add posix_spawn [f]chdir file actions
[musl] / src / process / posix_spawn_file_actions_addchdir.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_addchdir_np(posix_spawn_file_actions_t *restrict fa, const char *restrict path)
8 {
9         struct fdop *op = malloc(sizeof *op + strlen(path) + 1);
10         if (!op) return ENOMEM;
11         op->cmd = FDOP_CHDIR;
12         op->fd = -1;
13         strcpy(op->path, path);
14         if ((op->next = fa->__actions)) op->next->prev = op;
15         op->prev = 0;
16         fa->__actions = op;
17         return 0;
18 }