control.c, bug 374, prevent crash if cend[stackp] is NULL

reported by PyroPeter
2018-11-05 21:03:21 +01:00 · 2018-11-05 21:03:21 +01:00 · ebe4fd5332
parent 9289f0f773
commit ebe4fd5332
1 changed files with 1 additions and 1 deletions
--- a/src/frontend/control.c
+++ b/src/frontend/control.c
@ -639,7 +639,7 @@ cp_evloop(char *string)
    for (;;) {
        freewl = wlist = getcommand(string);
        if (wlist == NULL) {    /* End of file or end of user input. */
-            if (cend[stackp]->co_parent && !string) {
+            if (cend[stackp] && cend[stackp]->co_parent && !string) {
                cp_resetcontrol();
                continue;
            } else {