1.1 --- a/src/chess/rules.h Wed May 28 15:47:57 2014 +0200
1.2 +++ b/src/chess/rules.h Wed Jun 11 15:38:01 2014 +0200
1.3 @@ -33,13 +33,16 @@
1.4 #include <stdint.h>
1.5 #include <sys/time.h>
1.6
1.7 -#define VALID_MOVE_SYNTAX 0
1.8 -#define INVALID_MOVE_SYNTAX 1
1.9 -#define INVALID_POSITION 2
1.10 -#define AMBIGUOUS_MOVE 3
1.11 -#define NEED_PROMOTION 4
1.12 -#define PIECE_PINNED 5
1.13 -#define KING_IN_CHECK 6
1.14 +#define VALID_MOVE_SYNTAX 0
1.15 +#define VALID_MOVE_SEMANTICS 0 /* use same code for a success */
1.16 +#define INVALID_MOVE_SYNTAX 1
1.17 +#define INVALID_POSITION 2
1.18 +#define AMBIGUOUS_MOVE 3
1.19 +#define NEED_PROMOTION 4
1.20 +#define PIECE_PINNED 5
1.21 +#define KING_IN_CHECK 6
1.22 +#define KING_MOVES_INTO_CHECK 7
1.23 +#define RULES_VIOLATED 10
1.24
1.25
1.26 #define PIECE_MASK 0x0F
1.27 @@ -268,7 +271,7 @@
1.28 * @param gamestate the current game state
1.29 * @param mstr the input string to parse
1.30 * @param move a pointer to object where the move data shall be stored
1.31 - * @return status code (see rules/rules.h for the list of codes)
1.32 + * @return status code (see macros in this file for the list of codes)
1.33 */
1.34 int eval_move(GameState *gamestate, char *mstr, Move *move);
1.35
1.36 @@ -276,9 +279,9 @@
1.37 * Validates move by applying chess rules.
1.38 * @param gamestate the current game state
1.39 * @param move the move to validate
1.40 - * @return TRUE, if the move complies to chess rules, FALSE otherwise
1.41 + * @return status code (see macros in this file for the list of codes)
1.42 */
1.43 -_Bool validate_move(GameState *gamestate, Move *move);
1.44 +int validate_move(GameState *gamestate, Move *move);
1.45
1.46 /**
1.47 * Applies a move and deletes captured pieces.
