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8e7a874bdf
This is to allow more flexibility with the C sources -- now the bitmanipulation routines can be safely imported without importing Python.h
54 lines
933 B
C
54 lines
933 B
C
#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
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