if (*t_con->line && (prev_line == NULL ||
strcmp(t_con->line, prev_line))) {
/* if the history slot is already taken, free it */
- if (t_con->history[t_con->next_history])
- free(t_con->history[t_con->next_history]);
+ free(t_con->history[t_con->next_history]);
/* add line to history */
t_con->history[t_con->next_history] = strdup(t_con->line);
t_con->current_history =
t_con->next_history;
- if (t_con->history[t_con->current_history])
- free(t_con->history[t_con->current_history]);
+ free(t_con->history[t_con->current_history]);
t_con->history[t_con->current_history] = strdup("");
}
telnet_move_cursor(connection, 0);
else if (*buf_p == CTRL('E'))
telnet_move_cursor(connection, t_con->line_size);
- else
+ else if (*buf_p == CTRL('K')) { /* kill line to end */
+ if (t_con->line_cursor < t_con->line_size) {
+ /* overwrite with space, until end of line, move back */
+ for (size_t i = t_con->line_cursor; i < t_con->line_size; i++)
+ telnet_write(connection, " ", 1);
+ for (size_t i = t_con->line_cursor; i < t_con->line_size; i++)
+ telnet_write(connection, "\b", 1);
+ t_con->line[t_con->line_cursor] = '\0';
+ t_con->line_size = t_con->line_cursor;
+ }
+ } else
LOG_DEBUG("unhandled nonprintable: %2.2x", *buf_p);
}
}
log_remove_callback(telnet_log_callback, connection);
- if (t_con->prompt) {
- free(t_con->prompt);
- t_con->prompt = NULL;
- }
+ free(t_con->prompt);
+ t_con->prompt = NULL;
/* save telnet history */
telnet_save_history(t_con);
for (i = 0; i < TELNET_LINE_HISTORY_SIZE; i++) {
- if (t_con->history[i]) {
- free(t_con->history[i]);
- t_con->history[i] = NULL;
- }
+ free(t_con->history[i]);
+ t_con->history[i] = NULL;
}
/* if this connection registered a debug-message receiver delete it */
delete_debug_msg_receiver(connection->cmd_ctx, NULL);
- if (connection->priv) {
- free(connection->priv);
- connection->priv = NULL;
- } else
- LOG_ERROR("BUG: connection->priv == NULL");
+ free(connection->priv);
+ connection->priv = NULL;
return ERROR_OK;
}