mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-20 23:36:31 +08:00
90 lines
3 KiB
C
90 lines
3 KiB
C
//-----------------------------------------------------------------------------
|
|
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// See LICENSE.txt for the text of the license.
|
|
//-----------------------------------------------------------------------------
|
|
// Utility functions used in many places, not specific to any piece of code.
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef __COMMONUTIL_H
|
|
#define __COMMONUTIL_H
|
|
|
|
#include "common.h"
|
|
|
|
// endian change for 16bit
|
|
#ifdef __GNUC__
|
|
#ifndef BSWAP_16
|
|
#define BSWAP_16(x) __builtin_bswap16(x)
|
|
#endif
|
|
#else
|
|
#ifdef _MSC_VER
|
|
#ifndef BSWAP_16
|
|
#define BSWAP_16(x) _byteswap_ushort(x)
|
|
#endif
|
|
#else
|
|
#ifndef BSWAP_16
|
|
# define BSWAP_16(x) ((( ((x) & 0xFF00 ) >> 8))| ( (((x) & 0x00FF) << 8)))
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef BITMASK
|
|
# define BITMASK(X) (1 << (X))
|
|
#endif
|
|
#ifndef ARRAYLEN
|
|
# define ARRAYLEN(x) (sizeof(x)/sizeof((x)[0]))
|
|
#endif
|
|
|
|
#ifndef NTIME
|
|
# define NTIME(n) for (int _index = 0; _index < n; _index++)
|
|
#endif
|
|
|
|
extern struct version_information_t g_version_information;
|
|
void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_info);
|
|
void format_version_information_short(char *dst, int len, void *version_info);
|
|
|
|
uint32_t reflect(uint32_t v, int b); // used in crc.c ...
|
|
uint8_t reflect8(uint8_t b); // dedicated 8bit reversal
|
|
uint16_t reflect16(uint16_t b); // dedicated 16bit reversal
|
|
uint32_t reflect32(uint32_t b); // dedicated 32bit reversal
|
|
|
|
void num_to_bytes(uint64_t n, size_t len, uint8_t *dest);
|
|
uint64_t bytes_to_num(uint8_t *src, size_t len);
|
|
|
|
// LE and BE to/from memory
|
|
uint16_t MemLeToUint2byte(const uint8_t *data);
|
|
uint32_t MemLeToUint3byte(const uint8_t *data);
|
|
uint32_t MemLeToUint4byte(const uint8_t *data);
|
|
uint16_t MemBeToUint2byte(const uint8_t *data);
|
|
uint32_t MemBeToUint3byte(const uint8_t *data);
|
|
uint32_t MemBeToUint4byte(const uint8_t *data);
|
|
void Uint2byteToMemLe(uint8_t *data, uint16_t value);
|
|
void Uint3byteToMemLe(uint8_t *data, uint32_t value);
|
|
void Uint4byteToMemLe(uint8_t *data, uint32_t value);
|
|
void Uint2byteToMemBe(uint8_t *data, uint16_t value);
|
|
void Uint3byteToMemBe(uint8_t *data, uint32_t value);
|
|
void Uint4byteToMemBe(uint8_t *data, uint32_t value);
|
|
|
|
// rotate left byte array
|
|
void rol(uint8_t *data, const size_t len);
|
|
void lsl(uint8_t *data, size_t len);
|
|
uint32_t le24toh(const uint8_t data[3]);
|
|
void htole24(uint32_t val, uint8_t data[3]);
|
|
|
|
// rol on a u32
|
|
uint32_t rotl(uint32_t a, uint8_t n);
|
|
uint32_t rotr(uint32_t a, uint8_t n);
|
|
|
|
uint16_t get_sw(const uint8_t *d, uint8_t n);
|
|
#endif
|