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- /* Copyright (C) 1991, 1992, 1993, 1994 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 <sys/types.h>
- #include <errno.h>
- #include <hurd.h>
- #include <fcntl.h>
-
- /* Truncate FILE_NAME to LENGTH bytes. */
- int
- DEFUN(truncate, (file_name, length),
- CONST char *file_name AND off_t length)
- {
- error_t err;
- file_t file = __file_name_lookup (file_name, O_WRITE, 0);
-
- if (file == MACH_PORT_NULL)
- return -1;
-
- err = __file_truncate (file, length);
- __mach_port_deallocate (__mach_task_self (), file);
-
- if (err)
- return __hurd_fail (err);
- return 0;
- }
-