From 004220fb63d9c49f5ba389a7d80d0bbde14ba11f Mon Sep 17 00:00:00 2001
From: Jakub Zawadzki <darkjames-ws@darkjames.pl>
Date: Sat, 16 Nov 2013 22:31:07 +0000
Subject: Exporting/importing variables cause problems, so create function to
 do bitswaping.

svn path=/trunk/; revision=53374
---
 wsutil/bitswap.c | 10 +++++++++-
 wsutil/bitswap.h |  4 +---
 2 files changed, 10 insertions(+), 4 deletions(-)

(limited to 'wsutil')

diff --git a/wsutil/bitswap.c b/wsutil/bitswap.c
index 8e0fa657b7..ec387c5c8b 100644
--- a/wsutil/bitswap.c
+++ b/wsutil/bitswap.c
@@ -30,7 +30,7 @@
 #include "bitswap.h"
 
 /* "swaptab[i]" is the value of "i" with the bits reversed. */
-WS_DLL_PUBLIC_DEF const guint8 swaptab[256] =
+static const guint8 swaptab[256] =
 {
   0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
   0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
@@ -65,3 +65,11 @@ WS_DLL_PUBLIC_DEF const guint8 swaptab[256] =
   0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
   0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
 };
+
+void bit_swap_buf_inplace(guint8 *buf, size_t len)
+{
+	size_t i;
+
+	for (i = 0; i < len; i++)
+		buf[i] = swaptab[buf[i]];
+}
diff --git a/wsutil/bitswap.h b/wsutil/bitswap.h
index bbf374b01e..ad50ab5192 100644
--- a/wsutil/bitswap.h
+++ b/wsutil/bitswap.h
@@ -31,9 +31,7 @@
 extern "C" {
 #endif /* __cplusplus */
 
-WS_DLL_PUBLIC const guint8 swaptab[256];
-
-#define BIT_SWAP(b)	(swaptab[b])
+WS_DLL_PUBLIC void bit_swap_buf_inplace(guint8 *buf, size_t len);
 
 #ifdef __cplusplus
 }
-- 
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