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Add a TTY_OPENED flag and tidy a little.

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This commit is contained in:
Nicholas Marriott
2009-08-11 20:29:04 +00:00
parent ff65e37545
commit 4ec8ade11c
2 changed files with 18 additions and 17 deletions
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34
tty.c
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@ -80,8 +80,11 @@ tty_open(struct tty *tty, const char *overrides, char **cause)
tty->log_fd = -1;
tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
if (tty->term == NULL)
goto error;
if (tty->term == NULL) {
tty_close(tty);
return (-1);
}
tty->flags |= TTY_OPENED;
tty->in = buffer_create(BUFSIZ);
tty->out = buffer_create(BUFSIZ);
@ -95,12 +98,6 @@ tty_open(struct tty *tty, const char *overrides, char **cause)
tty_fill_acs(tty);
return (0);
error:
close(tty->fd);
tty->fd = -1;
return (-1);
}
void
@ -289,9 +286,6 @@ tty_get_acs(struct tty *tty, u_char ch)
void
tty_close(struct tty *tty)
{
if (tty->fd == -1)
return;
if (tty->log_fd != -1) {
close(tty->log_fd);
tty->log_fd = -1;
@ -299,14 +293,20 @@ tty_close(struct tty *tty)
tty_stop_tty(tty);
tty_term_free(tty->term);
tty_keys_free(tty);
if (tty->flags & TTY_OPENED) {
tty_term_free(tty->term);
tty_keys_free(tty);
close(tty->fd);
tty->fd = -1;
buffer_destroy(tty->in);
buffer_destroy(tty->out);
buffer_destroy(tty->in);
buffer_destroy(tty->out);
tty->flags &= ~TTY_OPENED;
}
if (tty->fd != -1) {
close(tty->fd);
tty->fd = -1;
}
}
void