hashx_time.c

/* Copyright (c) 2020 tevador <tevador@gmail.com> */
/* See LICENSE for licensing information */
 
#include "hashx_time.h"
#include <hashx.h>
 
#if defined(HASHX_WIN)
#include <windows.h>
#else
#include <sys/time.h>
#endif
 
double hashx_time() {
#ifdef HASHX_WIN
        static double freq = 0;
        if (freq == 0) {
                LARGE_INTEGER freq_long;
                if (!QueryPerformanceFrequency(&freq_long)) {
                        return 0;
                }
                freq = freq_long.QuadPart;
        }
        LARGE_INTEGER time;
        if (!QueryPerformanceCounter(&time)) {
                return 0;
        }
        return time.QuadPart / freq;
#else
        struct timeval time;
        if (gettimeofday(&time, NULL) != 0) {
                return 0;
        }
        return (double)time.tv_sec + (double)time.tv_usec * 1.0e-6;
#endif
}