/* This file is part of the sample code and exercises
 * used by the class "Advanced Programming in the UNIX
 * Environment" taught by Jan Schaumann
 * <jschauma@netmeister.org> at Stevens Institute of
 * Technology.
 *
 * This file is in the public domain.
 *
 * You don't have to, but if you feel like
 * acknowledging where you got this code, you may
 * reference me by name, email address, or point
 * people to the course website:
 * https://stevens.netmeister.org/631/
 */

/* The world's most trivial 'ln -s', in a way. */

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

int
main(int argc, char **argv) {
	if (argc != 3) {
		fprintf(stderr, "Usage: %s source target\n", argv[0]);
		exit(EXIT_FAILURE);
	}

	if (symlink(argv[1], argv[2]) < 0) {
		fprintf(stderr, "Unable to symlink '%s' to '%s': %s\n",
				argv[2], argv[1], strerror(errno));
		exit(EXIT_FAILURE);
	}

	return EXIT_SUCCESS;
}