NetBSD/usr.bin/tip/log.c

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/* $NetBSD: log.c,v 1.8 1998/08/25 20:59:41 ross Exp $ */
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/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
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*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
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#ifndef lint
#if 0
static char sccsid[] = "@(#)log.c 8.1 (Berkeley) 6/6/93";
#endif
__RCSID("$NetBSD: log.c,v 1.8 1998/08/25 20:59:41 ross Exp $");
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#endif /* not lint */
#include "tip.h"
#ifdef ACULOG
static FILE *flog = NULL;
/*
* Log file maintenance routines
*/
void
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logent(group, num, acu, message)
char *group, *num, *acu, *message;
{
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const char *user;
char *timestamp;
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struct passwd *pwd;
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time_t t;
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if (flog == NULL)
return;
if (flock(fileno(flog), LOCK_EX) < 0) {
perror("tip: flock");
return;
}
if ((user = getlogin()) == NULL) {
if ((pwd = getpwuid(getuid())) == NULL)
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user = "???";
else
user = pwd->pw_name;
}
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t = time(0);
timestamp = ctime(&t);
timestamp[24] = '\0';
fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
user, timestamp, group,
#ifdef PRISTINE
"",
#else
num,
#endif
acu, message);
(void) fflush(flog);
(void) flock(fileno(flog), LOCK_UN);
}
void
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loginit()
{
char *logfile;
logfile = value(LOG);
if (logfile[0] == '\0') /* sanity check */
return;
flog = fopen(logfile, "a");
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if (flog == NULL)
fprintf(stderr, "can't open log file %s.\r\n", logfile);
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}
#endif