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Diffstat (limited to 'usr.bin/tmux/tty-features.c')
-rw-r--r--usr.bin/tmux/tty-features.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/usr.bin/tmux/tty-features.c b/usr.bin/tmux/tty-features.c
index 6fa18b22d8e..78ea81c9706 100644
--- a/usr.bin/tmux/tty-features.c
+++ b/usr.bin/tmux/tty-features.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tty-features.c,v 1.2 2020/04/20 13:38:48 nicm Exp $ */
+/* $OpenBSD: tty-features.c,v 1.3 2020/04/20 15:37:32 nicm Exp $ */
/*
* Copyright (c) 2020 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -232,7 +232,7 @@ tty_get_features(int feat)
return (s);
}
-void
+int
tty_apply_features(struct tty_term *term, int feat)
{
const struct tty_feature *tf;
@@ -240,7 +240,7 @@ tty_apply_features(struct tty_term *term, int feat)
u_int i;
if (feat == 0)
- return;
+ return (0);
log_debug("applying terminal features: %s", tty_get_features(feat));
for (i = 0; i < nitems(tty_features); i++) {
@@ -259,5 +259,8 @@ tty_apply_features(struct tty_term *term, int feat)
}
term->flags |= tf->flags;
}
+ if ((term->features | feat) == term->features)
+ return (0);
term->features |= feat;
+ return (1);
}