OpenSolaris_b135/cmd/tip/log.c

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include "tip.h"

static	FILE *flog = NULL;

/*
 * Log file maintenance routines
 */
void
logent(char *group, char *num, char *acu, char *message)
{
	char *user, *timestamp;
	struct passwd *pwd;
	time_t t;

	if (flog == NULL)
		return;
#ifndef USG
	if (flock(fileno(flog), LOCK_EX) < 0) {
		perror("tip: flock");
		return;
	}
#endif
	if ((user = getlogin()) == NOSTR)
		if ((pwd = getpwuid(uid)) == NOPWD)
			user = "???";
		else
			user = pwd->pw_name;
	t = time(0);
	timestamp = ctime(&t);
	timestamp[24] = '\0';
	(void) fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
	    user, timestamp, group,
#ifdef PRISTINE
	    "",
#else
	    num,
#endif
	    acu, message);
	(void) fflush(flog);
#ifndef USG
	(void) flock(fileno(flog), LOCK_UN);
#endif
}

void
loginit(void)
{

#ifdef ACULOG
	flog = fopen(value(LOG), "a");
	if (flog == NULL)
		(void) fprintf(stderr, "tip: can't open log file %s\r\n",
		    value(LOG));
#endif
}