more assertion for tracking bug.

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@3304 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

3 files changed, 4 insertions, 0 deletions

diff --git a/mbbsd/announce.c b/mbbsd/announce.c
index 81944e9e..38648623 100644
--- a/mbbsd/announce.c
+++ b/mbbsd/announce.c
@@ -174,6 +174,7 @@ a_loadname(menu_t * pm)
 
     setadir(buf, pm->path);
     len = get_records(buf, pm->header, FHSZ, pm->page + 1, pm->header_size); // XXX if get_records() return -1
+    assert(len!=-1);
     if (len < pm->header_size)
 	bzero(&pm->header[len], FHSZ * (pm->header_size - len));
 }
diff --git a/mbbsd/chess.c b/mbbsd/chess.c
index 26f82354..8606d652 100644
--- a/mbbsd/chess.c
+++ b/mbbsd/chess.c
@@ -859,6 +859,7 @@ ChessWatchRequest(int sig)
     if (sock < 0)
 	return;
     
+    assert(CurrentPlayingGameInfo);
     node = ChessBroadcastListInsert(&CurrentPlayingGameInfo->broadcast_list);
     node->sock = sock;
 
diff --git a/mbbsd/screen.c b/mbbsd/screen.c
index c0a389f2..9eabb276 100644
--- a/mbbsd/screen.c
+++ b/mbbsd/screen.c
@@ -27,6 +27,8 @@ initscr(void)
 void
 move(int y, int x)
 {
+    assert(y>=0);
+    assert(x>=0);
     cur_col = x;
     cur_ln = y;
 }