From 44b8498d6325cafdcb465bc0eb1305aa3ffc2d53 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Fri, 13 Nov 2020 22:14:33 +0100
Subject: [PATCH] prevent a crash when e,g,f,h sources do not have enough
 paramaters.

---
 src/frontend/inpcom.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index c9b713d80..a7946c847 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -9172,6 +9172,10 @@ static void inp_poly_2g6_compat(struct card* deck) {
             curr_line = nexttok(curr_line);
             curr_line = nexttok(curr_line);
             curr_line = nexttok(curr_line);
+            if (!curr_line) {
+                fprintf(stderr, "Error: not enough parameters in line\n   %s\n", thisline);
+                controlled_exit(1);
+            }
             if (*curr_line == '\0')
                 continue;
             break;
@@ -9179,6 +9183,10 @@ static void inp_poly_2g6_compat(struct card* deck) {
         case 'h':
             curr_line = nexttok(curr_line);
             curr_line = nexttok(curr_line);
+            if (!curr_line) {
+                fprintf(stderr, "Error: not enough parameters in line\n   %s\n", thisline);
+                controlled_exit(1);
+            }
             if (*curr_line == '\0')
                 continue;
             break;