diff -up tmux-1.2/tty.c.writehard tmux-1.2/tty.c

--- tmux-1.2/tty.c.writehard	2010-03-08 15:53:49.000000000 +0100

+++ tmux-1.2/tty.c	2010-03-28 12:01:49.335023195 +0200

@@ -300,7 +300,8 @@ tty_free(struct tty *tty)

 void

 tty_raw(struct tty *tty, const char *s)

 {

-	write(tty->fd, s, strlen(s));

+	if (write(tty->fd, s, strlen(s)) == -1)

+		fatal("write failed");

 }

 void

@@ -333,7 +334,8 @@ tty_puts(struct tty *tty, const char *s)

 	bufferevent_write(tty->event, s, strlen(s));

 	if (tty->log_fd != -1)

-		write(tty->log_fd, s, strlen(s));

+		if(write(tty->log_fd, s, strlen(s)) == -1)

+			fatal("write failed");

 }

 void

@@ -359,7 +361,8 @@ tty_putc(struct tty *tty, u_char ch)

 	}

 	if (tty->log_fd != -1)

-		write(tty->log_fd, &ch, 1);

+		if (write(tty->log_fd, &ch, 1) == -1)

+			fatal("write failed");

 }

 void

@@ -370,7 +373,8 @@ tty_pututf8(struct tty *tty, const struc

 	size = grid_utf8_size(gu);

 	bufferevent_write(tty->event, gu->data, size);

 	if (tty->log_fd != -1)

-		write(tty->log_fd, gu->data, size);

+		if(write(tty->log_fd, gu->data, size) == -1)

+			fatal("write failed");

 	tty->cx += gu->width;

 }

diff -up tmux-1.2/window.c.writehard tmux-1.2/window.c

--- tmux-1.2/window.c.writehard	2010-02-08 19:10:07.000000000 +0100

+++ tmux-1.2/window.c	2010-03-28 12:03:07.316900726 +0200

@@ -518,7 +518,9 @@ window_pane_spawn(struct window_pane *wp

 		return (-1);

 	case 0:

 		if (chdir(wp->cwd) != 0)

-			chdir("/");

+			if (chdir("/") <0)

+				fatal("chdir failed");

+

 		if (tcgetattr(STDIN_FILENO, &tio2) != 0)

 			fatal("tcgetattr failed");