/*
 * ldnssec-utils
 *
 * Written in 2021 by Lucas
 *
 * To the extent possible under law, the author(s) have dedicated all
 * copyright and related and neighboring rights to this software to the
 * public domain worldwide. This software is distributed without any
 * warranty.
 *
 * You should have received a copy of the CC0 Public Domain Dedication
 * along with this software. If not, see
 * <http://creativecommons.org/publicdomain/zero/1.0/>.
 */

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

#include <ldns/ldns.h>

#include "util.h"

static void
usage(void)
{
	fprintf(stderr, "usage: %s [-f zone]\n", getprogname());
	exit(1);
}

int
main(int argc, char *argv[])
{
	ldns_zone *zone;
	ldns_status s;
	FILE *fp;
	char *filename;
	int ch, line_nr;

	fp = NULL;
	filename = NULL;
	while ((ch = getopt(argc, argv, "f:")) != -1) {
		switch (ch) {
		case 'f':
			if (fp != NULL)
				errx(1, "-f can be used only once");
			filename = optarg;
			fp = fopen(filename, "r");
			if (fp == NULL)
				err(1, "fopen");
			break;
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	if (fp == NULL) {
		filename = "(stdin)";
		fp = stdin;
	}

	fatal_check_minimum_ldns_revision();

	s = ldns_zone_new_frm_fp_l(&zone, fp, NULL, LDNS_DEFAULT_TTL,
	    LDNS_RR_CLASS_IN, &line_nr);
	if (s != LDNS_STATUS_OK)
		errx(1, "ldns_zone_new_frm_fp_l: file %s line %d: %s",
		    filename, line_nr, ldns_get_errorstr_by_id(s));
	if (fp != stdin)
		(void)fclose(fp);

	ldns_zone_print(stdout, zone);

	ldns_zone_deep_free(zone);

	return 0;
}