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- /* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <stddef.h>
- #include <unistd.h>
- #include <hurd.h>
-
- /* Make a link to FROM called TO. */
- int
- DEFUN(__symlink, (from, to), CONST char *from AND CONST char *to)
- {
- error_t err;
- file_t node;
-
- node = __path_lookup (to, FS_LOOKUP_CREATE|FS_LOOKUP_WRITE|FS_LOOKUP_EXCL,
- 0777 & _hurd_umask);
- if (node == MACH_PORT_NULL)
- return -1;
-
- if (!err)
- {
- size_t to_write = strlen (from);
- while (to_write > 0)
- {
- size_t wrote;
- if (err = __io_write (node, from, to_write, -1, &wrote))
- break;
- to_write -= wrote;
- from += wrote;
- }
- }
-
- if (!err)
- err = __file_set_translator (node, FS_TRANS_EXCL, 0,
- _HURD_SYMLINK, MACH_PORT_NULL);
-
- /* XXX can leave half-finished file */
-
- __mach_port_deallocate (__mach_task_self (), node);
-
- if (err)
- return __hurd_fail (err);
- return 0;
- }
-