Include/Fledasty/Core/Stack.h

@@ -38,6 +38,7 @@ FledastyError fledasty_stack_initialize(FledastyStack *new_stack, const size_t e
 FledastyError fledasty_stack_destroy(FledastyStack *current_stack);
 
 FledastyError fledasty_stack_push(FledastyStack *current_stack, void *value);
+void *fledasty_stack_peek(FledastyStack *current_stack);
 
 static inline size_t fledasty_stack_is_empty(const FledastyStack *current_stack) { return current_stack->size == 0; }
 

Src/Core/Stack.c

@@ -76,3 +76,11 @@ FledastyError fledasty_stack_push(FledastyStack *current_stack, void *value) {
 
     return FLEDASTY_ERROR_NONE;
 }
+
+void *fledasty_stack_peek(FledastyStack *current_stack) {
+    if (current_stack == NULL) {
+        return NULL;
+    }
+
+    return current_stack->buffer + ((current_stack->size - 1) * current_stack->element_byte_size);
+}

Tests/Main.c

@@ -31,8 +31,8 @@ int main() {
         fledasty_queue_push(&test_queue, &i);
     }
 
-    int *peek_data = (int*)fledasty_queue_peek(&test_queue);
-    printf("Peeked: %d\n", *peek_data);
+    int *peeked_queue_data = (int*)fledasty_queue_peek(&test_queue);
+    printf("Peeked: %d\n", *peeked_queue_data);
 
     for (int i = test_queue.size; i > 0; i -= 1) {
         int *popped_data = (int*)fledasty_queue_pop(&test_queue);
@@ -52,6 +52,9 @@ int main() {
         fledasty_stack_push(&test_stack, &i);
     }
 
+    int *peeked_stack_data = (int*)fledasty_stack_peek(&test_stack);
+    printf("Peeked: %d\n", *peeked_stack_data);
+
     if (fledasty_stack_is_empty(&test_stack)) {
         printf("Stack is empty\n");
     }