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logwtmp.c goes

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SCCS-file: logwtmp.c
SCCS-SID: 8.2
This commit is contained in:
Arthur David Olson
2012-07-18 03:03:05 -04:00
committed by Paul Eggert
parent 8d6eadc36b
commit 43a6871338
1 changed files with 0 additions and 71 deletions
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logwtmp.c
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#ifndef lint
#ifndef NOID
static char elsieid[] = "%W%";
/* As received from UCB, with include reordering and OLD_TIME condition. */
#endif /* !defined NOID */
#endif /* !defined lint */
/*
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANT[A]BILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
#ifdef LIBC_SCCS
static char sccsid[] = "@(#)logwtmp.c 5.2 (Berkeley) 9/20/88";
#endif /* defined LIBC_SCCS */
#endif /* !defined lint */
#include <sys/types.h>
#include <utmp.h>
#ifdef OLD_TIME
char dummy_to_keep_linker_happy;
#endif /* defined OLD_TIME */
#ifndef OLD_TIME
#include <sys/file.h>
#include <sys/time.h>
#include <sys/stat.h>
#define WTMPFILE "/usr/adm/wtmp"
logwtmp(line, name, host)
char *line, *name, *host;
{
struct utmp ut;
struct stat buf;
int fd;
time_t time();
char *strncpy();
if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0)
return;
if (!fstat(fd, &buf)) {
(void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
(void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
(void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
(void)time(&ut.ut_time);
if (write(fd, (char *)&ut, sizeof(struct utmp)) !=
sizeof(struct utmp))
(void)ftruncate(fd, buf.st_size);
}
(void)close(fd);
}
#endif /* !defined OLD_TIME */