#ifndef _PCITOOL_TOOLS_H
#define _PCITOOL_TOOLS_H

#include <stdio.h>
#include <stdint.h>

#define BIT_MASK(bits) ((1ll << (bits)) - 1)

#define min2(a, b) (((a)<(b))?(a):(b))

typedef enum {
    PCILIB_TRISTATE_NO = 0,
    PCILIB_TRISTATE_PARTIAL = 1,
    PCILIB_TRISTATE_YES = 2
} pcilib_tristate_t;

#include "pci.h"

int pcilib_isnumber(const char *str);
int pcilib_isxnumber(const char *str);
int pcilib_isnumber_n(const char *str, size_t len);
int pcilib_isxnumber_n(const char *str, size_t len);

uint16_t pcilib_swap16(uint16_t x);
uint32_t pcilib_swap32(uint32_t x);
uint64_t pcilib_swap64(uint64_t x);
void pcilib_swap(void *dst, void *src, size_t size, size_t n);

void * pcilib_memcpy8(void * dst, void const * src, size_t len);
void * pcilib_memcpy32(void * dst, void const * src, size_t len);
void * pcilib_memcpy64(void * dst, void const * src, size_t len);
void * pcilib_datacpy32(void * dst, void const * src, uint8_t size, size_t n, pcilib_endianess_t endianess);

int pcilib_get_page_mask();


int pcilib_add_timeout(struct timeval *tv, pcilib_timeout_t timeout);
int pcilib_calc_deadline(struct timeval *tv, pcilib_timeout_t timeout);
int pcilib_check_deadline(struct timeval *tve, pcilib_timeout_t timeout);
pcilib_timeout_t pcilib_calc_time_to_deadline(struct timeval *tve);
int pcilib_sleep_until_deadline(struct timeval *tv);
int pcilib_timecmp(struct timeval *tv1, struct timeval *tv2);

#endif /* _PCITOOL_TOOS_H */