4356d1cf3e4
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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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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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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;
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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