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@@ -1,53 +1,55 | |||
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1 | 1 | #ifndef _HG_BITMANIPULATION_H_ |
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2 | 2 | #define _HG_BITMANIPULATION_H_ |
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3 | 3 | |
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4 | #include <string.h> | |
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5 | ||
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4 | 6 | #include "compat.h" |
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5 | 7 | |
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6 | 8 | static inline uint32_t getbe32(const char *c) |
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7 | 9 | { |
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8 | 10 | const unsigned char *d = (const unsigned char *)c; |
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9 | 11 | |
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10 | 12 | return ((d[0] << 24) | |
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11 | 13 | (d[1] << 16) | |
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12 | 14 | (d[2] << 8) | |
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13 | 15 | (d[3])); |
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14 | 16 | } |
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15 | 17 | |
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16 | 18 | static inline int16_t getbeint16(const char *c) |
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17 | 19 | { |
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18 | 20 | const unsigned char *d = (const unsigned char *)c; |
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19 | 21 | |
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20 | 22 | return ((d[0] << 8) | |
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21 | 23 | (d[1])); |
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22 | 24 | } |
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23 | 25 | |
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24 | 26 | static inline uint16_t getbeuint16(const char *c) |
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25 | 27 | { |
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26 | 28 | const unsigned char *d = (const unsigned char *)c; |
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27 | 29 | |
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28 | 30 | return ((d[0] << 8) | |
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29 | 31 | (d[1])); |
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30 | 32 | } |
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31 | 33 | |
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32 | 34 | static inline void putbe32(uint32_t x, char *c) |
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33 | 35 | { |
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34 | 36 | c[0] = (x >> 24) & 0xff; |
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35 | 37 | c[1] = (x >> 16) & 0xff; |
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36 | 38 | c[2] = (x >> 8) & 0xff; |
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37 | 39 | c[3] = (x) & 0xff; |
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38 | 40 | } |
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39 | 41 | |
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40 | 42 | static inline double getbefloat64(const char *c) |
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41 | 43 | { |
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42 | 44 | const unsigned char *d = (const unsigned char *)c; |
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43 | 45 | double ret; |
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44 | 46 | int i; |
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45 | 47 | uint64_t t = 0; |
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46 | 48 | for (i = 0; i < 8; i++) { |
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47 | 49 | t = (t<<8) + d[i]; |
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48 | 50 | } |
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49 | 51 | memcpy(&ret, &t, sizeof(t)); |
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50 | 52 | return ret; |
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51 | 53 | } |
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52 | 54 | |
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53 | 55 | #endif |
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