openssh/getput.h
Damien Miller 4af51306d9 - OpenBSD CVS updates.
[ssh.1 ssh.c]
   - ssh -2
   [auth.c channels.c clientloop.c packet.c packet.h serverloop.c]
   [session.c sshconnect.c]
   - check payload for (illegal) extra data
   [ALL]
   - whitespace cleanup
2000-04-16 11:18:38 +10:00

64 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 1.3 2000/04/16 01:18:42 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 */