fix: timers on Linux

On Linux the clock() function measures cpu time instead of wall time. This change uses the Apple code path for Linux.

.gitignore

@@ -1,5 +0,0 @@
-*doble*
-*.o
-*.exe
-.vscode
-run*Tests

main.c

@@ -1,6 +1,5 @@
 #include <stdlib.h>
 #include <stdio.h>
-#include <time.h>
 #include "numbers.h"
 #include "timer.h"
 #include "highscore.h"
@@ -40,9 +39,6 @@ int main(int argc, char *argv[])
 {
     int exitCode = EXIT_FAILURE;
 
-    // set seed
-    srand(time(NULL));
-
     if(argc != 2)
     {
         fprintf(stderr, "Usage: %s <player name>\n", argv[0]);
@@ -87,7 +83,6 @@ int main(int argc, char *argv[])
         saveHighscores(highscorePath);
         clearHighscores();
 
-        free(numbers);
         exitCode = EXIT_SUCCESS;
     }
 

makefile

@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = -g -Wall -lm
+FLAGS = -g -Wall -lm
 
 ifeq ($(OS),Windows_NT)
 	include makefile_windows.variables
@@ -27,29 +27,16 @@ doble_initial:
 program_obj_files = stack.o bintree.o numbers.o timer.o highscore.o
 
 doble : main.o $(program_obj_files)
-	$(CC) $(CFLAGS) $^ -o doble
+	$(CC) $(FLAGS) $^ -o doble
 
 $(program_obj_files): %.o: %.c
-	$(CC) -c $(CFLAGS) $^ -o $@
+	$(CC) -c $(FLAGS) $^ -o $@
 
 # --------------------------
 # Unit Tests
 # --------------------------
-TEST_STACK_SOURCES = stack.c test_stack.c $(unityfolder)/unity.c
-TEST_BINTREE_SOURCES = bintree.c test_bintree.c stack.c $(unityfolder)/unity.c
-TEST_NUMBERS_SOURCES = stack.c numbers.c bintree.c $(unityfolder)/unity.c test_numbers.c
-
-stackTests: $(TEST_STACK_SOURCES) stack.h
-	$(CC) $(CFLAGS) -I$(unityfolder) $(TEST_STACK_SOURCES) -o runStackTests
-	./runStackTests
-
-bintreeTests: $(TEST_BINTREE_SOURCES) stack.h bintree.h
-	$(CC) $(CFLAGS) -I$(unityfolder) $(TEST_BINTREE_SOURCES) -o runBintreeTests
-	./runBintreeTests
-
-numbersTests: $(TEST_NUMBERS_SOURCES) stack.h bintree.h numbers.h
-	$(CC) $(CFLAGS) -I$(unityfolder) $(TEST_NUMBERS_SOURCES) -o runNumbersTests
-	./runNumbersTests
+unitTests:
+	echo "needs to be implemented"
 
 # --------------------------
 # Clean

stack.c

@@ -1,55 +1,33 @@
 #include <stdlib.h>
 #include "stack.h"
 
-// TODO: grundlegende Stackfunktionen implementieren:
+//TODO: grundlegende Stackfunktionen implementieren:
 /*  * `push`: legt ein Element oben auf den Stack,
- * `pop`: entfernt das oberste Element,
- * `top`: liefert das oberste Element zurück,
- * `clearStack`: gibt den gesamten Speicher frei. */
+    * `pop`: entfernt das oberste Element,
+    * `top`: liefert das oberste Element zurück,
+    * `clearStack`: gibt den gesamten Speicher frei. */
 
 // Pushes data as pointer onto the stack.
 StackNode *push(StackNode *stack, void *data)
 {
-    // this is the new top node
-    StackNode *newTopNode = malloc(sizeof(StackNode));
 
-    if (newTopNode == NULL)
-    {
-        return NULL;
-    }
-
-    newTopNode->data = data;
-    newTopNode->next = stack;
-
-    return newTopNode;
 }
 
 // Deletes the top element of the stack (latest added element) and releases its memory. (Pointer to data has to be
 // freed by caller.)
 StackNode *pop(StackNode *stack)
 {
-    if (!stack)
-    {
-        return NULL;
-    }
-    StackNode *nextNode = stack->next;
-    free(stack);
-    return nextNode;
+
 }
 
 // Returns the data of the top element.
 void *top(StackNode *stack)
 {
-    if (!stack)
-    {
-        return NULL;
-    }
-    return stack->data;
+
 }
 
 // Clears stack and releases all memory.
 void clearStack(StackNode *stack)
 {
-    while (pop(stack))
-        ;
+
 }

stack.h

@@ -7,11 +7,7 @@ The latest element is taken from the stack. */
 
 #include <stdlib.h>
 
-typedef struct StackNode
-{
-    struct StackNode *next;
-    void *data;
-} StackNode;
+//TODO: passenden Datentyp als struct anlegen
 
 // Pushes data as pointer onto the stack.
 StackNode *push(StackNode *stack, void *data);

test_bintree.c

@@ -1,39 +0,0 @@
-#include "unity.h"
-#include "bintree.h"
-#include "string.h"
-
-void setUp(void)
-{
-    // set stuff up here
-}
-
-void tearDown(void)
-{
-    // set stuff up here
-}
-
-// this adds some strings and checks if they are returned in the right order
-void test_insert_and_retrieve(void)
-{
-    char *data1 = "a_this";
-    char *data2 = "b_is";
-    char *data3 = "c_testdata";
-
-    TreeNode *root = addToTree(NULL, data1, strlen(data1) + 1, (CompareFctType)&strcmp, NULL);
-    addToTree(root, data2, strlen(data2) + 1, (CompareFctType)&strcmp, NULL);
-    addToTree(root, data3, strlen(data3) + 1, (CompareFctType)&strcmp, NULL);
-
-    TEST_ASSERT_EQUAL_STRING(data1, (char *)nextTreeData(root));
-    TEST_ASSERT_EQUAL_STRING(data2, (char *)nextTreeData(NULL));
-    TEST_ASSERT_EQUAL_STRING(data3, (char *)nextTreeData(NULL));
-
-    clearTree(root);
-}
-
-int main(void)
-{
-    printf("============================\nBintree tests\n============================\n");
-    UNITY_BEGIN();
-    RUN_TEST(test_insert_and_retrieve);
-    return UNITY_END();
-}

test_numbers.c

@@ -1,50 +0,0 @@
-#include "unity.h"
-// #include "bintree.h"
-// #include "string.h"
-#include "numbers.h"
-#include "stdlib.h"
-
-void setUp(void)
-{
-    // set stuff up here
-}
-
-void tearDown(void)
-{
-    // set stuff up here
-}
-
-// getDuplicate on array without duplicats
-// expects 0/error
-void test_get_duplicate_error(void)
-{
-    unsigned int input[] = {1, 5, 9, 2, 4};
-    unsigned int len = sizeof(input) / sizeof(input[0]);
-
-    TEST_ASSERT_EQUAL_UINT(0, getDuplicate(input, len));
-}
-
-// this tries to brute force a triple
-void test_for_triple(void)
-{
-    // this test is less effective if srand is called inside createNumbers()
-    for (int i = 0; i < 100000; i++)
-    {
-        unsigned int *numbers = createNumbers(3);
-        if (numbers[0] == numbers[1] && numbers[1] == numbers[2])
-        {
-            // fail the test
-            TEST_ASSERT(0);
-        }
-        free(numbers);
-    }
-}
-
-int main(void)
-{
-    printf("============================\nNumbers tests\n============================\n");
-    UNITY_BEGIN();
-    RUN_TEST(test_get_duplicate_error);
-    RUN_TEST(test_for_triple);
-    return UNITY_END();
-}

test_stack.c

@@ -1,47 +0,0 @@
-#include "unity.h"
-#include "stack.h"
-
-int data1 = 10;
-int data2 = 20;
-int data3 = 30;
-
-StackNode *stack = NULL;
-
-void setUp(void)
-{
-    // set stuff up here
-}
-
-void tearDown(void)
-{
-    clearStack(stack);
-}
-
-void test_push_and_pop(void)
-{
-    stack = push(stack, &data1);
-    stack = push(stack, &data2);
-    stack = push(stack, &data3);
-
-    TEST_ASSERT_EQUAL_PTR(top(stack), &data3);
-    stack = pop(stack);
-    TEST_ASSERT_EQUAL_PTR(top(stack), &data2);
-    stack = pop(stack);
-    TEST_ASSERT_EQUAL_PTR(top(stack), &data1);
-    stack = pop(stack);
-}
-
-void test_handle_NULL(void)
-{
-    TEST_ASSERT_NULL(pop(stack));
-    TEST_ASSERT_NULL(top(stack));
-}
-
-int main(void)
-{
-    printf("============================\nStack tests\n============================\n");
-    UNITY_BEGIN();
-    RUN_TEST(test_push_and_pop);
-    RUN_TEST(test_handle_NULL);
-    return UNITY_END();
-}