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-rw-r--r--contrib/libvcd/bytesex.h145
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diff --git a/contrib/libvcd/bytesex.h b/contrib/libvcd/bytesex.h
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+/*
+ $Id: bytesex.h,v 1.2 2004/04/11 12:20:32 miguelfreitas Exp $
+
+ Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
+
+ 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef __VCD_BYTESEX_H__
+#define __VCD_BYTESEX_H__
+
+#include <cdio/cdio.h>
+#include <libvcd/types.h>
+#include <libvcd/logging.h>
+
+/* Private includes */
+#include "bytesex_asm.h"
+
+/* generic byteswap routines */
+
+#define UINT16_SWAP_LE_BE_C(val) ((uint16_t) ( \
+ (((uint16_t) (val) & (uint16_t) 0x00ffU) << 8) | \
+ (((uint16_t) (val) & (uint16_t) 0xff00U) >> 8)))
+
+#define UINT32_SWAP_LE_BE_C(val) ((uint32_t) ( \
+ (((uint32_t) (val) & (uint32_t) 0x000000ffU) << 24) | \
+ (((uint32_t) (val) & (uint32_t) 0x0000ff00U) << 8) | \
+ (((uint32_t) (val) & (uint32_t) 0x00ff0000U) >> 8) | \
+ (((uint32_t) (val) & (uint32_t) 0xff000000U) >> 24)))
+
+#define UINT64_SWAP_LE_BE_C(val) ((uint64_t) ( \
+ (((uint64_t) (val) & (uint64_t) UINT64_C(0x00000000000000ff)) << 56) | \
+ (((uint64_t) (val) & (uint64_t) UINT64_C(0x000000000000ff00)) << 40) | \
+ (((uint64_t) (val) & (uint64_t) UINT64_C(0x0000000000ff0000)) << 24) | \
+ (((uint64_t) (val) & (uint64_t) UINT64_C(0x00000000ff000000)) << 8) | \
+ (((uint64_t) (val) & (uint64_t) UINT64_C(0x000000ff00000000)) >> 8) | \
+ (((uint64_t) (val) & (uint64_t) UINT64_C(0x0000ff0000000000)) >> 24) | \
+ (((uint64_t) (val) & (uint64_t) UINT64_C(0x00ff000000000000)) >> 40) | \
+ (((uint64_t) (val) & (uint64_t) UINT64_C(0xff00000000000000)) >> 56)))
+
+#ifndef UINT16_SWAP_LE_BE
+# define UINT16_SWAP_LE_BE UINT16_SWAP_LE_BE_C
+#endif
+
+#ifndef UINT32_SWAP_LE_BE
+# define UINT32_SWAP_LE_BE UINT32_SWAP_LE_BE_C
+#endif
+
+#ifndef UINT64_SWAP_LE_BE
+# define UINT64_SWAP_LE_BE UINT64_SWAP_LE_BE_C
+#endif
+
+inline static
+uint16_t uint16_swap_le_be (const uint16_t val)
+{
+ return UINT16_SWAP_LE_BE (val);
+}
+
+inline static
+uint32_t uint32_swap_le_be (const uint32_t val)
+{
+ return UINT32_SWAP_LE_BE (val);
+}
+
+inline static
+uint64_t uint64_swap_le_be (const uint64_t val)
+{
+ return UINT64_SWAP_LE_BE (val);
+}
+
+# define UINT8_TO_BE(val) ((uint8_t) (val))
+# define UINT8_TO_LE(val) ((uint8_t) (val))
+#ifdef WORDS_BIGENDIAN
+# define UINT16_TO_BE(val) ((uint16_t) (val))
+# define UINT16_TO_LE(val) ((uint16_t) UINT16_SWAP_LE_BE(val))
+
+# define UINT32_TO_BE(val) ((uint32_t) (val))
+# define UINT32_TO_LE(val) ((uint32_t) UINT32_SWAP_LE_BE(val))
+
+# define UINT64_TO_BE(val) ((uint64_t) (val))
+# define UINT64_TO_LE(val) ((uint64_t) UINT64_SWAP_LE_BE(val))
+#else
+# define UINT16_TO_BE(val) ((uint16_t) UINT16_SWAP_LE_BE(val))
+# define UINT16_TO_LE(val) ((uint16_t) (val))
+
+# define UINT32_TO_BE(val) ((uint32_t) UINT32_SWAP_LE_BE(val))
+# define UINT32_TO_LE(val) ((uint32_t) (val))
+
+# define UINT64_TO_BE(val) ((uint64_t) UINT64_SWAP_LE_BE(val))
+# define UINT64_TO_LE(val) ((uint64_t) (val))
+#endif
+
+/* symmetric conversions */
+#define UINT8_FROM_BE(val) (UINT8_TO_BE (val))
+#define UINT8_FROM_LE(val) (UINT8_TO_LE (val))
+#define UINT16_FROM_BE(val) (UINT16_TO_BE (val))
+#define UINT16_FROM_LE(val) (UINT16_TO_LE (val))
+#define UINT32_FROM_BE(val) (UINT32_TO_BE (val))
+#define UINT32_FROM_LE(val) (UINT32_TO_LE (val))
+#define UINT64_FROM_BE(val) (UINT64_TO_BE (val))
+#define UINT64_FROM_LE(val) (UINT64_TO_LE (val))
+
+/* converter function template */
+#define CVT_TO_FUNC(bits) \
+ static inline uint ## bits ## _t \
+ uint ## bits ## _to_be (uint ## bits ## _t val) \
+ { return UINT ## bits ## _TO_BE (val); } \
+ static inline uint ## bits ## _t \
+ uint ## bits ## _to_le (uint ## bits ## _t val) \
+ { return UINT ## bits ## _TO_LE (val); } \
+
+CVT_TO_FUNC(8)
+CVT_TO_FUNC(16)
+CVT_TO_FUNC(32)
+CVT_TO_FUNC(64)
+
+#undef CVT_TO_FUNC
+
+#define uint16_from_be(val) (uint16_to_be (val))
+#define uint16_from_le(val) (uint16_to_le (val))
+#define uint32_from_be(val) (uint32_to_be (val))
+#define uint32_from_le(val) (uint32_to_le (val))
+
+#endif /* __VCD_BYTESEX_H__ */
+
+
+/*
+ * Local variables:
+ * c-file-style: "gnu"
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ */