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diff --git a/third-party/tommyds/tommyalloc.h b/third-party/tommyds/tommyalloc.h
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+/*
+ * Copyright (c) 2010, Andrea Mazzoleni. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** \file
+ * Allocator of fixed size blocks.
+ */
+
+#ifndef __TOMMYALLOC_H
+#define __TOMMYALLOC_H
+
+#include "tommytypes.h"
+
+/******************************************************************************/
+/* allocator */
+
+/** \internal
+ * Allocator entry.
+ */
+struct tommy_allocator_entry_struct {
+	struct tommy_allocator_entry_struct* next; /**< Pointer to the next entry. 0 for last. */
+};
+typedef struct tommy_allocator_entry_struct tommy_allocator_entry;
+
+/**
+ * Allocator of fixed size blocks.
+ */
+typedef struct tommy_allocator_struct {
+	struct tommy_allocator_entry_struct* free_block; /**< List of free blocks. */
+	struct tommy_allocator_entry_struct* used_segment; /**< List of allocated segments. */
+	tommy_size_t block_size; /**< Block size. */
+	tommy_size_t align_size; /**< Alignment size. */
+	tommy_count_t count; /**< Number of allocated elements. */
+} tommy_allocator;
+
+/**
+ * Initializes the allocator.
+ * \param alloc Allocator to initialize.
+ * \param block_size Size of the block to allocate.
+ * \param align_size Minimum alignment requirement. No less than sizeof(void*).
+ */
+void tommy_allocator_init(tommy_allocator* alloc, tommy_size_t block_size, tommy_size_t align_size);
+
+/**
+ * Deinitialize the allocator.
+ * It also releases all the allocated memory to the heap.
+ * \param alloc Allocator to deinitialize.
+ */
+void tommy_allocator_done(tommy_allocator* alloc);
+
+/**
+ * Allocates a block.
+ * \param alloc Allocator to use.
+ */
+void* tommy_allocator_alloc(tommy_allocator* alloc);
+
+/**
+ * Deallocates a block.
+ * You must use the same allocator used in the tommy_allocator_alloc() call.
+ * \param alloc Allocator to use.
+ * \param ptr Block to free.
+ */
+void tommy_allocator_free(tommy_allocator* alloc, void* ptr);
+
+/**
+ * Gets the size of allocated memory.
+ * \param alloc Allocator to use.
+ */
+tommy_size_t tommy_allocator_memory_usage(tommy_allocator* alloc);
+
+#endif
+