Fix possible crash in gift box sticker lookup.

2024-01-09 13:11:25 +04:00 · 2024-01-09 13:11:25 +04:00 · 4471eb587d
parent 3c6037a798
commit 4471eb587d
1 changed files with 2 additions and 0 deletions
--- a/Telegram/SourceFiles/chat_helpers/stickers_gift_box_pack.cpp
+++ b/Telegram/SourceFiles/chat_helpers/stickers_gift_box_pack.cpp
@ -26,6 +26,8 @@ DocumentData *GiftBoxPack::lookup(int months) const {
 	const auto fallback = _documents.empty() ? nullptr : _documents[0];
 	if (it == begin(_localMonths)) {
 		return fallback;
+	} else if (it == end(_localMonths)) {
+		return _documents.back();
 	}
 	const auto left = *(it - 1);
 	const auto right = *it;