Mercurial > hg > terminal-chess / file diff

--- a/src/chess/rules.h	Tue Jun 03 08:43:17 2025 +0200
+++ b/src/chess/rules.h	Wed Jun 04 23:56:40 2025 +0200
@@ -33,6 +33,7 @@
 #include "game-info.h"
 
 #include <stdint.h>
+#include <stdbool.h>
 
 #define VALID_MOVE_SYNTAX      0
 #define VALID_MOVE_SEMANTICS   0 /* use same code for a success */
@@ -114,10 +115,10 @@
  * the rare maximum of 16 elements)
  * @param threatcount a pointer to an uint8_t where the count of threats is
  * stored
- * @return TRUE, if any piece of the specified color threatens the specified
+ * @return true, if any piece of the specified color threatens the specified
  * field (i.e. could capture an opponent piece)
  */
-_Bool get_threats(GameState *gamestate, uint8_t row, uint8_t file,
+bool get_threats(GameState *gamestate, uint8_t row, uint8_t file,
         uint8_t color, Move* threats, uint8_t* threatcount);
 
 /**
@@ -135,10 +136,10 @@
  * the rare maximum of 16 elements)
  * @param threatcount a pointer to an uint8_t where the count of threats is
  * stored
- * @return TRUE, if any piece of the specified color threatens the specified
+ * @return true, if any piece of the specified color threatens the specified
  * field (i.e. could capture an opponent piece)
  */
-_Bool get_real_threats(GameState *gamestate, uint8_t row, uint8_t file,
+bool get_real_threats(GameState *gamestate, uint8_t row, uint8_t file,
         uint8_t color, Move* threats, uint8_t* threatcount);
 
 /**
@@ -148,7 +149,7 @@
  * @param row row of the field to check
  * @param file file of the field to check
  * @param color the color of the piece that should cover the field
- * @return TRUE, if any piece of the specified color threatens the specified
+ * @return true, if any piece of the specified color threatens the specified
  * field
  */
 #define is_covered(gamestate, row, file, color) \
@@ -164,7 +165,7 @@
  * @param row row of the field to check
  * @param file file of the field to check
  * @param color the color of the piece that should cover the field
- * @return TRUE, if any piece of the specified color threatens the specified
+ * @return true, if any piece of the specified color threatens the specified
  * field and could capture an opponent piece
  */
 #define is_attacked(gamestate, row, file, color) \
@@ -180,10 +181,10 @@
  * @param row row of the field to check
  * @param file file of the field to check
  * @param color the color of the piece that should cover the field
- * @return TRUE, if any piece (excluding the king) of the specified color
+ * @return true, if any piece (excluding the king) of the specified color
  * threatens the specified field and could capture an opponent piece
  */
-_Bool is_protected(GameState *gamestate, uint8_t row, uint8_t file,
+bool is_protected(GameState *gamestate, uint8_t row, uint8_t file,
         uint8_t color);
 
 /**
@@ -197,10 +198,10 @@
  * 
  * @param gamestate the current game state
  * @param move the move to check
- * @return TRUE, if the move cannot be performed because the king would be in
+ * @return true, if the move cannot be performed because the king would be in
  * check after the move
  */
-_Bool is_pinned(GameState *gamestate, Move *move);
+bool is_pinned(GameState *gamestate, Move *move);
 
 /**
  * Evaluates a move syntactically and stores the move data in the specified