From: Felix Morgner <felix.morgner@gmail.com>
Date: Thu, 24 Apr 2014 11:58:18 +0000 (+0200)
Subject: Cleanup of the byteorder patch
X-Git-Url: http://git.code-monkey.de/?p=umurmur.git;a=commitdiff_plain;h=27da14ea2abe5680ddfcffbf2a59be5f5a67cecd

Cleanup of the byteorder patch

This version of the patch, while technically the same, is a little
cleaner in code. It seems to be working on NetBSD, MOX and Linux.
---

diff --git a/src/byteorder.h b/src/byteorder.h
new file mode 100644
index 0000000..685ce65
--- /dev/null
+++ b/src/byteorder.h
@@ -0,0 +1,69 @@
+/* Copyright (C) 2014, Felix Morgner <felix.morgner@gmail.com>
+
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   - Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+   - Redistributions in binary form must reproduce the above copyright notice,
+     this list of conditions and the following disclaimer in the documentation
+     and/or other materials provided with the distribution.
+   - Neither the name of the Developers nor the names of its contributors may
+     be used to endorse or promote products derived from this software without
+     specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef BYTEORDER_H_
+#define BYTEORDER_H_
+
+#include <stdint.h>
+
+#if defined(NETBSD) || defined(FREEBSD) || defined(OPENBSD) || defined(MACOSX)
+#include <machine/endian.h>
+#if BYTE_ORDER == BIG_ENDIAN
+#define BYTE_ORDER_BIG_ENDIAN
+#endif // BYTE_ORDER == BIG_ENDIAN
+#elif defined(LINUX)
+#include <endian.h>
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define BYTE_ORDER_BIG_ENDIAN
+#endif // __BYTE_ORDER == __BIG_ENDIAN
+#endif // defined(NETBSD) || defined(FREEBSD) || defined(OPENBSD)
+
+#if defined(__LP64__)
+#define BLOCKSIZE 2
+#define SHIFTBITS 63
+typedef uint64_t subblock;
+#if defined(BYTE_ORDER_BIG_ENDIAN)
+#define SWAPPED(x) (x)
+#elif defined( __x86_64__)
+#define SWAPPED(x) ({register uint64_t __out, __in = (x); __asm__("bswap %q0" : "=r"(__out) : "0"(__in)); __out;})
+#else
+#include <byteswap.h>
+#define SWAPPED(x) bswap_64(x)
+#endif // defined(BYTE_ORDER_BIG_ENDIAN)
+#else
+#define BLOCKSIZE 4
+#define SHIFTBITS 31
+typedef uint32_t subblock;
+#define SWAPPED(x) htonl(x)
+#endif // defined(__LP64__)
+
+#define HIGHBIT (1<<SHIFTBITS);
+
+#endif // BYTEORDER_H_
diff --git a/src/crypt.c b/src/crypt.c
index 6eb87b4..ad93dd8 100644
--- a/src/crypt.c
+++ b/src/crypt.c
@@ -215,34 +215,6 @@ bool_t CryptState_decrypt(cryptState_t *cs, const unsigned char *source, unsigne
 	return true;
 }
 
-#if defined(__LP64__)
-#define BLOCKSIZE 2
-#define SHIFTBITS 63
-typedef uint64_t subblock;
-
-#if CRYPT_BE
-#define SWAPPED(x) (x)
-#else
-#ifdef __x86_64__
-#define SWAPPED(x) ({register uint64_t __out, __in = (x); __asm__("bswap %q0" : "=r"(__out) : "0"(__in)); __out;})
-#else
-#include <byteswap.h>
-#define SWAPPED(x) bswap_64(x)
-#endif
-#endif
-
-#else
-
-#define BLOCKSIZE 4
-#define SHIFTBITS 31
-typedef uint32_t subblock;
-#define SWAPPED(x) htonl(x)
-
-#endif
-
-#define HIGHBIT (1<<SHIFTBITS);
-
-
 static void inline XOR(subblock *dst, const subblock *a, const subblock *b) {
 	int i;
 	for (i=0;i<BLOCKSIZE;i++) {
diff --git a/src/crypt.h b/src/crypt.h
index 300563e..0a4030c 100644
--- a/src/crypt.h
+++ b/src/crypt.h
@@ -31,20 +31,7 @@
 #ifndef CRYPTSTATE_H_34564356
 #define CRYPTSTATE_H_34564356
 
-#ifdef NETBSD
-#include <machine/endian.h>
-#if BYTE_ORDER == BIG_ENDIAN
-#define CRYPT_BE
-#endif
-#endif
-
-#ifdef LINUX
-#include <endian.h>
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define CRYPT_BE
-#endif
-#endif
-
+#include "byteorder.h"
 #include "config.h"
 
 #ifdef USE_POLARSSL