1#include <spawn.h>
 2#include <stdlib.h>
 3#include <string.h>
 4#include <errno.h>
 5#include "fdop.h"
 6
 7int posix_spawn_file_actions_addfchdir_np(posix_spawn_file_actions_t *fa, int fd)
 8{
 9	if (fd < 0) return EBADF;
10	struct fdop *op = malloc(sizeof *op);
11	if (!op) return ENOMEM;
12	op->cmd = FDOP_FCHDIR;
13	op->fd = fd;
14	if ((op->next = fa->__actions)) op->next->prev = op;
15	op->prev = 0;
16	fa->__actions = op;
17	return 0;
18}