From 12be3ddea55e32be7272a4f2e5a4b3c5e39239a7 Mon Sep 17 00:00:00 2001
From: dholland <dholland@NetBSD.org>
Date: Sun, 8 Jan 2012 18:16:00 +0000
Subject: Oops, I forgot to actually implement the checksumming code for the
 new savefile format, so any savefiles generated yesterday can be tampered
 with. Oh well. While here, tidy up the crc code.

---
 adventure/extern.h | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'adventure/extern.h')

diff --git a/adventure/extern.h b/adventure/extern.h
index 0e87e070..548a270c 100644
--- a/adventure/extern.h
+++ b/adventure/extern.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: extern.h,v 1.14 2009/10/21 01:07:44 snj Exp $	*/
+/*	$NetBSD: extern.h,v 1.15 2012/01/08 18:16:00 dholland Exp $	*/
 
 /*
  * Copyright (c) 1997 Christos Zoulas.  All rights reserved.
@@ -27,8 +27,14 @@
 #include <string.h>
 
 /* crc.c */
-void crc_start(void);
-unsigned long crc(const char *, int);
+struct crcstate {
+	uint32_t crcval;
+	unsigned step;
+};
+
+void crc_start(struct crcstate *);
+void crc_add(struct crcstate *, const void *, size_t);
+uint32_t crc_get(struct crcstate *);
 
 /* done.c */
 int score(void);
-- 
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