truncate.c revision 1.2 1 1.2 cgd /*
2 1.2 cgd * Copyright (c) 1992, 1993
3 1.2 cgd * The Regents of the University of California. All rights reserved.
4 1.2 cgd *
5 1.2 cgd * Redistribution and use in source and binary forms, with or without
6 1.2 cgd * modification, are permitted provided that the following conditions
7 1.2 cgd * are met:
8 1.2 cgd * 1. Redistributions of source code must retain the above copyright
9 1.2 cgd * notice, this list of conditions and the following disclaimer.
10 1.2 cgd * 2. Redistributions in binary form must reproduce the above copyright
11 1.2 cgd * notice, this list of conditions and the following disclaimer in the
12 1.2 cgd * documentation and/or other materials provided with the distribution.
13 1.2 cgd * 3. All advertising materials mentioning features or use of this software
14 1.2 cgd * must display the following acknowledgement:
15 1.2 cgd * This product includes software developed by the University of
16 1.2 cgd * California, Berkeley and its contributors.
17 1.2 cgd * 4. Neither the name of the University nor the names of its contributors
18 1.2 cgd * may be used to endorse or promote products derived from this software
19 1.2 cgd * without specific prior written permission.
20 1.2 cgd *
21 1.2 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 1.2 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 1.2 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 1.2 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 1.2 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 1.2 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 1.2 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 1.2 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 1.2 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 1.2 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 1.2 cgd * SUCH DAMAGE.
32 1.2 cgd */
33 1.2 cgd
34 1.2 cgd #if defined(LIBC_SCCS) && !defined(lint)
35 1.2 cgd /* from: static char sccsid[] = "@(#)truncate.c 8.1 (Berkeley) 6/17/93"; */
36 1.2 cgd static char *rcsid = "$Id: truncate.c,v 1.2 1994/05/06 01:02:59 cgd Exp $";
37 1.2 cgd #endif /* LIBC_SCCS and not lint */
38 1.1 cgd
39 1.1 cgd #include <sys/types.h>
40 1.1 cgd #include <sys/syscall.h>
41 1.1 cgd
42 1.2 cgd /*
43 1.2 cgd * This function provides 64-bit offset padding that
44 1.2 cgd * is not supplied by GCC 1.X but is supplied by GCC 2.X.
45 1.2 cgd */
46 1.1 cgd int
47 1.1 cgd truncate(path, length)
48 1.2 cgd char *path;
49 1.2 cgd off_t length;
50 1.1 cgd {
51 1.1 cgd
52 1.2 cgd return(__syscall((quad_t)SYS_truncate, path, 0, length));
53 1.1 cgd }
54