--- Libc/Libc-1725.40.4/util/logout.c
+++ Libc/Libc-391/util/logout.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2005, 2010 Apple Inc. All rights reserved.
+ * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -53,57 +53,39 @@
  * SUCH DAMAGE.
  */
 
+
 #include <sys/types.h>
 #include <sys/time.h>
 
-#ifdef UTMP_COMPAT
+#include <fcntl.h>
 #include <utmp.h>
-#endif /* UTMP_COMPAT */
-#include <utmpx.h>
-#include <utmpx-darwin.h>
 #include <unistd.h>
+#include <stdlib.h>
 #include <string.h>
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconstant-conversion"
+typedef struct utmp UTMP;
 
 int
-logout(char *line)
+logout(line)
+	register char *line;
 {
-	struct utmpx *ux, utx;
-#ifdef UTMP_COMPAT
-#ifdef __LP64__
-	struct utmp32 u;
-#else /* __LP64__ */
-	struct utmp u;
-#endif /* __LP64__ */
-	int which;
-#endif /* UTMP_COMPAT */
+	register int fd;
+	UTMP ut;
+	int rval;
 
-	struct _utmpx *def_utx = __default_utx();
-
-	bzero(&utx, sizeof(utx));
-	strncpy(utx.ut_line, line, sizeof(utx.ut_line));
-	utx.ut_type = UTMPX_AUTOFILL_MASK | UTMPX_DEAD_IF_CORRESPONDING_MASK | DEAD_PROCESS;
-	(void)gettimeofday(&utx.ut_tv, NULL);
-	UTMPX_LOCK(def_utx);
-	__setutxent(def_utx);
-	ux = __pututxline(def_utx, &utx);
-	__endutxent(def_utx);
-	if (!ux) {
-		UTMPX_UNLOCK(def_utx);
-		return 0;
+	if ((fd = open(_PATH_UTMP, O_RDWR, 0)) < 0)
+		return(0);
+	rval = 0;
+	while (read(fd, &ut, sizeof(UTMP)) == sizeof(UTMP)) {
+		if (!ut.ut_name[0] || strncmp(ut.ut_line, line, UT_LINESIZE))
+			continue;
+		bzero(ut.ut_name, UT_NAMESIZE);
+		bzero(ut.ut_host, UT_HOSTSIZE);
+		(void)time(&ut.ut_time);
+		(void)lseek(fd, -(off_t)sizeof(UTMP), L_INCR);
+		(void)write(fd, &ut, sizeof(UTMP));
+		rval = 1;
 	}
-#ifdef UTMP_COMPAT
-	if (__utx__.utfile_system) { /* only if we are using _PATH_UTMPX */
-		which = _utmp_compat(ux, &u);
-		if (which & UTMP_COMPAT_UTMP0)
-			_write_utmp(&u, 0);
-		else if (which & UTMP_COMPAT_UTMP1)
-			_write_utmp(&u, 1);
-	}
-#endif /* UTMP_COMPAT */
-	UTMPX_UNLOCK(def_utx);
-	return 1;
+	(void)close(fd);
+	return(rval);
 }
-#pragma clang diagnostic pop