86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
/***************************************************************************
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* Copyright (C) 2004, 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef TYPES_H
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#define TYPES_H
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#include "config.h"
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#ifndef u8
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typedef unsigned char u8;
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#endif
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#ifndef u16
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typedef unsigned short u16;
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#endif
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#ifndef u32
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typedef unsigned int u32;
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#endif
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#ifdef WORDS_BIGENDIAN /* big endian host */
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#define le_to_h_u32(x) (u32)(x[0] | x[1] << 8 | x[2] << 16 | x[3] << 24)
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#define le_to_h_u16(x) (u16)(x[0] | x[1] << 8)
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#define be_to_h_u32(x) (*(u32*)(x))
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#define be_to_h_u16(x) (*(u16*)(x))
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#define h_u32_to_le(buf, val) \
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do { \
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buf[3] = (val & 0xff000000) >> 24; \
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buf[2] = (val & 0x00ff0000) >> 16; \
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buf[1] = (val & 0x0000ff00) >> 8; \
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buf[0] = (val & 0x000000ff); \
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} while (0)
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#define h_u16_to_le(buf, val) \
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do { \
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buf[0] = (val & 0xff000) >> 8; \
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buf[1] = (val & 0x00ff); \
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} while (0)
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#define h_u32_to_be(buf, val) do { *(u32*)(buf) = (val); } while (0)
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#define h_u16_to_be(buf, val) do { *(u16*)(buf) = (val); } while (0)
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#else /* little endian host */
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#define le_to_h_u32(x) (*(u32*)(x))
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#define le_to_h_u16(x) (*(u16*)(x))
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#define be_to_h_u32(x) (u32)(x[3] | x[2] << 8 | x[1] << 16 | x[0] << 24)
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#define be_to_h_u16(x) (u16)(x[1] | x[0] << 8)
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#define h_u32_to_le(buf, val) do { *(u32*)(buf) = (val); } while (0)
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#define h_u16_to_le(buf, val) do { *(u16*)(buf) = (val); } while (0)
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#define h_u32_to_be(buf, val) \
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do { \
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buf[0] = (val & 0xff000000) >> 24; \
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buf[1] = (val & 0x00ff0000) >> 16; \
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buf[2] = (val & 0x0000ff00) >> 8; \
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buf[3] = (val & 0x000000ff); \
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} while (0)
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#define h_u16_to_be(buf, val) \
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do { \
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buf[0] = (val & 0xff000) >> 8; \
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buf[1] = (val & 0x00ff); \
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} while (0)
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#endif
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#endif /* TYPES_H */
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