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      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 2008 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include <stdio.h>
     30 #include <sys/systeminfo.h>
     31 #include <strings.h>
     32 #include <netdb.h>
     33 #include <stdarg.h>
     34 #include <sys/time.h>
     35 
     36 #define	FPS_MAX_MSGLEN  4096 /* Max msg length including last null */
     37 #define	FPS_TEST_NAME "fptest" /* Name of test app */
     38 #define	FPS_VER_TEST    "1.0" /* Test Version */
     39 
     40 void fps_msg(int msg_enable, const char *fmt, ...);
     41 static const char *msg_get_hostname();
     42 
     43 static const char *
     44 msg_get_hostname(void) {
     45 	static char hname[MAXHOSTNAMELEN+1];
     46 
     47 	if (hname[0] == 0)
     48 		(void) sysinfo(SI_HOSTNAME, hname, MAXHOSTNAMELEN);
     49 
     50 	return (hname);
     51 }
     52 
     53 void
     54 fps_msg(int msg_enable, const char *fmt, ...)
     55 {
     56 	char  msg_buf[FPS_MAX_MSGLEN];
     57 	char  *msg_ptr;
     58 	struct tm tms;
     59 	time_t ts;
     60 	va_list  ap;
     61 
     62 	va_start(ap, fmt);
     63 
     64 	if (!msg_enable) {
     65 		va_end(ap);
     66 		return;
     67 	}
     68 
     69 	if (NULL == fmt) {
     70 		va_end(ap);
     71 		return;
     72 	}
     73 
     74 	(void) time(&ts);
     75 	(void) localtime_r(&ts, &tms);
     76 
     77 	msg_buf[0] = 0;
     78 	(void) strftime(msg_buf, sizeof (msg_buf), "%x %X ", &tms);
     79 
     80 	msg_ptr = &msg_buf[strlen(msg_buf)];
     81 	(void) snprintf(msg_ptr, sizeof (msg_buf) - strlen(msg_buf) - 1,
     82 	    "%s %s(%s).%s: ",
     83 	    msg_get_hostname(),
     84 	    FPS_TEST_NAME, FPS_VER_TEST,
     85 	    "verbose");
     86 
     87 	msg_ptr = &msg_buf[strlen(msg_buf)];
     88 
     89 	(void) vsnprintf(msg_ptr,
     90 	    sizeof (msg_buf) - strlen(msg_buf) - 1, fmt, ap);
     91 	if (msg_buf[strlen(msg_buf)-1] != '\n')
     92 		(void) strcat(msg_buf, "\n");
     93 
     94 
     95 	(void) fputs(msg_buf, stdout);
     96 
     97 	va_end(ap);
     98 }
     99