From 474fdebb7abf08aecbcf00a92b7d53cd9528649c Mon Sep 17 00:00:00 2001 From: Nicholas Marriott <nicm@openbsd.org> Date: Tue, 7 Jul 2009 17:24:32 +0000 Subject: [PATCH] Handle empty or unset TERM correctly; also fix a fatal() message while here. --- server-msg.c | 4 +++- tty.c | 4 ++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/server-msg.c b/server-msg.c index c52fe800..9f33fad3 100644 --- a/server-msg.c +++ b/server-msg.c @@ -211,7 +211,9 @@ server_msg_fn_identify(struct hdr *hdr, struct client *c) c->tty.term_flags |= TERM_88COLOURS; if (data.flags & IDENTIFY_HASDEFAULTS) c->tty.term_flags |= TERM_HASDEFAULTS; - xfree(term); + + if (term != NULL) + xfree(term); c->flags |= CLIENT_TERMINAL; diff --git a/tty.c b/tty.c index 75986ef0..1ce8b226 100644 --- a/tty.c +++ b/tty.c @@ -76,7 +76,7 @@ void tty_init(struct tty *tty, char *path, char *term) { tty->path = xstrdup(path); - if (term == NULL) + if (term == NULL || *term == '\0') tty->termname = xstrdup("unknown"); else tty->termname = xstrdup(term); @@ -98,7 +98,7 @@ tty_open(struct tty *tty, char **cause) if ((mode = fcntl(tty->fd, F_GETFL)) == -1) fatal("fcntl failed"); if (fcntl(tty->fd, F_SETFL, mode|O_NONBLOCK) == -1) - fatal("fcntl failedo"); + fatal("fcntl failed"); if (fcntl(tty->fd, F_SETFD, FD_CLOEXEC) == -1) fatal("fcntl failed");