Revision: 1130
http://r-gregmisc.svn.sourceforge.net/r-gregmisc/?rev=1130&view=rev
Author: warnes
Date: 2007-08-09 12:02:22 -0700 (Thu, 09 Aug 2007)
Log Message:
-----------
Remove unused swap_bytes.h
Removed Paths:
-------------
trunk/SASxport/src/swap_bytes.h
Deleted: trunk/SASxport/src/swap_bytes.h
===================================================================
--- trunk/SASxport/src/swap_bytes.h 2007-08-09 19:02:00 UTC (rev 1129)
+++ trunk/SASxport/src/swap_bytes.h 2007-08-09 19:02:22 UTC (rev 1130)
@@ -1,173 +0,0 @@
-/*
- *
- * Reverse bytes in 2, 4 and 8 byte objects
- *
- * Copyright 2000-2000 Saikat DebRoy <sa...@st...>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301 USA
- *
- */
-
-#ifndef SWAP_BYTES_H
-#define SWAP_BYTES_H
-
-#undef HAVE_GLIBC_BSWAP
-
-#ifdef HAVE_GLIBC_BSWAP /* use gnu bswap macros */
-
-#include <byteswap.h>
-
-#define swap_bytes_16(from, to) do { (to) = bswap_16(from); } while (0)
-
-#define swap_bytes_32(from, to) do { (to) = bswap_32(from); } while (0)
-
-#if defined __GNUC__ && __GNUC__ >= 2
-
-#define swap_bytes_double(from, to) \
-do { \
- union { \
- unsigned long long int u64; \
- double d; \
- } __from, __to; \
- __from.d = (from); \
- __to.u64 = bswap_64(__from.u64); \
- (to) = __to.d; \
-} while (0)
-
-#else
-
-#define swap_bytes_double(from, to) \
-do { \
- union { \
- unsigned int u32[2]; \
- double d; \
- } __from, __to; \
- __from.d = (from); \
- swap_bytes_32(__from.u32[1], __to.u32[0]); \
- swap_bytes_32(__from.u32[0], __to.u32[1]); \
- (to) = __to.d; \
-} while (0)
-
-#endif
-
-#else /* use reasonable portable definitions */
-
-#define swap_bytes_16(from, to) \
-do { \
- unsigned short __from16 = (from); \
- (to) = ((((__from16) >> 8) & 0xff) | (((__from16) & 0xff) << 8)); \
-} while (0)
-
-#define swap_bytes_32(from, to) \
-do { \
- unsigned int __from32 = (from); \
- (to) = (((__from32 & 0xff000000) >> 24) | \
- ((__from32 & 0x00ff0000) >> 8) | \
- ((__from32 & 0x0000ff00) << 8) | \
- ((__from32 & 0x000000ff) << 24)); \
-} while (0)
-
-#define swap_bytes_double(from, to) \
-do { \
- union { \
- unsigned int u32[2]; \
- double d; \
- } __from, __to; \
- __from.d = (from); \
- swap_bytes_32(__from.u32[1], __to.u32[0]); \
- swap_bytes_32(__from.u32[0], __to.u32[1]); \
- (to) = __to.d; \
-} while (0)
-#endif /* HAVE_GLIBC_BSWAP */
-
-#define swap_bytes_ushort(from, to) swap_bytes_16(from, to)
-
-#define reverse_ushort(x) swap_bytes_16(x, x)
-
-#define swap_bytes_short(from, to) \
-do { \
- union { \
- unsigned short u16; \
- short s16; \
- } __from, __to; \
- __from.s16 = (from); \
- swap_bytes_16(__from.u16, __to.u16); \
- (to) = __to.s16; \
-} while (0)
-
-#define reverse_short(x) \
-do { \
- union { \
- unsigned short u16; \
- short s16; \
- } __from, __to; \
- __from.s16 = (x); \
- swap_bytes_16(__from.u16, __to.u16); \
- (x) = __to.s16; \
-} while(0)
-
-#define swap_bytes_uint(from, to) swap_bytes_32(from, to)
-
-#define reverse_uint(x) swap_bytes_32(x, x)
-
-#define swap_bytes_int(from, to) \
-do { \
- union { \
- unsigned int u32; \
- int s32; \
- } __from, __to; \
- __from.s32 = (from); \
- swap_bytes_32(__from.u32, __to.u32); \
- (to) = __to.s32; \
-} while(0)
-
-#define reverse_int(x) \
-do { \
- union { \
- unsigned int u32; \
- int s32; \
- } __from, __to; \
- __from.s32 = (x); \
- swap_bytes_32(__from.u32, __to.u32); \
- (x) = __to.s32; \
-} while(0)
-
-#define swap_bytes_float(from, to) \
-do { \
- union { \
- unsigned int u32; \
- float f; \
- } __from, __to; \
- __from.f = (from); \
- swap_bytes_32(__from.u32, __to.u32); \
- (to) = __to.f; \
-} while(0)
-
-#define reverse_float(x) \
-do { \
- union { \
- unsigned int u32; \
- float f; \
- } __from, __to; \
- __from.f = (x); \
- swap_bytes_32(__from.u32, __to.u32); \
- (x) = __to.f; \
-} while(0)
-
-#define reverse_double(x) swap_bytes_double(x, x)
-
-#endif /* SWAP_BYTES_H */
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