1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  * Copyright (c) 2015, Joyent, Inc.
26  */
27 
28 /*
29  * libctf open/close interposition layer
30  *
31  * The mdb flavor of the interposition layer serves only to make ctf_bufopen
32  * calls easier.  The kmdb flavor (the real reason for the layer) has more
33  * intelligence behind mdb_ctf_open() than does this one.
34  */
35 
36 #include <mdb/mdb_ctf.h>
37 #include <libctf.h>
38 #include <sys/types.h>
39 #include <sys/stat.h>
40 #include <fcntl.h>
41 #include <errno.h>
42 #include <unistd.h>
43 
44 ctf_file_t *
mdb_ctf_open(const char * filename,int * errp)45 mdb_ctf_open(const char *filename, int *errp)
46 {
47 	return (ctf_open(filename, errp));
48 }
49 
50 void
mdb_ctf_close(ctf_file_t * fp)51 mdb_ctf_close(ctf_file_t *fp)
52 {
53 	ctf_close(fp);
54 }
55 
56 int
mdb_ctf_write(const char * filename,ctf_file_t * fp)57 mdb_ctf_write(const char *filename, ctf_file_t *fp)
58 {
59 	int fd, ret;
60 
61 	if ((fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, 0644)) < 0)
62 		return (errno);
63 
64 	if (ctf_write(fp, fd) == CTF_ERR) {
65 		(void) close(fd);
66 		return (CTF_ERR);
67 	}
68 
69 	ret = close(fd);
70 	if (ret != 0)
71 		ret = errno;
72 	return (ret);
73 }
74