/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <stdarg.h>
#include <strings.h>
#include <errno.h>
#include "extern.h"
#include "misc.h"
#include "msgs.h"
#include <sac.h>
#include "structs.h"
static FILE *Lfp; /* log file */
#ifdef DEBUG
static FILE *Dfp; /* debug file */
#endif
/*
* cons_printf - emit a message to the system console
*/
/*PRINTFLIKE1*/
static void
cons_printf(const char *fmt, ...)
{
char buf[MAXPATHLEN * 2]; /* enough space for msg including a path */
int fd;
va_list ap;
va_start(ap, fmt);
(void) vsnprintf(buf, sizeof (buf), fmt, ap);
va_end(ap);
if ((fd = open("/dev/console", O_WRONLY|O_NOCTTY)) != -1)
(void) write(fd, buf, strlen(buf) + 1);
(void) close(fd);
}
/*
* openlog - open log file, sets global file pointer Lfp
*/
void
openlog()
{
if ((Lfp = fopen(LOGFILE, "a+")) == NULL) {
cons_printf("SAC: could not open logfile %s: %s\n",
LOGFILE, strerror(errno));
exit(1);
}
/*
* lock logfile to indicate presence
*/
if (lockf(fileno(Lfp), F_LOCK, 0) < 0) {
cons_printf("SAC: could not lock logfile %s:%s\n",
LOGFILE, strerror(errno));
exit(1);
}
}
/*
* log - put a message into the log file
*
* args: msg - message to be logged
*/
void
log(char *msg)
{
char *timestamp; /* current time in readable form */
time_t clock; /* current time in seconds */
char buf[SIZE]; /* scratch buffer */
(void) time(&clock);
timestamp = ctime(&clock);
*(strchr(timestamp, '\n')) = '\0';
(void) snprintf(buf, sizeof (buf), "%s; %ld; %s\n",
timestamp, getpid(), msg);
(void) fprintf(Lfp, buf);
(void) fflush(Lfp);
}
/*
* error - put an error message into the log file and exit if indicated
*
* args: msgid - id of message to be output
* action - action to be taken (EXIT or not)
*/
void
error(int msgid, int action)
{
if (msgid < 0 || msgid > N_msgs)
return;
log(Msgs[msgid].e_str);
if (action == EXIT) {
log("*** SAC exiting ***");
exit(Msgs[msgid].e_exitcode);
}
}
#ifdef DEBUG
/*
* opendebug - open debugging file, sets global file pointer Dfp
*/
void
opendebug()
{
FILE *fp; /* scratch file pointer for problems */
if ((Dfp = fopen(DBGFILE, "a+")) == NULL) {
cons_printf("SAC: could not open debugfile %s: %s\n",
DBGFILE, strerror(errno));
exit(1);
}
}
/*
* debug - put a message into debug file
*
* args: msg - message to be output
*/
void
debug(char *msg)
{
char *timestamp; /* current time in readable form */
time_t clock; /* current time in seconds */
char buf[SIZE]; /* scratch buffer */
(void) time(&clock);
timestamp = ctime(&clock);
*(strchr(timestamp, '\n')) = '\0';
(void) sprintf(buf, "%s; %ld; %s\n", timestamp, getpid(), msg);
(void) fprintf(Dfp, buf);
(void) fflush(Dfp);
}
#endif /* DEBUG */