projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 28f540f4 RM |
1 | /* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. | |
| 3 | ||
| 4 | The GNU C Library is free software; you can redistribute it and/or | |
| 5 | modify it under the terms of the GNU Library General Public License as | |
| 6 | published by the Free Software Foundation; either version 2 of the | |
| 7 | License, or (at your option) any later version. | |
| 8 | ||
| 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 | |
| 12 | Library General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU Library General Public | |
| 15 | License along with the GNU C Library; see the file COPYING.LIB. If | |
| 16 | not, write to the Free Software Foundation, Inc., 675 Mass Ave, | |
| 17 | Cambridge, MA 02139, USA. */ | |
| 18 | ||
| 19 | #include <ansidecl.h> | |
| 20 | #include <errno.h> | |
| 21 | #include <stddef.h> | |
| 22 | #include <unistd.h> | |
| 23 | #include <hurd.h> | |
| 24 | ||
| 25 | /* Make a link to FROM called TO. */ | |
| 26 | int | |
| 27 | DEFUN(__link, (from, to), CONST char *from AND CONST char *to) | |
| 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 | { | |
| 48 | err = __dir_link (linknode, todir, toname); | |
| 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) |