for (r = 0; r < h; ++r) {
for (c = 0; c < w; ++c) {
int i = r*w + c, cell = r*ch*gw + c*cw;
- board[cell] = state->shared->clues[i]["+BW"];
+ board[cell] = "+BW"[(unsigned char)state->shared->clues[i]];
if (c < w - 1 && (state->lines[i] & R || state->lines[i+1] & L))
memset(board + cell + 1, '-', cw - 1);
if (r < h - 1 && (state->lines[i] & D || state->lines[i+w] & U))