/* 
 * Copyright (C) 2026 Peter Mikkelsen <petermikkelsen10@gmail.com>
 *
 * This file is part of aplwc.
 *
 * Aplwc 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.
 *
 * Aplwc 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 aplwc.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <string.h>
#include <aplwc.h>

static void *
my_alloc(size_t size, size_t *actual)
{
	if(actual)
		*actual = size;
	return malloc(size);
}

static void
my_dealloc(void *p)
{
	free(p);
}

int
main(void)
{
	enum aplwc_rc ret;
	struct aplwc_fns fns;
	struct aplwc *aplwc;
	int success;
	const char *err;

	success = 0;

	memset(&fns, 0, sizeof(fns));
	fns.alloc = my_alloc;
	fns.dealloc = my_dealloc;

	aplwc = aplwc_new(fns, &ret);
	if(ret)
		goto end;

	err = aplwc_errstr(aplwc);
	if(err == NULL)
		goto end;

	if(strlen(err) != 0)
		goto end;

	err = aplwc_errstr(NULL);
	if(err == NULL)
		goto end;
	if(strcmp(err, "(unable to produce error string)") != 0)
		goto end;

	aplwc_destroy(aplwc);

	fns.alloc = NULL;
	aplwc = aplwc_new(fns, &ret);
	if(ret == 0)
		goto end;
	err = aplwc_errstr_rc(ret);
	if(err == NULL)
		goto end;

	for(ret = 0; ret <= APLWC_RC_LAST; ret++){
		err = aplwc_errstr_rc(ret);
		if(err == NULL)
			goto end;
		if(strcmp(err, "(unable to produce error string)") == 0)
			goto end;
	}

	success = 1;
end:
	if(aplwc)
		aplwc_destroy(aplwc);
	return !success;
}