fix: prevent opening too large RLE filesHEADmaster

This will prevent heap-buffer-overflows from occuring when opening RLE files with pattern sizes exceeding the current terminal size

1 files changed, 9 insertions, 2 deletions

diff --git a/src/game/game.cpp b/src/game/game.cpp
index 05b02fd..9835fc5 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -613,12 +613,19 @@ void Game::_open_rle_file(CommandInfo::Options options) noexcept
 		return;
 	}
 
+	auto scene_matrix = _scene->get_matrix();
+
+	if (rle_matrix->get_size() > scene_matrix->get_size())
+	{
+		_show_command_error("Error: The pattern in the RLE file is too large for the "
+							"current terminal size");
+		return;
+	}
+
 	_return_to_normal_mode();
 
 	const auto previous_pos = _cursor_controller->where();
 
-	auto scene_matrix = _scene->get_matrix();
-
 	for (auto row : *rle_matrix)
 	{
 		for (auto &col : row)