From 1a9bcdf202f062e89bb73aa9b0bfe6e3c9b4d5d9 Mon Sep 17 00:00:00 2001
From: Tatsuya Kinoshita <tats@debian.org>
Date: Tue, 30 Mar 2021 20:15:07 +0900
Subject: Treat textlist item number as int instead of short

cf. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838952
---
 textlist.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'textlist.c')

diff --git a/textlist.c b/textlist.c
index fda46eb..2026fc5 100644
--- a/textlist.c
+++ b/textlist.c
@@ -30,7 +30,7 @@ void
 pushValue(GeneralList *tl, void *s)
 {
     ListItem *it;
-    if (s == NULL)
+    if (s == NULL || tl == NULL || tl->nitem >= GENERAL_LIST_MAX)
 	return;
     it = newListItem(s, NULL, tl->last);
     if (tl->first == NULL) {
@@ -99,6 +99,9 @@ appendGeneralList(GeneralList *tl, GeneralList *tl2)
     if (tl && tl2) {
 	if (tl2->first) {
 	    if (tl->last) {
+		if (tl->nitem + tl2->nitem > GENERAL_LIST_MAX) {
+		    return tl;
+		}
 		tl->last->next = tl2->first;
 		tl2->first->prev = tl->last;
 		tl->last = tl2->last;
-- 
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