usr/src/lib/mpapi/libmpscsi_vhci/common/debug_logging.c

   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  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #include <stdio.h>
  27 #include <sys/varargs.h>
  28 #include <syslog.h>
  29 #include <time.h>
  30 #include <string.h>
  31 #include <errno.h>
  32
  33 #define MAX_LOG_LEN 2048
  34
  35
  36 void
  37 log(int priority, const char *routine, char *msg, ...)
  38 {
  39         char header[MAX_LOG_LEN+1];
  40         char message[MAX_LOG_LEN+1];
  41         int oldErrno = 0;
  42         va_list ap;
  43
  44
  45         oldErrno = errno;
  46
  47         (void) memset(&header,  0, MAX_LOG_LEN+1);
  48         (void) memset(&message, 0, MAX_LOG_LEN+1);
  49
  50         (void) va_start(ap, msg);
  51
  52         (void) snprintf(header, MAX_LOG_LEN, "%s: %s: %s",
  53         "MP-API (SUN) Plugin",
  54         routine,
  55         msg);
  56
  57         /* LINTED E_SEC_PRINTF_VAR_FMT */
  58         (void) vsnprintf(message, MAX_LOG_LEN, header, ap);
  59         /* LINTED E_SEC_PRINTF_VAR_FMT */
  60         (void) syslog(LOG_USER|LOG_DEBUG, message);
  61
  62         (void) va_end(ap);
  63
  64         errno = oldErrno;
  65
  66         oldErrno = priority;
  67 }