1 files changed, 50 insertions, 0 deletions
diff --git a/gs/src/gxclzlib.c b/gs/src/gxclzlib.c
new file mode 100644
index 000000000..24db9d03f
--- /dev/null
+++ b/gs/src/gxclzlib.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 1997 Aladdin Enterprises.  All rights reserved.
+
+  This file is part of Aladdin Ghostscript.
+
+  Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND.  No author
+  or distributor accepts any responsibility for the consequences of using it,
+  or for whether it serves any particular purpose or works at all, unless he
+  or she says so in writing.  Refer to the Aladdin Ghostscript Free Public
+  License (the "License") for full details.
+
+  Every copy of Aladdin Ghostscript must include a copy of the License,
+  normally in a plain ASCII text file named PUBLIC.  The License grants you
+  the right to copy, modify and redistribute Aladdin Ghostscript, but only
+  under certain conditions described in the License.  Among other things, the
+  License requires that the copyright notice and this notice be preserved on
+  all copies.
+*/
+
+/* gxclzlib.c */
+/* zlib filter initialization for RAM-based band lists */
+/* Must be compiled with -I$(ZSRCDIR) */
+#include "std.h"
+#include "gstypes.h"
+#include "gsmemory.h"
+#include "gxclmem.h"
+#include "szlibx.h"
+
+private stream_zlib_state cl_zlibE_state;
+private stream_zlib_state cl_zlibD_state;
+
+/* Initialize the states to be copied. */
+void
+gs_cl_zlib_init(gs_memory_t *mem)
+{	s_zlib_set_defaults((stream_state *)&cl_zlibE_state);
+	cl_zlibE_state.no_wrapper = true;
+	cl_zlibE_state.template = &s_zlibE_template;
+	s_zlib_set_defaults((stream_state *)&cl_zlibD_state);
+	cl_zlibD_state.no_wrapper = true;
+	cl_zlibD_state.template = &s_zlibD_template;
+}
+
+/* Return the prototypes for compressing/decompressing the band list. */
+const stream_state *
+clist_compressor_state(void *client_data)
+{	return (const stream_state *)&cl_zlibE_state;
+}
+const stream_state *
+clist_decompressor_state(void *client_data)
+{	return (const stream_state *)&cl_zlibD_state;
+}