cleanup

buffer_allocator.c

@@ -1,13 +1,11 @@
 #include "cig.h"
 
 static void *buffer_allocator_alloc(buffer_allocator_t *this, size_t bytes) {
-	size_t address_of_new_data = (size_t) &this->data[this->size];
-	size_t offset = address_of_new_data % MAX_ALIGN;
-	size_t new_size = this->size + offset + bytes;
+	bytes = (bytes + MAX_ALIGN - 1) / MAX_ALIGN * MAX_ALIGN;
+	size_t new_size = this->size + bytes;
 	if (new_size > this->capacity) {
 		return NULL;
 	}
-	this->size += offset;
 	void *ptr = &this->data[this->size];
 	this->size = new_size;
 	return ptr;