/* vifm
 * Copyright (C) 2011 xaizek.
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "string_array.h"

#include <stddef.h> /* NULL size_t */
#include <stdlib.h> /* free() */
#include <string.h> /* strdup() */

#include "../compat/reallocarray.h"

int
add_to_string_array(char ***array, int len, const char item[])
{
	char **p = reallocarray(*array, len + 1, sizeof(*p));
	if(p == NULL)
	{
		return len;
	}
	*array = p;

	if(item == NULL)
	{
		p[len++] = NULL;
	}
	else if((p[len] = strdup(item)) != NULL)
	{
		++len;
	}

	return len;
}

int
put_into_string_array(char ***array, int len, char item[])
{
	char **const arr = reallocarray(*array, len + 1, sizeof(char *));
	if(arr != NULL)
	{
		*array = arr;
		arr[len++] = item;
	}
	return len;
}

void
free_string_array(char *array[], size_t len)
{
	if(array != NULL)
	{
		free_strings(array, len);
		free(array);
	}
}

void
free_strings(char *array[], size_t len)
{
	size_t i;
	for(i = 0; i < len; ++i)
	{
		free(array[i]);
	}
}

/* vim: set tabstop=2 softtabstop=2 shiftwidth=2 noexpandtab cinoptions-=(0 : */
/* vim: set cinoptions+=t0 filetype=c : */