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-rw-r--r--mbbsd/menu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mbbsd/menu.c b/mbbsd/menu.c
index 99c2c8ba..fa111d4f 100644
--- a/mbbsd/menu.c
+++ b/mbbsd/menu.c
@@ -51,6 +51,7 @@ showtitle(const char *title, const char *mid)
int bid = getbnum(currboard);
if(bid > 0)
{
+ assert(0<=bid-1 && bid-1<MAX_BOARD);
board_hidden_status = ((getbcache(bid)->brdattr & BRD_HIDE) &&
(getbcache(bid)->brdattr & BRD_POSTMASK));
strlcpy(lastboard, currboard, sizeof(lastboard));