//-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// utilities
//-----------------------------------------------------------------------------

#ifndef UTIL_H__
#define UTIL_H__

#include <stdint.h>
#include <stddef.h>

#ifndef ROTR
# define ROTR(x,n) (((uintmax_t)(x) >> (n)) | ((uintmax_t)(x) << ((sizeof(x) * 8) - (n))))
#endif
#ifndef MIN
# define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef MAX
# define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif

#define EVEN                        0
#define ODD                         1

extern int ukbhit(void);

extern void AddLogLine(char *fileName, char *extData, char *c);
extern void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t len);
extern void AddLogUint64(char *fileName, char *extData, const uint64_t data);
extern void AddLogCurrentDT(char *fileName);
extern void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount);

extern void print_hex(const uint8_t * data, const size_t len);
extern char *sprint_hex(const uint8_t * data, const size_t len);
extern char *sprint_bin(const uint8_t * data, const size_t len);
extern char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks);
extern char *sprint_hex_ascii(const uint8_t *data, const size_t len);
extern char *sprint_ascii(const uint8_t *data, const size_t len);

extern void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
extern uint64_t bytes_to_num(uint8_t* src, size_t len);
extern void num_to_bytebits(uint64_t	n, size_t len, uint8_t *dest);
extern void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest);
extern char *printBits(size_t const size, void const * const ptr);
extern uint32_t SwapBits(uint32_t value, int nrbits);
extern uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize);
extern void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest);

extern char param_getchar(const char *line, int paramnum);
extern int param_getptr(const char *line, int *bg, int *en, int paramnum);
extern uint8_t param_get8(const char *line, int paramnum);
extern uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base);
extern uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base);
extern uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base);
extern uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination);
extern uint8_t param_isdec(const char *line, int paramnum);
extern int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt);
extern int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt);
extern int param_getstr(const char *line, int paramnum, char * str);

extern int hextobinarray( char *target,  char *source);
extern int hextobinstring( char *target,  char *source);
extern int binarraytohex( char *target,  char *source,  int length);
extern void binarraytobinstring(char *target,  char *source,  int length);
extern uint8_t GetParity( uint8_t *string, uint8_t type,  int length);
extern void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length);

extern void xor(unsigned char *dst, unsigned char *src, size_t len);
extern int32_t le24toh(uint8_t data[3]);
extern uint32_t le32toh (uint8_t *data);
extern void rol(uint8_t *data, const size_t len);

extern void clean_ascii(unsigned char *buf, size_t len);

// timer functions/macros
#ifdef _WIN32
# include <windows.h>
# define sleep(n) Sleep(1000 *(n))
# define msleep(n) Sleep((n))
#else
extern void msleep(uint32_t n);		// sleep n milliseconds
#endif // _WIN32

extern uint64_t msclock(); 			// a milliseconds clock
extern int num_CPUs(void);			// number of logical CPUs

#endif // UTIL_H__