xref: /titanic_41/usr/src/lib/sun_sas/common/log.c (revision e5816e352629470f540696fb7aa56c52d6719e67)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <stdio.h>
28 #include <sys/types.h>
29 #include <sys/varargs.h>
30 #include <errno.h>
31 #include <string.h>
32 
33 #include <sun_sas.h>
34 
35 #define	MAX_LOG_LEN 2048
36 
37 void
38 log(
39 	int level,
40 	const char *routine,
41 	char *msg,
42 	...
43 )
44 {
45 	char header[MAX_LOG_LEN+1];
46 	char message[MAX_LOG_LEN+1];
47 	int oldErrno = 0;
48 	va_list ap;
49 
50 	oldErrno = errno;
51 
52 	(void) memset(&header,  0, MAX_LOG_LEN+1);
53 	(void) memset(&message, 0, MAX_LOG_LEN+1);
54 
55 	va_start(ap, msg);
56 	(void) snprintf(header, MAX_LOG_LEN, "%s: %s: %s",
57 	    "SM-HBA Sun SAS VSL", routine, msg);
58 
59 	/* LINTED E_SEC_PRINTF_VAR_FMT */
60 	(void) vsnprintf(message, MAX_LOG_LEN, header, ap);
61 
62 	/* LINTED E_SEC_PRINTF_VAR_FMT */
63 	syslog(level, message);
64 
65 	va_end(ap);
66 
67 	errno = oldErrno;
68 }
69