/* makepath.c -- Ensure that a directory path exists.
- Copyright (C) 1990, 1997, 1998, 1999, 2000, 2002, 2003, 2004 Free
- Software Foundation, Inc.
+ Copyright (C) 1990, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
/* If we've saved the cwd and DIRPATH is an absolute pathname,
we must chdir to `/' in order to enable the chdir optimization.
So if chdir ("/") fails, turn off the optimization. */
- if (do_chdir && *dirpath == '/' && chdir ("/") < 0)
- do_chdir = false;
+ if (do_chdir && dirpath[0] == '/')
+ {
+ /* POSIX says "//" might be special, so chdir to "//" if the
+ file name starts with exactly two slashes. */
+ char const *root = "//" + (dirpath[1] != '/' || dirpath[2] == '/');
+ if (chdir (root) != 0)
+ do_chdir = false;
+ }
slash = dirpath;