diff --git a/util/cbfstool/compress.c b/util/cbfstool/compress.c
new file mode 100644
index 0000000..2222dab
--- /dev/null
+++ b/util/cbfstool/compress.c
@@ -0,0 +1,57 @@
+/*
+ * compression handling for cbfstool
+ *
+ * Copyright (C) 2009 coresystems GmbH
+ *                 written by Patrick Georgi <patrick.georgi@coresystems.de>
+ *
+ * Adapted from code
+ * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>, released
+ * under identical license terms
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include "common.h"
+
+extern void do_lzma_compress(char *in, int in_len, char *out, int *out_len);
+
+void lzma_compress(char *in, int in_len, char *out, int *out_len)
+{
+	do_lzma_compress(in, in_len, out, out_len);
+}
+
+void none_compress(char *in, int in_len, char *out, int *out_len)
+{
+	memcpy(out, in, in_len);
+	*out_len = in_len;
+}
+
+comp_func_ptr compression_function(comp_algo algo)
+{
+	comp_func_ptr compress;
+	switch (algo) {
+	case CBFS_COMPRESS_NONE:
+		compress = none_compress;
+		break;
+	case CBFS_COMPRESS_LZMA:
+		compress = lzma_compress;
+		break;
+	default:
+		fprintf(stderr, "E: Unknown compression algorithm %d!\n", algo);
+		return NULL;
+	}
+	return compress;
+}