author | Wagner Bruna <wbruna@softwareexpress.com.br> |
Wed, 31 May 2017 19:24:00 -0300 | |
branch | stable |
changeset 32574 | 870248603a4e |
parent 29444 | 284d742e5611 |
child 32646 | b4356d1cf3e4 |
permissions | -rw-r--r-- |
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#ifndef _HG_BITMANIPULATION_H_ |
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#define _HG_BITMANIPULATION_H_ |
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#include "compat.h" |
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static inline uint32_t getbe32(const char *c) |
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{ |
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const unsigned char *d = (const unsigned char *)c; |
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return ((d[0] << 24) | |
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(d[1] << 16) | |
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(d[2] << 8) | |
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(d[3])); |
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} |
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static inline int16_t getbeint16(const char *c) |
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{ |
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const unsigned char *d = (const unsigned char *)c; |
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return ((d[0] << 8) | |
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(d[1])); |
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} |
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static inline uint16_t getbeuint16(const char *c) |
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{ |
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const unsigned char *d = (const unsigned char *)c; |
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return ((d[0] << 8) | |
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(d[1])); |
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} |
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static inline void putbe32(uint32_t x, char *c) |
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{ |
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c[0] = (x >> 24) & 0xff; |
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c[1] = (x >> 16) & 0xff; |
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c[2] = (x >> 8) & 0xff; |
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c[3] = (x) & 0xff; |
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} |
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static inline double getbefloat64(const char *c) |
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{ |
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const unsigned char *d = (const unsigned char *)c; |
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double ret; |
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int i; |
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uint64_t t = 0; |
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for (i = 0; i < 8; i++) { |
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t = (t<<8) + d[i]; |
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} |
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memcpy(&ret, &t, sizeof(t)); |
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return ret; |
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} |
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#endif |