mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-24 10:52:05 +00:00
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
|
/*
|
||
|
|
||
|
getput.h
|
||
|
|
||
|
Author: Tatu Ylonen <ylo@cs.hut.fi>
|
||
|
|
||
|
Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
|
||
|
All rights reserved
|
||
|
|
||
|
Created: Wed Jun 28 22:36:30 1995 ylo
|
||
|
|
||
|
Macros for storing and retrieving data in msb first and lsb first order.
|
||
|
|
||
|
*/
|
||
|
|
||
|
/* RCSID("$Id: getput.h,v 1.1 1999/10/27 03:42:44 damien Exp $"); */
|
||
|
|
||
|
#ifndef GETPUT_H
|
||
|
#define GETPUT_H
|
||
|
|
||
|
/*------------ macros for storing/extracting msb first words -------------*/
|
||
|
|
||
|
#define GET_32BIT(cp) (((unsigned long)(unsigned char)(cp)[0] << 24) | \
|
||
|
((unsigned long)(unsigned char)(cp)[1] << 16) | \
|
||
|
((unsigned long)(unsigned char)(cp)[2] << 8) | \
|
||
|
((unsigned long)(unsigned char)(cp)[3]))
|
||
|
|
||
|
#define GET_16BIT(cp) (((unsigned long)(unsigned char)(cp)[0] << 8) | \
|
||
|
((unsigned long)(unsigned char)(cp)[1]))
|
||
|
|
||
|
#define PUT_32BIT(cp, value) do { \
|
||
|
(cp)[0] = (value) >> 24; \
|
||
|
(cp)[1] = (value) >> 16; \
|
||
|
(cp)[2] = (value) >> 8; \
|
||
|
(cp)[3] = (value); } while (0)
|
||
|
|
||
|
#define PUT_16BIT(cp, value) do { \
|
||
|
(cp)[0] = (value) >> 8; \
|
||
|
(cp)[1] = (value); } while (0)
|
||
|
|
||
|
/*------------ macros for storing/extracting lsb first words -------------*/
|
||
|
|
||
|
#define GET_32BIT_LSB_FIRST(cp) \
|
||
|
(((unsigned long)(unsigned char)(cp)[0]) | \
|
||
|
((unsigned long)(unsigned char)(cp)[1] << 8) | \
|
||
|
((unsigned long)(unsigned char)(cp)[2] << 16) | \
|
||
|
((unsigned long)(unsigned char)(cp)[3] << 24))
|
||
|
|
||
|
#define GET_16BIT_LSB_FIRST(cp) \
|
||
|
(((unsigned long)(unsigned char)(cp)[0]) | \
|
||
|
((unsigned long)(unsigned char)(cp)[1] << 8))
|
||
|
|
||
|
#define PUT_32BIT_LSB_FIRST(cp, value) do { \
|
||
|
(cp)[0] = (value); \
|
||
|
(cp)[1] = (value) >> 8; \
|
||
|
(cp)[2] = (value) >> 16; \
|
||
|
(cp)[3] = (value) >> 24; } while (0)
|
||
|
|
||
|
#define PUT_16BIT_LSB_FIRST(cp, value) do { \
|
||
|
(cp)[0] = (value); \
|
||
|
(cp)[1] = (value) >> 8; } while (0)
|
||
|
|
||
|
#endif /* GETPUT_H */
|
||
|
|