Mercurial > hg
view mercurial/bitmanipulation.h @ 37319:36d17f37db91
wireproto: convert human output frames to CBOR
This is easier than rolling our own encoding format.
As a bonus, some of our artificial limits around lengths of
things went away because we are no longer using fixed length
fields to hold sizes.
Differential Revision: https://phab.mercurial-scm.org/D3067
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Fri, 30 Mar 2018 14:52:32 -0700 |
parents | ce77b0563228 |
children | 1fb2510cf8c8 |
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#ifndef _HG_BITMANIPULATION_H_ #define _HG_BITMANIPULATION_H_ #include <string.h> #include "compat.h" static inline uint32_t getbe32(const char *c) { const unsigned char *d = (const unsigned char *)c; return ((d[0] << 24) | (d[1] << 16) | (d[2] << 8) | (d[3])); } static inline int16_t getbeint16(const char *c) { const unsigned char *d = (const unsigned char *)c; return ((d[0] << 8) | (d[1])); } static inline uint16_t getbeuint16(const char *c) { const unsigned char *d = (const unsigned char *)c; return ((d[0] << 8) | (d[1])); } static inline void putbe32(uint32_t x, char *c) { c[0] = (x >> 24) & 0xff; c[1] = (x >> 16) & 0xff; c[2] = (x >> 8) & 0xff; c[3] = (x)&0xff; } static inline double getbefloat64(const char *c) { const unsigned char *d = (const unsigned char *)c; double ret; int i; uint64_t t = 0; for (i = 0; i < 8; i++) { t = (t << 8) + d[i]; } memcpy(&ret, &t, sizeof(t)); return ret; } #endif