nsz Git - musl/blob - src/process/posix_spawn_file_actions_addfchdir.c

   1 #include <spawn.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <errno.h>
   5 #include "fdop.h"
   6
   7 int 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 }