diff --git a/tty.c b/tty.c index c4dfde1d..7be952c8 100644 --- a/tty.c +++ b/tty.c @@ -1648,14 +1648,19 @@ tty_try_256(struct tty *tty, u_char colour, const char *type) char s[32]; /* - * If the terminfo entry has 256 colours, assume that setaf and setab - * work correctly. + * If the terminfo entry has 256 colours and setaf and setab exist, + * assume that they work correctly. */ if (tty->term->flags & TERM_256COLOURS) { - if (*type == '3') + if (*type == '3') { + if (!tty_term_has(tty->term, TTYC_SETAF)) + goto fallback; tty_putcode1(tty, TTYC_SETAF, colour); - else + } else { + if (!tty_term_has(tty->term, TTYC_SETAB)) + goto fallback; tty_putcode1(tty, TTYC_SETAB, colour); + } return (0); } @@ -1663,13 +1668,15 @@ tty_try_256(struct tty *tty, u_char colour, const char *type) * If the user has specified -2 to the client, setaf and setab may not * work, so send the usual sequence. */ - if (tty->term_flags & TERM_256COLOURS) { - xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour); - tty_puts(tty, s); - return (0); - } + if (tty->term_flags & TERM_256COLOURS) + goto fallback; return (-1); + +fallback: + xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour); + tty_puts(tty, s); + return (0); } void