#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "util.h"

char *String_Copy(char *str) {
	char *strnew;
	int len;
	len = strlen(str);
	strnew = malloc(len + 1);
	strcpy(strnew, str);
	return (strnew);
}


/////////////////////////////
// Time_GetTime
//
// Gets the current time in usecs.
/////////////////////////////
// Time_Pause
//
// Pauses the execution for t usecs.
#if WIN32
#include <windows.h>
// WIN32
long long Time_GetTime(){
	LARGE_INTEGER freq;
	LARGE_INTEGER tim;
	long long int microt;

	QueryPerformanceFrequency(&freq);
	QueryPerformanceCounter(&tim);
	microt=(tim.QuadPart*1000000)/freq.QuadPart;
	return(microt);
}
void Time_Pause(int pausa){
	long long tend,t,diff;

	t=Time_GetTime();
	tend=t+pausa;
	do{
		diff=tend-t;
		if(diff>1000){
			Sleep(diff/1000);
		}else{
			Sleep(0);
		}
		t=Time_GetTime();
	}while(tend>=t);
}
#else
// UNIX
long long Time_GetTime(){
	struct timeval t;
	long long usecs;
	gettimeofday(&t,NULL);
	usecs=(t.tv_sec*1000000ll)+(t.tv_usec);
	return(usecs);
}
void Time_Pause(int pausa){
	struct timeval tv;
	tv.tv_sec=(long long)pausa/1000000;
	tv.tv_usec=(long long)pausa%1000000;
	select(0, NULL, NULL, NULL, &tv);
}
#endif // if WIN32