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authorJakub Zawadzki <darkjames-ws@darkjames.pl>2013-11-16 22:31:07 +0000
committerJakub Zawadzki <darkjames-ws@darkjames.pl>2013-11-16 22:31:07 +0000
commit004220fb63d9c49f5ba389a7d80d0bbde14ba11f (patch)
tree21410e677f84ba94ab90afc1dab7c4866c9596cc /wsutil/bitswap.c
parent0e029166ba5f894893c06fba315e1a7340eef156 (diff)
downloadwireshark-004220fb63d9c49f5ba389a7d80d0bbde14ba11f.tar.gz
Exporting/importing variables cause problems, so create function to do bitswaping.
svn path=/trunk/; revision=53374
Diffstat (limited to 'wsutil/bitswap.c')
-rw-r--r--wsutil/bitswap.c10
1 files changed, 9 insertions, 1 deletions
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]];
+}