#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>

int main (int argc, char **argv) {
	long maxsleep;

	if (argc < 2) {
		fputs("Usage: randsleep <max> [<cmd> [<args ...>]]\n", stderr);
		return 1;
	}

	maxsleep = atol(argv[1]);

	srand(time(NULL) + getpid());

	sleep((rand() % maxsleep) + 1);

	if (argc > 2) {
		execvp(argv[2], argv + 2);
		perror("execvp");
	}

	return 0;
}