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- /*
- * 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 MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #if defined(LIBC_SCCS) && !defined(lint)
- static char sccsid[] = "@(#)login.c 5.1 (Berkeley) 9/27/88";
- #endif /* LIBC_SCCS and not lint */
-
- #include <sys/types.h>
- #include <sys/file.h>
- #include <utmp.h>
- #include <stdio.h>
-
- #define UTMPFILE "/etc/utmp"
- #define WTMPFILE "/usr/adm/wtmp"
-
- void
- login(ut)
- struct utmp *ut;
- {
- register int fd;
- int tty;
- off_t lseek();
-
- tty = ttyslot();
- if (tty > 0 && (fd = open(UTMPFILE, O_WRONLY, 0)) >= 0) {
- (void)lseek(fd, (long)(tty * sizeof(struct utmp)), L_SET);
- (void)write(fd, (char *)ut, sizeof(struct utmp));
- (void)close(fd);
- }
- if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) >= 0) {
- (void)write(fd, (char *)ut, sizeof(struct utmp));
- (void)close(fd);
- }
- }
-