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annotate mercurial/bitmanipulation.h @ 29874:0099e29fc95c

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histedit: drop the 'nodetoverify' method That method is just returning self.node and is never overridden. We just use the attribute directly instead and get rid of the method. This is the beginning of series to simplify and unify verification of constraints for actions.
author Pierre-Yves David <pierre-yves.david@ens-lyon.org>
date Fri, 26 Aug 2016 20:31:33 +0200
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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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;
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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