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- #ifndef lint
- #ifndef NOID
- static char elsieid[] = "@(#)logwtmp.c 7.7";
- /* 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 */
-