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If the terminal has colors=256, only try to use setaf/setab if they

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exist, reported by Filipe Brandenburger.
This commit is contained in:
nicm 2015-09-25 23:30:12 +00:00
parent 28f23f18e9
commit 03d7dba5d8
1 changed files with 16 additions and 9 deletions
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25
tty.c
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@ -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