/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
 * Copyright (C) 2018 - David Oberhollenzer
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
#include <ctype.h>
#include <stdio.h>

#include "libcfg.h"

int splitkv(rdline_t *rd, char **k, char **v)
{
	char *key = rd->buffer, *value = rd->buffer;

	while (*value != ' ' && *value != '\0') {
		if (!isalpha(*value)) {
			fprintf(stderr,
				"%s: %zu: unexpected '%c' in keyword\n",
				rd->filename, rd->lineno, *value);
			return -1;
		}
		++value;
	}

	if (*value != ' ') {
		fprintf(stderr, "%s: %zu: expected argument after '%s'\n",
			rd->filename, rd->lineno, key);
		return -1;
	}

	*(value++) = '\0';

	*k = key;
	*v = value;
	return 0;
}