I had hoped that non-xenl terminals had died out, at least in fairly

modern OSs, but no - DragonFly BSD's console returns to haunt us. Fix it
at least somewhat. GitHub issue 1763.

1 files changed, 11 insertions, 0 deletions

diff --git a/tty.c b/tty.c
index 34403a1f..05df4f0f 100644
--- a/tty.c
+++ b/tty.c
@@ -527,6 +527,12 @@ tty_putc(struct tty *tty, u_char ch)
 {
 	const char	*acs;
 
+	if ((tty->term->flags & TERM_EARLYWRAP) &&
+	    ch >= 0x20 && ch != 0x7f &&
+	    tty->cy == tty->sy - 1 &&
+	    tty->cx + 1 >= tty->sx)
+		return;
+
 	if (tty->cell.attr & GRID_ATTR_CHARSET) {
 		acs = tty_acs_get(tty, ch);
 		if (acs != NULL)
@@ -557,6 +563,11 @@ tty_putc(struct tty *tty, u_char ch)
 void
 tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
 {
+	if ((tty->term->flags & TERM_EARLYWRAP) &&
+	    tty->cy == tty->sy - 1 &&
+	    tty->cx + len >= tty->sx)
+		len = tty->sx - tty->cx - 1;
+
 	tty_add(tty, buf, len);
 	if (tty->cx + width > tty->sx) {
 		tty->cx = (tty->cx + width) - tty->sx;