author | Pulkit Goyal <7895pulkit@gmail.com> |
Wed, 22 Jan 2020 03:17:06 +0530 | |
changeset 44264 | d3f776c4760e |
parent 38303 | 1fb2510cf8c8 |
child 46707 | eed42f1c22d6 |
permissions | -rw-r--r-- |
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#ifndef _HG_BITMANIPULATION_H_ |
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#define _HG_BITMANIPULATION_H_ |
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bitmanipulation: add missing include of string.h
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#include <string.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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1fb2510cf8c8
bitmanipulation: fix undefined behavior in bit shift in getbe32
Augie Fackler <augie@google.com>
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return ((((uint32_t)d[0]) << 24) | (((uint32_t)d[1]) << 16) | |
1fb2510cf8c8
bitmanipulation: fix undefined behavior in bit shift in getbe32
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(((uint32_t)d[2]) << 8) | (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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bitmanipulation: reformat with clang-format
Augie Fackler <augie@google.com>
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return ((d[0] << 8) | (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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ce77b0563228
bitmanipulation: reformat with clang-format
Augie Fackler <augie@google.com>
parents:
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diff
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return ((d[0] << 8) | (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; |
34697
ce77b0563228
bitmanipulation: reformat with clang-format
Augie Fackler <augie@google.com>
parents:
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diff
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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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Maciej Fijalkowski <fijall@gmail.com>
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double ret; |
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Maciej Fijalkowski <fijall@gmail.com>
parents:
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int i; |
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Maciej Fijalkowski <fijall@gmail.com>
parents:
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uint64_t t = 0; |
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Maciej Fijalkowski <fijall@gmail.com>
parents:
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for (i = 0; i < 8; i++) { |
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Augie Fackler <augie@google.com>
parents:
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diff
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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 |