diff options
| -rw-r--r-- | FICS/movecheck.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/FICS/movecheck.c b/FICS/movecheck.c index 8456e59..453bdee 100644 --- a/FICS/movecheck.c +++ b/FICS/movecheck.c @@ -654,6 +654,7 @@ PRIVATE int move_calculate(game_state_t *gs, move_t *mt, int promote) { game_state_t fakeMove; + int ret, too_long; mt->pieceCaptured = gs->board[mt->toFile][mt->toRank]; mt->enPassant = 0; // Don't know yet, @@ -661,12 +662,20 @@ move_calculate(game_state_t *gs, move_t *mt, int promote) if (mt->fromFile == ALG_DROP) { mt->piecePromotionTo = NOPIECE; - sprintf(mt->moveString, "%s/%c%c-%c%d", + ret = snprintf(mt->moveString, sizeof mt->moveString, + "%s/%c%c-%c%d", wpstring[mt->fromRank], DROP_CHAR, DROP_CHAR, mt->toFile + 'a', mt->toRank + 1); + + too_long = (ret < 0 || (size_t)ret >= sizeof mt->moveString); + + if (too_long) { /* XXX */ + fprintf(stderr, "FICS: %s: warning: " + "snprintf truncated\n", __func__); + } } else { if (piecetype(gs->board[mt->fromFile][mt->fromRank]) == PAWN && (mt->toRank == 0 || mt->toRank == 7)) { @@ -693,12 +702,20 @@ move_calculate(game_state_t *gs, move_t *mt, int promote) mt->toFile == 6) { sprintf(mt->moveString, "o-o"); } else { - sprintf(mt->moveString, "%s/%c%d-%c%d", + ret = snprintf(mt->moveString, sizeof mt->moveString, + "%s/%c%d-%c%d", wpstring[piecetype(gs->board[mt->fromFile][mt->fromRank])], mt->fromFile + 'a', mt->fromRank + 1, mt->toFile + 'a', mt->toRank + 1); + + too_long = (ret < 0 || (size_t)ret >= sizeof mt->moveString); + + if (too_long) { /* XXX */ + fprintf(stderr, "FICS: %s: warning: " + "snprintf truncated\n", __func__); + } } } |