#ifndef LINUXSMARTIE_UTILS_H
#define LINUXSMARTIE_UTILS_H

#include <stddef.h>
#include <time.h>

#if __STDC_VERSION__ >= 202000L
#define C_STD "C23"
#elif __STDC_VERSION__ >= 201710L
#define C_STD "C17"
#elif __STDC_VERSION__ >= 201112L
#define C_STD "C11"
#elif __STDC_VERSION__ >= 199901L
#define C_STD "C99"
#else
#define C_STD "C89"
#endif

#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define P_BYTES(bytes, start) pretty_bytes((bytes), (start), (char[16]){0}, 16)
#define P_NUM(num) pretty_num((num), (char[8]){0}, 8)

int get_instance_lock(void);

void timespec_add_ms(struct timespec *ts, uint16_t ms);

uint64_t timespec_diff_us(const struct timespec *a, const struct timespec *b);

char *pretty_num(double num, char *buf, size_t bufsz);

char *pretty_bytes(uint64_t bytes, int8_t start_suffix, char *buf, size_t bufsz);

int get_hwmon_dir(char *path, size_t bufsz);

size_t read_file(const char *dir, const char *file, char *buffer, size_t n);

void fast_read_num_u64(const char *dir, const char *file, char *buf, uint64_t *result, uint32_t divider);

void fast_read_num_u16(const char *dir, const char *file, char *buf, uint16_t *result, uint32_t divider);

void fast_read_num_u8(const char *dir, const char *file, char *buf, uint8_t *result, uint32_t divider);

void fast_read_num_i16(const char *dir, const char *file, char *buf, int16_t *result, uint32_t divider);

void fast_read_num_f(const char *dir, const char *file, char *buf, float *result, uint32_t divider);

#endif