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ASAN: try to avoid a out of bound read in draw_terrain

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Laurent Alonso(fr)
2020-05-20 14:53:33 +02:00
committed by Celtic Minstrel
parent fea9b43c7d
commit 4ce0af7777
1 changed files with 3 additions and 1 deletions
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4
src/game/boe.graphics.cpp
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@@ -859,7 +859,9 @@ void draw_terrain(short mode) {
if(is_town() || is_combat())
draw_items(where_draw);
if(is_out() && univ.out.out_e[where_draw.x][where_draw.y] && univ.out.is_road(where_draw.x,where_draw.y))
// ASAN: where_draw.y can be equal to -1, ...
if(is_out() && where_draw.x>=0 && where_draw.x<96 && where_draw.y>=0 && where_draw.y<96 &&
univ.out.out_e[where_draw.x][where_draw.y] && univ.out.is_road(where_draw.x,where_draw.y))
place_road(q,r,where_draw,true);
else if(is_town() && univ.town.is_explored(where_draw.x,where_draw.y) && univ.town.is_road(where_draw.x, where_draw.y))
place_road(q,r,where_draw,true);