--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/include/mupdf/fitz/pool.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,68 @@
+// Copyright (C) 2004-2021 Artifex Software, Inc.
+//
+// This file is part of MuPDF.
+//
+// MuPDF is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
+//
+// Alternative licensing terms are available from the licensor.
+// For commercial licensing, see <https://www.artifex.com/> or contact
+// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
+// CA 94129, USA, for further information.
+
+#ifndef MUPDF_FITZ_POOL_H
+#define MUPDF_FITZ_POOL_H
+
+#include "mupdf/fitz/system.h"
+#include "mupdf/fitz/context.h"
+
+/**
+	Simple pool allocators.
+
+	Allocate from the pool, which can then be freed at once.
+*/
+typedef struct fz_pool fz_pool;
+
+/**
+	Create a new pool to allocate from.
+*/
+fz_pool *fz_new_pool(fz_context *ctx);
+
+/**
+	Allocate a block of size bytes from the pool.
+*/
+void *fz_pool_alloc(fz_context *ctx, fz_pool *pool, size_t size);
+
+/**
+	strdup equivalent allocating from the pool.
+*/
+char *fz_pool_strdup(fz_context *ctx, fz_pool *pool, const char *s);
+
+/**
+	The current size of the pool.
+
+	The number of bytes of storage currently allocated to the pool.
+	This is the total of the storage used for the blocks making
+	up the pool, rather then total of the allocated blocks so far,
+	so it will increase in 'lumps'.
+	from the pool, then the pool size may still be X
+*/
+size_t fz_pool_size(fz_context *ctx, fz_pool *pool);
+
+/**
+	Drop a pool, freeing and invalidating all storage returned from
+	the pool.
+*/
+void fz_drop_pool(fz_context *ctx, fz_pool *pool);
+
+#endif