1 files changed, 64 insertions, 0 deletions
diff --git a/engines/sci/scicore/exe_dec.h b/engines/sci/scicore/exe_dec.h
new file mode 100644
index 0000000000..45c1f58382
--- /dev/null
+++ b/engines/sci/scicore/exe_dec.h
@@ -0,0 +1,64 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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; either version 2
+ * of the License, or (at your option) any later version.
+
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef _SCI_EXE_DEC_H_
+#define _SCI_EXE_DEC_H_
+
+typedef struct _exe_handle exe_handle_t;
+
+typedef struct _exe_decompressor {
+	const char *name; /* Decompressor name. Unique identifier, should consist
+	            ** of lower-case (where applicable) alphanumerics
+	            */
+
+	exe_handle_t * (*open)(const char *filename);
+	/* Opens an executable file
+	** Parameters: (const char *) filename: Filename of executable to open.
+	** Returns   : (exe_handle_t *) Decompressor file handle, or NULL on
+	**                              error.
+	** This function will verify that the file can be handled by the
+	** decompressor. If this is not the case the function will fail.
+	*/
+
+	int (*read)(exe_handle_t *handle, void *buf, int count);
+	/* Reads from executable file
+	** Parameters: (exe_handle_t *) handle: Decompressor file handle.
+	**             (void *) buf: Buffer to store decompressed data.
+	**             (int) count: Size of decompressed data requested, in
+	**                          bytes.
+	** Returns   : (int) Number of bytes of decompressed data that was
+	**                   stored in buf. If this value is less than count
+	**                   an error has occured, or end-of-file was
+	**                   reached.
+	*/
+
+	void (*close)(exe_handle_t *handle);
+	/* Closes a decompressor file handle.
+	** Parameters: (exe_handle_t *) handle: Decompressor file handle.
+	** Returns   : (void)
+	*/
+} exe_decompressor_t;
+
+#endif /* !_SCI_EXE_DEC_H_ */