# HG changeset patch
# User jbe
# Date 1502705257 -7200
# Node ID fa902b26589f5fe4e420e1df5ebc038dd0d1a469
# Parent  01f53490f26228b2eaf55e0ba560a4bb6869a0fc
Removed endianess detection from moonhash_sha.c and created byteorder.h for that purpose instead

diff -r 01f53490f262 -r fa902b26589f libraries/moonhash/byteorder.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libraries/moonhash/byteorder.h	Mon Aug 14 12:07:37 2017 +0200
@@ -0,0 +1,24 @@
+/* Defines LITTLE_ENDIAN_DETECTED if system follows little endian byte order
+   scheme. Does not define anything if endianess could not be determined. */
+
+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+#  include <sys/endian.h>
+#  if defined(_BYTE_ORDER) && defined(_LITTLE_ENDIAN)
+#    if _BYTE_ORDER == _LITTLE_ENDIAN
+#      define LITTLE_ENDIAN_DETECTED
+#    endif
+#  else
+#    warning Could not determine endianess on BSD platform, revert to fail safe.
+#  endif
+#elif defined(__linux__)
+#  include <endian.h>
+#  if defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN)
+#    if __BYTE_ORDER == __LITTLE_ENDIAN
+#      define LITTLE_ENDIAN_DETECTED
+#    endif
+#  else
+#    warning Could not determine endianess on Linux platform, revert to fail safe.
+#  endif
+#else
+#  warning Could not determine endianess, revert to fail safe.
+#endif
diff -r 01f53490f262 -r fa902b26589f libraries/moonhash/moonhash_sha3.c
--- a/libraries/moonhash/moonhash_sha3.c	Sun Aug 13 14:55:50 2017 +0200
+++ b/libraries/moonhash/moonhash_sha3.c	Mon Aug 14 12:07:37 2017 +0200
@@ -1,20 +1,7 @@
 /* This file is derived from "Keccak-more-compact.c", which has been downloaded from <https://github.com/gvanas/KeccakCodePackage/blob/10856bc1922a1ee2c4d2822a88b9ef8fb5059932/Standalone/CompactFIPS202/Keccak-more-compact.c>. The original file "Keccak-more-compact.c" has, according to <https://github.com/gvanas/KeccakCodePackage/blob/10856bc1922a1ee2c4d2822a88b9ef8fb5059932/README.markdown>, been put into the public domain. */
 
 #include <stdint.h>
-
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
-#include <sys/endian.h>
-#if defined(_BYTE_ORDER) && defined(_LITTLE_ENDIAN) && _BYTE_ORDER == _LITTLE_ENDIAN
-#define MOONHASH_LITTLE_ENDIAN
-#endif
-#elif defined(__linux__)
-#include <endian.h>
-#if defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN
-#define MOONHASH_LITTLE_ENDIAN
-#endif
-#else
-#warning Could not determine endianess, revert to fail safe.
-#endif
+#include "byteorder.h"
 
 #define FOR(i,n) for(i=0; i<n; ++i)
 typedef uint8_t u8;
@@ -31,7 +18,7 @@
 
 static int LFSR86540(u8 *R) { (*R)=((*R)<<1)^(((*R)&0x80)?0x71:0); return ((*R)&2)>>1; }
 #define ROL(a,o) ((((u64)a)<<o)^(((u64)a)>>(64-o)))
-#ifdef MOONHASH_LITTLE_ENDIAN
+#ifdef LITTLE_ENDIAN_DETECTED
 #define load64(src) (*(uint64_t *)(src))
 #define store64(dst, src) do { *(uint64_t *)(dst) = src; } while (0)
 #define xor64(dst, src) do { *(uint64_t *)(dst) ^= src; } while (0)