39 /* Record the location of the current working directory in CWD so that
49 save_cwd (cwd)  in save_cwd()  argument
50      struct saved_cwd *cwd;  in save_cwd()
54   cwd->desc = -1;
55   cwd->name = NULL;
60       cwd->desc = open (".", O_RDONLY);
61       if (cwd->desc < 0)
70       if (fchdir (cwd->desc))
74 	      close (cwd->desc);
75 	      cwd->desc = -1;
81 	      close (cwd->desc);
82 	      cwd->desc = -1;
95       cwd->name = xgetwd ();
96       if (cwd->name == NULL)
105 /* Change to recorded location, CWD, in directory hierarchy.
110 restore_cwd (cwd, dest)  in restore_cwd()  argument
111      const struct saved_cwd *cwd;  in restore_cwd()
115   if (cwd->desc >= 0)
117       if (fchdir (cwd->desc))
124   else if (_chdir2 (cwd->name) < 0)
126       error (0, errno, "%s", cwd->name);
133 free_cwd (cwd)  in free_cwd()  argument
134      struct saved_cwd *cwd;  in free_cwd()
136   if (cwd->desc >= 0)
137     close (cwd->desc);
138   if (cwd->name)
139     free (cwd->name);