#include <spawn.h>
#include <stdlib.h>
#include "fdop.h"

int __faexpand(posix_spawn_file_actions_t *fa, size_t str)
{
	posix_spawn_file_actions_t *n, *blk;
	blk = malloc(sizeof *blk + str);
	if (!blk) return -1;
	*blk = *fa;
	n = fa->fa_chain;
	fa->fa_chain = blk;
	blk->fa_chain = n->fa_chain;
	n->fa_chain = blk;
	fa->fa_cnt = 0;
	return 0;
}