projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d4697bc9 | 1 | /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
| ebbad4cc | 2 | This file is part of the GNU C Library. |
| 28f540f4 | 3 | |
| ebbad4cc | 4 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either | |
| 7 | version 2.1 of the License, or (at your option) any later version. | |
| 28f540f4 | 8 | |
| ebbad4cc UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| 28f540f4 | 13 | |
| 41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| 28f540f4 | 17 | |
| 28f540f4 RM |
18 | #include <errno.h> |
| 19 | #include <stddef.h> | |
| 20 | #include <unistd.h> | |
| 21 | #include <hurd.h> | |
| 22 | ||
| 23 | /* Make a link to FROM called TO. */ | |
| 24 | int | |
| ebbad4cc UD |
25 | __link (from, to) |
| 26 | const char *from; | |
| 27 | const char *to; | |
| 28f540f4 RM |
28 | { |
| 29 | error_t err; | |
| 30 | file_t oldfile, linknode, todir; | |
| 31 | char *toname; | |
| 32 | ||
| 33 | oldfile = __file_name_lookup (from, 0, 0); | |
| 34 | if (oldfile == MACH_PORT_NULL) | |
| 35 | return -1; | |
| 36 | ||
| 37 | /* The file_getlinknode RPC returns the port that should be passed to | |
| 38 | the receiving filesystem (the one containing TODIR) in dir_link. */ | |
| 39 | ||
| 40 | err = __file_getlinknode (oldfile, &linknode); | |
| 41 | __mach_port_deallocate (__mach_task_self (), oldfile); | |
| 42 | if (err) | |
| 43 | return __hurd_fail (err); | |
| 44 | ||
| 45 | todir = __file_name_split (to, &toname); | |
| 46 | if (todir != MACH_PORT_NULL) | |
| 47 | { | |
| 0e3426bb | 48 | err = __dir_link (todir, linknode, toname, 1); |
| 28f540f4 RM |
49 | __mach_port_deallocate (__mach_task_self (), todir); |
| 50 | } | |
| 51 | __mach_port_deallocate (__mach_task_self (), linknode); | |
| 52 | if (todir == MACH_PORT_NULL) | |
| 53 | return -1; | |
| 54 | ||
| 55 | if (err) | |
| 56 | return __hurd_fail (err); | |
| 57 | return 0; | |
| 58 | } | |
| 59 | ||
| 60 | weak_alias (__link, link) |