mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 06:50:07 +00:00
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* Copyright (C) 1991-2013 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <hurd.h>
|
|
|
|
/* Truncate FILE_NAME to LENGTH bytes. */
|
|
int
|
|
__truncate (file_name, length)
|
|
const char *file_name;
|
|
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_set_size (file, length);
|
|
__mach_port_deallocate (__mach_task_self (), file);
|
|
|
|
if (err)
|
|
return __hurd_fail (err);
|
|
return 0;
|
|
}
|
|
weak_alias (__truncate, truncate)
|