77 save_cwd (struct saved_cwd *cwd)  in save_cwd()  argument
79   cwd->name = NULL;  in save_cwd()
81   cwd->desc = fd_safer (open (".", O_RDONLY));  in save_cwd()
82   if (cwd->desc < 0)  in save_cwd()
84       cwd->desc = fd_safer (open (".", O_WRONLY));  in save_cwd()
85       if (cwd->desc < 0)  in save_cwd()
87 	  cwd->name = xgetcwd ();  in save_cwd()
88 	  return cwd->name ? 0 : -1;  in save_cwd()
100 restore_cwd (const struct saved_cwd *cwd)  in restore_cwd()  argument
102   if (0 <= cwd->desc)  in restore_cwd()
103     return fchdir (cwd->desc);  in restore_cwd()
105     return chdir_long (cwd->name);  in restore_cwd()
109 free_cwd (struct saved_cwd *cwd)  in free_cwd()  argument
111   if (cwd->desc >= 0)  in free_cwd()
112     close (cwd->desc);  in free_cwd()
113   if (cwd->name)  in free_cwd()
114     free (cwd->name);  in free_cwd()