1*35743Sbostic /* 2*35743Sbostic * Copyright (c) 1988 The Regents of the University of California. 3*35743Sbostic * All rights reserved. 4*35743Sbostic * 5*35743Sbostic * Redistribution and use in source and binary forms are permitted 6*35743Sbostic * provided that the above copyright notice and this paragraph are 7*35743Sbostic * duplicated in all such forms and that any documentation, 8*35743Sbostic * advertising materials, and other materials related to such 9*35743Sbostic * distribution and use acknowledge that the software was developed 10*35743Sbostic * by the University of California, Berkeley. The name of the 11*35743Sbostic * University may not be used to endorse or promote products derived 12*35743Sbostic * from this software without specific prior written permission. 13*35743Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14*35743Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15*35743Sbostic * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16*35743Sbostic */ 17*35743Sbostic 18*35743Sbostic #if defined(LIBC_SCCS) && !defined(lint) 19*35743Sbostic static char sccsid[] = "@(#)login.c 5.1 (Berkeley) 09/27/88"; 20*35743Sbostic #endif /* LIBC_SCCS and not lint */ 21*35743Sbostic 22*35743Sbostic #include <sys/types.h> 23*35743Sbostic #include <sys/file.h> 24*35743Sbostic #include <utmp.h> 25*35743Sbostic #include <stdio.h> 26*35743Sbostic 27*35743Sbostic #define UTMPFILE "/etc/utmp" 28*35743Sbostic #define WTMPFILE "/usr/adm/wtmp" 29*35743Sbostic 30*35743Sbostic void 31*35743Sbostic login(ut) 32*35743Sbostic struct utmp *ut; 33*35743Sbostic { 34*35743Sbostic register int fd; 35*35743Sbostic int tty; 36*35743Sbostic off_t lseek(); 37*35743Sbostic 38*35743Sbostic tty = ttyslot(); 39*35743Sbostic if (tty > 0 && (fd = open(UTMPFILE, O_WRONLY, 0)) >= 0) { 40*35743Sbostic (void)lseek(fd, (long)(tty * sizeof(struct utmp)), L_SET); 41*35743Sbostic (void)write(fd, (char *)ut, sizeof(struct utmp)); 42*35743Sbostic (void)close(fd); 43*35743Sbostic } 44*35743Sbostic if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) >= 0) { 45*35743Sbostic (void)write(fd, (char *)ut, sizeof(struct utmp)); 46*35743Sbostic (void)close(fd); 47*35743Sbostic } 48*35743Sbostic } 49