зеркало из https://github.com/Azure/sonic-openssh.git
64 строки
1.8 KiB
C
64 строки
1.8 KiB
C
/*
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*
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* getput.h
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*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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*
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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*
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* Created: Wed Jun 28 22:36:30 1995 ylo
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*
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* Macros for storing and retrieving data in msb first and lsb first order.
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*
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*/
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/* RCSID("$Id: getput.h,v 1.2 1999/11/24 13:26:22 damien Exp $"); */
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#ifndef GETPUT_H
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#define GETPUT_H
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/*------------ macros for storing/extracting msb first words -------------*/
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#define GET_32BIT(cp) (((unsigned long)(unsigned char)(cp)[0] << 24) | \
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((unsigned long)(unsigned char)(cp)[1] << 16) | \
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((unsigned long)(unsigned char)(cp)[2] << 8) | \
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((unsigned long)(unsigned char)(cp)[3]))
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#define GET_16BIT(cp) (((unsigned long)(unsigned char)(cp)[0] << 8) | \
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((unsigned long)(unsigned char)(cp)[1]))
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#define PUT_32BIT(cp, value) do { \
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(cp)[0] = (value) >> 24; \
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(cp)[1] = (value) >> 16; \
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(cp)[2] = (value) >> 8; \
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(cp)[3] = (value); } while (0)
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#define PUT_16BIT(cp, value) do { \
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(cp)[0] = (value) >> 8; \
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(cp)[1] = (value); } while (0)
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/*------------ macros for storing/extracting lsb first words -------------*/
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#define GET_32BIT_LSB_FIRST(cp) \
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(((unsigned long)(unsigned char)(cp)[0]) | \
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((unsigned long)(unsigned char)(cp)[1] << 8) | \
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((unsigned long)(unsigned char)(cp)[2] << 16) | \
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((unsigned long)(unsigned char)(cp)[3] << 24))
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#define GET_16BIT_LSB_FIRST(cp) \
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(((unsigned long)(unsigned char)(cp)[0]) | \
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((unsigned long)(unsigned char)(cp)[1] << 8))
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#define PUT_32BIT_LSB_FIRST(cp, value) do { \
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(cp)[0] = (value); \
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(cp)[1] = (value) >> 8; \
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(cp)[2] = (value) >> 16; \
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(cp)[3] = (value) >> 24; } while (0)
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#define PUT_16BIT_LSB_FIRST(cp, value) do { \
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(cp)[0] = (value); \
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(cp)[1] = (value) >> 8; } while (0)
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#endif /* GETPUT_H */
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