1 files changed, 88 insertions, 0 deletions
diff --git a/misc/screen/patches/patch-am b/misc/screen/patches/patch-am
new file mode 100644
index 00000000000..1d4842772ad
--- /dev/null
+++ b/misc/screen/patches/patch-am
@@ -0,0 +1,88 @@
+$NetBSD: patch-am,v 1.1 2002/09/15 06:51:39 kim Exp $
+
+Code to handle the login slot in utmp when utmpx is available.
+Daemons shipped with NetBSD tend to write to both, while 3rd
+party software might write to only one.
+
+--- /dev/null	Sun Sep 15 02:36:51 2002
++++ utmp-netbsd.c	Sun Sep 15 02:38:27 2002
+@@ -0,0 +1,79 @@
++#include <sys/param.h>
++#if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 106050000)
++
++#include <sys/types.h>
++#include <sys/time.h>
++#include <sys/wait.h>
++
++#include <errno.h>
++#include <fcntl.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include <time.h>
++#include <ttyent.h>
++#include <unistd.h>
++#include <util.h>
++#include <utmp.h>
++
++static struct utmp saved_utmp;
++static int saved_utmp_ok = 0;
++
++int
++lineslot(line)
++char *line;
++{
++	int slot;
++	struct ttyent *ttyp;
++
++	setttyent();
++	for (slot = 1; (ttyp = getttyent()) != NULL; ++slot)
++		if (!strcmp(ttyp->ty_name, line)) {
++			endttyent();
++			return(slot);
++		}
++	endttyent();
++	return(0);
++}
++
++void
++utmp_login(line)
++char *line;
++{
++	int fd;
++	int tty;
++
++	if (!saved_utmp_ok)
++		return;
++
++	tty = lineslot(line);
++	if (tty > 0 && (fd = open(_PATH_UTMP, O_WRONLY|O_CREAT, 0644)) >= 0) {
++		(void)lseek(fd, (off_t)(tty * sizeof(struct utmp)), SEEK_SET);
++		(void)write(fd, &saved_utmp, sizeof(struct utmp));
++		(void)close(fd);
++	}
++}
++
++void
++utmp_logout(const char *line)
++{
++	int fd;
++	struct utmp ut;
++
++	if ((fd = open(_PATH_UTMP, O_RDWR, 0)) < 0)
++		return;
++	while (read(fd, &ut, sizeof(ut)) == sizeof(ut)) {
++		if (!ut.ut_name[0] || strncmp(ut.ut_line, line, UT_LINESIZE))
++			continue;
++		memcpy(&saved_utmp, &ut, sizeof(ut));
++		saved_utmp_ok = 1;
++		memset(ut.ut_name, 0, UT_NAMESIZE);
++		memset(ut.ut_host, 0, UT_HOSTSIZE);
++		(void)time(&ut.ut_time);
++		(void)lseek(fd, -(off_t)sizeof(ut), SEEK_CUR);
++		(void)write(fd, &ut, sizeof(ut));
++	}
++	(void)close(fd);
++}
++
++#endif