Makefile for Windows + Unix; and some new function for LinkedList

Makefile

@@ -7,16 +7,26 @@ TARGET = main
 SOURCES = $(wildcard $(SRCDIR)/*.c)
 OBJECTS = $(patsubst $(SRCDIR)/%.c, $(BUILDDIR)/%.o, $(SOURCES))
 
-all: $(BUILDDIR)/$(TARGET)
+ifeq ($(OS),Windows_NT)
+    EXECUTABLE = $(BUILDDIR)/$(TARGET).exe
+    RM = del /Q
+    MKDIR = mkdir
+else
+    EXECUTABLE = $(BUILDDIR)/$(TARGET)
+    RM = rm -f
+    MKDIR = mkdir -p
+endif
 
-$(BUILDDIR)/$(TARGET): $(OBJECTS)
+all: $(EXECUTABLE)
+
+$(EXECUTABLE): $(OBJECTS)
 	$(CC) $(CFLAGS) -o $@ $^
 
 $(BUILDDIR)/%.o: $(SRCDIR)/%.c
-	@mkdir -p $(BUILDDIR)
+	$(MKDIR) $(BUILDDIR)
 	$(CC) $(CFLAGS) -c -o $@ $<
 
 clean:
-	rm -rf $(BUILDDIR)/*
+	$(RM) $(BUILDDIR)/*
 
 .PHONY: clean

src/common.c

@@ -92,8 +92,33 @@ bool linkedList_removeAt(LinkedList **head, const uint index) {
   return true;
 }
 
-void linkedList_print(LinkedList *head, void (*callback)(void *)) {
+uint linkedList_length(const LinkedList *head) {
-  LinkedList *current_node = head;
+  uint current_index = 0;
+  const LinkedList *current_node = head;
+  while (current_node != NULL) {
+    current_node = current_node->next;
+    current_index++;
+  }
+
+  return current_index;
+}
+
+bool linkedList_removeAll(LinkedList *head) {
+  uint length = linkedList_length(head);
+  LinkedList *lastNode = linkedList_getAt(head, length - 1);
+  if (lastNode == NULL)
+    return false;
+  while (lastNode->prev != NULL) {
+    lastNode = lastNode->prev;
+    free(lastNode->next);
+  }
+  free(lastNode);
+
+  return true;
+}
+
+void linkedList_print(const LinkedList *head, void (*callback)(void *)) {
+  const LinkedList *current_node = head;
   while (current_node != NULL) {
     callback(current_node->value);
     printf("->");

src/common.h

@@ -20,6 +20,8 @@ LinkedList *linkedList_getAt(LinkedList *head, const uint index);
 bool linkedList_insertAt(LinkedList *head, void *value, const uint index);
 bool linkedList_removeAt(LinkedList **head, const uint index);
 bool linkedList_append(LinkedList *head, void *value);
-void linkedList_print(LinkedList *head, void (*callback)(void *));
+uint linkedList_length(const LinkedList *head);
+bool linkedList_removeAll(LinkedList *head);
+void linkedList_print(const LinkedList *head, void (*callback)(void *));
 
 #endif // !__COMMON_HEADER

src/engine.h

@@ -0,0 +1,8 @@
+#ifndef __ENGINE_HEADER
+#define __ENGINE_HEADER
+
+#include "board.h"
+#include "common.h"
+#include "fen.h"
+
+#endif // !__ENGINE_HEADER

src/main.c

@@ -1,6 +1,4 @@
-#include "board.h"
+#include "engine.h"
-#include "common.h"
-#include "fen.h"
 
 void printFEN(void *value) { printf("%s", (char *)value); }
 void printString(void *value) { printf("%s", *(char **)value); }
@@ -12,9 +10,12 @@ int main() {
   board.history = linkedList_init(&fen);
   Coordinates *coords =
       piece_getMoves(board.squares[3].piece, board.squares[3].coords);
+  char a[] = "hello";
+  linkedList_append(board.history, &a);
+  printf("%d\n", linkedList_length(board.history));
   linkedList_print(board.history, printFEN);
   free(coords);
-  free(board.history);
+  linkedList_removeAll(board.history);
   // char *a = "hello";
   // LinkedList *head = linkedList_init(&a);
   // char *b = "world";