file_t
__file_name_split_at (int fd, const char *file_name, char **name)
{
error_t err;
file_t result;
if (fd == AT_FDCWD || file_name[0] == '/')
return __file_name_split (file_name, name);
err = __hurd_file_name_split (&_hurd_ports_use, &__getdport, 0,
file_name, &result, name);
file_t startdir;
error_t use_init_port (int which, error_t (*operate) (mach_port_t))
{
return (which == INIT_PORT_CWDIR ? (*operate) (startdir) :
_hurd_ports_use (which, operate));
}
err = HURD_DPORT_USE (fd, (startdir = port,
__hurd_file_name_split (&use_init_port,
&__getdport, 0,
file_name,
&result, name)));
return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
}
file_t
__file_name_lookup_at (int fd, int at_flags,
const char *file_name, int flags, mode_t mode)
{
error_t err;
file_t result;
int empty = at_flags & AT_EMPTY_PATH;
at_flags &= ~AT_EMPTY_PATH;
err = __hurd_at_flags (&at_flags, &flags);
if (err)
return (__hurd_fail (err), MACH_PORT_NULL);
if (fd == AT_FDCWD || file_name[0] == '/')
return __file_name_lookup (file_name, flags, mode);
if (empty != 0 && file_name[0] == '\0')
{
enum retry_type doretry;
char retryname[1024]; /* XXX string_t LOSES! */
err = HURD_DPORT_USE (fd, __dir_lookup (port, "", flags, mode,
&doretry, retryname,
&result));
if (! err)
err = __hurd_file_name_lookup_retry (&_hurd_ports_use, &__getdport,
NULL, doretry, retryname,
flags, mode, &result);
return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
}
file_t startdir;
error_t use_init_port (int which, error_t (*operate) (mach_port_t))
{
return (which == INIT_PORT_CWDIR ? (*operate) (startdir) :
_hurd_ports_use (which, operate));
}
err = HURD_DPORT_USE (fd, (startdir = port,
__hurd_file_name_lookup (&use_init_port,
&__getdport, NULL,
file_name,
flags,
mode & ~_hurd_umask,
&result)));
return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
}
file_t
__file_name_lookup_at (int fd, int at_flags,
const char *file_name, int flags, mode_t mode)
{
error_t err;
file_t result;
if ((at_flags & AT_SYMLINK_FOLLOW) && (at_flags & AT_SYMLINK_NOFOLLOW))
return (__hurd_fail (EINVAL), MACH_PORT_NULL);
flags |= (at_flags & AT_SYMLINK_NOFOLLOW) ? O_NOLINK : 0;
at_flags &= ~AT_SYMLINK_NOFOLLOW;
if (at_flags & AT_SYMLINK_FOLLOW)
flags &= ~O_NOLINK;
at_flags &= ~AT_SYMLINK_FOLLOW;
if (at_flags != 0)
return (__hurd_fail (EINVAL), MACH_PORT_NULL);
if (fd == AT_FDCWD || file_name[0] == '/')
return __file_name_lookup (file_name, flags, mode);
file_t startdir;
error_t use_init_port (int which, error_t (*operate) (mach_port_t))
{
return (which == INIT_PORT_CWDIR ? (*operate) (startdir) :
_hurd_ports_use (which, operate));
}
err = HURD_DPORT_USE (fd, (startdir = port,
__hurd_file_name_lookup (&use_init_port,
&__getdport, NULL,
file_name,
flags,
mode & ~_hurd_umask,
&result)));
return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
}
