xref: /titanic_50/usr/src/cmd/make/lib/vroot/truncate.cc (revision 10d63b7db37a83b39c7f511cf9426c9d03ea0760)
1*10d63b7dSRichard Lowe /*
2*10d63b7dSRichard Lowe  * CDDL HEADER START
3*10d63b7dSRichard Lowe  *
4*10d63b7dSRichard Lowe  * The contents of this file are subject to the terms of the
5*10d63b7dSRichard Lowe  * Common Development and Distribution License (the "License").
6*10d63b7dSRichard Lowe  * You may not use this file except in compliance with the License.
7*10d63b7dSRichard Lowe  *
8*10d63b7dSRichard Lowe  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*10d63b7dSRichard Lowe  * or http://www.opensolaris.org/os/licensing.
10*10d63b7dSRichard Lowe  * See the License for the specific language governing permissions
11*10d63b7dSRichard Lowe  * and limitations under the License.
12*10d63b7dSRichard Lowe  *
13*10d63b7dSRichard Lowe  * When distributing Covered Code, include this CDDL HEADER in each
14*10d63b7dSRichard Lowe  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*10d63b7dSRichard Lowe  * If applicable, add the following below this CDDL HEADER, with the
16*10d63b7dSRichard Lowe  * fields enclosed by brackets "[]" replaced with your own identifying
17*10d63b7dSRichard Lowe  * information: Portions Copyright [yyyy] [name of copyright owner]
18*10d63b7dSRichard Lowe  *
19*10d63b7dSRichard Lowe  * CDDL HEADER END
20*10d63b7dSRichard Lowe  */
21*10d63b7dSRichard Lowe /*
22*10d63b7dSRichard Lowe  * Copyright 1993 Sun Microsystems, Inc. All rights reserved.
23*10d63b7dSRichard Lowe  * Use is subject to license terms.
24*10d63b7dSRichard Lowe  */
25*10d63b7dSRichard Lowe 
26*10d63b7dSRichard Lowe 
27*10d63b7dSRichard Lowe #include <unistd.h>
28*10d63b7dSRichard Lowe 
29*10d63b7dSRichard Lowe extern int truncate(const char *path, off_t length);
30*10d63b7dSRichard Lowe 
31*10d63b7dSRichard Lowe #include <vroot/vroot.h>
32*10d63b7dSRichard Lowe #include <vroot/args.h>
33*10d63b7dSRichard Lowe 
truncate_thunk(char * path)34*10d63b7dSRichard Lowe static int	truncate_thunk(char *path)
35*10d63b7dSRichard Lowe {
36*10d63b7dSRichard Lowe 	vroot_result= truncate(path, vroot_args.truncate.length);
37*10d63b7dSRichard Lowe 	return(vroot_result == 0);
38*10d63b7dSRichard Lowe }
39*10d63b7dSRichard Lowe 
truncate_vroot(char * path,int length,pathpt vroot_path,pathpt vroot_vroot)40*10d63b7dSRichard Lowe int	truncate_vroot(char *path, int length, pathpt vroot_path, pathpt vroot_vroot)
41*10d63b7dSRichard Lowe {
42*10d63b7dSRichard Lowe 	vroot_args.truncate.length= length;
43*10d63b7dSRichard Lowe 	translate_with_thunk(path, truncate_thunk, vroot_path, vroot_vroot, rw_read);
44*10d63b7dSRichard Lowe 	return(vroot_result);
45*10d63b7dSRichard Lowe }
46