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74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/*
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* Copyright (c) 2003-2004, Artem B. Bityuckiy
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __ICONV_CES_ENDIAN_H__
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#define __ICONV_CES_ENDIAN_H__
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#include <sys/param.h>
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#if (BYTE_ORDER == LITTLE_ENDIAN)
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# define ICONV_BETOHS(s) \
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((((s) << 8) & 0xFF00) | (((s) >> 8) & 0x00FF))
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# define ICONV_BETOHL(l) \
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((((l) << 24) & 0xFF000000) | \
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(((l) << 8) & 0x00FF0000) | \
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(((l) >> 8) & 0x0000FF00) | \
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(((l) >> 24) & 0x000000FF))
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# define ICONV_LETOHS(s) (s)
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# define ICONV_LETOHL(l) (l)
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# define ICONV_HTOLES(s) ICONV_LETOHS (s)
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# define ICONV_HTOLEL(l) ICONV_LETOHL (l)
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# define ICONV_HTOBES(s) ICONV_BETOHS (s)
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# define ICONV_HTOBEL(l) ICONV_BETOHL (l)
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#elif (BYTE_ORDER == BIG_ENDIAN)
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# define ICONV_BETOHS(s) (s)
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# define ICONV_BETOHL(l) (l)
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# define ICONV_LETOHS(s) \
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((((s) << 8) & 0xFF00) | (((s) >> 8) & 0x00FF))
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# define ICONV_LETOHL(l) \
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((((l) << 24) & 0xFF000000) | \
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(((l) << 8) & 0x00FF0000) | \
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(((l) >> 8) & 0x0000FF00) | \
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(((l) >> 24) & 0x000000FF))
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# define ICONV_HTOBES(s) ICONV_BETOHS (s)
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# define ICONV_HTOBEL(l) ICONV_BETOHL (l)
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# define ICONV_HTOLES(s) ICONV_LETOHS (s)
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# define ICONV_HTOLEL(l) ICONV_LETOHL (l)
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#else
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# error "Unknown byte order."
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#endif
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#endif /* !__ICONV_CES_ENDIAN_H__ */
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