Introduce temp memory to free memory leaks

src/MemoryArena.c

@@ -2,7 +2,30 @@
 
 void memory_arenaInit(MemoryArena_ *arena, void *base, size_t size)
 {
-	arena->size = size;
-	arena->used = 0;
-	arena->base = CAST(u8 *)base;
+	arena->size            = size;
+	arena->used            = 0;
+	arena->base            = CAST(u8 *) base;
+	arena->tempMemoryCount = 0;
+}
+
+TempMemory memory_begin_temporary_region(MemoryArena_ *arena)
+{
+	TempMemory result = {0};
+	result.arena      = arena;
+	result.used       = arena->used;
+
+	arena->tempMemoryCount++;
+
+	return result;
+}
+
+void memory_end_temporary_region(TempMemory tempMemory)
+{
+	MemoryArena_ *arena = tempMemory.arena;
+	ASSERT(arena->used > tempMemory.used)
+
+	arena->used        = tempMemory.used;
+	ASSERT(arena->tempMemoryCount > 0)
+
+	arena->tempMemoryCount--;
 }