1 /* 2 * Copyright (c) 1988 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #if defined(LIBC_SCCS) && !defined(lint) 19 static char sccsid[] = "@(#)login.c 5.3 (Berkeley) 03/29/90"; 20 #endif /* LIBC_SCCS and not lint */ 21 22 #include <sys/types.h> 23 #include <sys/file.h> 24 #include <utmp.h> 25 #include <stdio.h> 26 27 void 28 login(ut) 29 struct utmp *ut; 30 { 31 register int fd; 32 int tty; 33 off_t lseek(); 34 35 tty = ttyslot(); 36 if (tty > 0 && (fd = open(_PATH_UTMP, O_WRONLY|O_CREAT, 0644)) >= 0) { 37 (void)lseek(fd, (long)(tty * sizeof(struct utmp)), L_SET); 38 (void)write(fd, (char *)ut, sizeof(struct utmp)); 39 (void)close(fd); 40 } 41 if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) >= 0) { 42 (void)write(fd, (char *)ut, sizeof(struct utmp)); 43 (void)close(fd); 44 } 45 } 46