#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/time.h>

int main(int argc, char *argv[])
{
	if(argc!=2)
	{
		printf("usage: %s <mousedev>\n", argv[0]);
		return 1;
	}

	int MouseFd=open(argv[1], O_RDONLY);
	if(MouseFd<0)
	{
		printf("can't open %s (%s)\n", argv[0], strerror(errno));
		return 1;
	}

	char ReadBuf[8];
	ssize_t ReadSize;

	while((ReadSize=read(MouseFd, ReadBuf, 8))==8)
	{
		struct timeval Time;
		if(gettimeofday(&Time, NULL))
		{
			printf("can't get the time of day (%s)\n", strerror(errno));
			return 1;
		}

#define BTNSTATECHAR(a) ((a)?'u':'d')
		printf("%ld.%06ld Buttons: %c %c %c\n",
			   Time.tv_sec, Time.tv_usec,
			   BTNSTATECHAR(ReadBuf[0]&(1<<2)),
			   BTNSTATECHAR(ReadBuf[0]&(1<<1)),
			   BTNSTATECHAR(ReadBuf[0]&(1<<0)));
		fflush(stdout);
	}
	printf("read error on %s (%s\n", argv[1], strerror(errno));
	return 1;
}

/*
 * Local Variables:
 * tab-width: 4
 * End:
 */