1 /* Lookup helper function for Hurd implementation of *at functions.
2 Copyright (C) 2006 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include <hurd/lookup.h>
27 __file_name_lookup_at (int fd, int at_flags,
28 const char *file_name, int flags, mode_t mode)
33 flags |= (at_flags & AT_SYMLINK_NOFOLLOW) ? O_NOLINK : 0;
34 at_flags &= ~AT_SYMLINK_NOFOLLOW;
36 return __hurd_fail (EINVAL);
38 if (fd == AT_FDCWD || file_name[0] == '/')
39 return __file_name_lookup (file_name, flags, mode);
42 error_t use_init_port (int which, error_t (*operate) (mach_port_t))
44 return (which == INIT_PORT_CWDIR ? (*operate) (startdir) :
45 _hurd_ports_use (which, operate));
48 err = HURD_DPORT_USE (fd, (startdir = port,
49 __hurd_file_name_lookup (&use_init_port,
56 return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
60 __file_name_split_at (int fd, const char *file_name, char **name)
65 if (fd == AT_FDCWD || file_name[0] == '/')
66 return __file_name_split (file_name, name);
68 err = __hurd_file_name_split (&_hurd_ports_use, &__getdport, 0,
69 file_name, &result, name);
72 error_t use_init_port (int which, error_t (*operate) (mach_port_t))
74 return (which == INIT_PORT_CWDIR ? (*operate) (startdir) :
75 _hurd_ports_use (which, operate));
78 err = HURD_DPORT_USE (fd, (startdir = port,
79 __hurd_file_name_split (&use_init_port,
84 return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
88 __directory_name_split_at (int fd, const char *directory_name, char **name)
93 if (fd == AT_FDCWD || directory_name[0] == '/')
94 return __directory_name_split (directory_name, name);
97 error_t use_init_port (int which, error_t (*operate) (mach_port_t))
99 return (which == INIT_PORT_CWDIR ? (*operate) (startdir) :
100 _hurd_ports_use (which, operate));
103 err = HURD_DPORT_USE (fd, (startdir = port,
104 __hurd_directory_name_split (&use_init_port,
109 return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;