/* * 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: (1) source distributions retain this entire copyright * notice and comment, and (2) distributions including binaries display * the following acknowledgement: ``This product includes software * developed by the University of California, Berkeley and its contributors'' * in the documentation or other materials provided with the distribution * and in all advertising materials mentioning features or use of this * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)login.c 5.4 (Berkeley) 6/1/90"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> #include <sys/file.h> #include <utmp.h> #include <stdio.h> void login(ut) struct utmp *ut; { register int fd; int tty; off_t lseek(); tty = ttyslot(); if (tty > 0 && (fd = open(_PATH_UTMP, O_WRONLY|O_CREAT, 0644)) >= 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(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) >= 0) { (void)write(fd, (char *)ut, sizeof(struct utmp)); (void)close(fd); } }