/* much like chdir(2), but safer
- Copyright (C) 2005-2006, 2008-2009 Free Software Foundation, Inc.
+ Copyright (C) 2005-2006, 2008-2011 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
#endif
/* Like chdir, but fail if DIR is a symbolic link to a directory (or
- similar funny business), or if DIR is not readable. This avoids a
- minor race condition between when a directory is created or statted
- and when the process chdirs into it. */
+ similar funny business). This avoids a minor race condition
+ between when a directory is created or statted and when the process
+ chdirs into it.
+
+ On older systems lacking full support for O_SEARCH, this function
+ can also fail if DIR is not readable. */
int
chdir_no_follow (char const *dir)
{
int result = 0;
int saved_errno;
int fd = open (dir,
- O_RDONLY | O_DIRECTORY | O_NOCTTY | O_NOFOLLOW | O_NONBLOCK);
+ O_SEARCH | O_DIRECTORY | O_NOCTTY | O_NOFOLLOW | O_NONBLOCK);
if (fd < 0)
return -1;