| /* Copyright (C) 1997, 1998, 2001, 2011 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sys/types.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <fcall.h> |
| |
| /* Truncate the file referenced by FD to LENGTH bytes. */ |
| int |
| __ftruncate64 (fd, length) |
| int fd; |
| off64_t length; |
| { |
| struct dir dir; |
| size_t mlen; |
| char mbuf[STATFIXLEN]; |
| int ret; |
| |
| if (fd < 0) |
| { |
| __set_errno (EINVAL); |
| return -1; |
| } |
| |
| init_empty_dir(&dir); |
| dir.length = length; |
| mlen = convD2M(&dir, mbuf, STATFIXLEN); |
| ret = ros_syscall(SYS_fwstat, fd, mbuf, mlen, WSTAT_LENGTH, 0, 0); |
| return (ret == mlen ? 0 : -1); |
| } |
| weak_alias (__ftruncate64, ftruncate64) |
