annotate mercurial/bitmanipulation.h @ 44611:8fca7e8449a8 stable 5.3.2

histedit: add missing b prefix to a string If i18n is disabled (such as via HGPLAIN=1), `_()` doesn't convert from str to bytes, so this raises a TypeError on py3. Differential Revision: https://phab.mercurial-scm.org/D8354
author Kyle Lippincott <spectral@google.com>
date Wed, 01 Apr 2020 14:14:55 -0700
parents 1fb2510cf8c8
children eed42f1c22d6
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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 <string.h>
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5
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6 #include "compat.h"
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7
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8 static inline uint32_t getbe32(const char *c)
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9 {
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10 const unsigned char *d = (const unsigned char *)c;
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12 return ((((uint32_t)d[0]) << 24) | (((uint32_t)d[1]) << 16) |
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13 (((uint32_t)d[2]) << 8) | (d[3]));
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14 }
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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) | (d[1]));
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21 }
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23 static inline uint16_t getbeuint16(const char *c)
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24 {
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25 const unsigned char *d = (const unsigned char *)c;
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27 return ((d[0] << 8) | (d[1]));
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28 }
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30 static inline void putbe32(uint32_t x, char *c)
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31 {
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32 c[0] = (x >> 24) & 0xff;
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33 c[1] = (x >> 16) & 0xff;
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34 c[2] = (x >> 8) & 0xff;
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35 c[3] = (x)&0xff;
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36 }
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38 static inline double getbefloat64(const char *c)
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39 {
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40 const unsigned char *d = (const unsigned char *)c;
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41 double ret;
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42 int i;
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43 uint64_t t = 0;
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44 for (i = 0; i < 8; i++) {
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45 t = (t << 8) + d[i];
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46 }
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47 memcpy(&ret, &t, sizeof(t));
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48 return ret;
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49 }
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51 #endif