/* $NetBSD: getput.h,v 1.1.1.2 2001/01/14 04:50:19 itojun Exp $ */ /* * Author: Tatu Ylonen * Copyright (c) 1995 Tatu Ylonen , Espoo, Finland * All rights reserved * Macros for storing and retrieving data in msb first and lsb first order. * * As far as I am concerned, the code I have written for this software * can be used freely for any purpose. Any derived versions of this * software must be clearly marked as such, and if the derived work is * incompatible with the protocol description in the RFC file, it must be * called by a name other than "ssh" or "Secure Shell". */ /* from OpenBSD: getput.h,v 1.6 2000/12/19 23:17:56 markus Exp */ #ifndef GETPUT_H #define GETPUT_H /*------------ macros for storing/extracting msb first words -------------*/ #define GET_32BIT(cp) (((u_long)(u_char)(cp)[0] << 24) | \ ((u_long)(u_char)(cp)[1] << 16) | \ ((u_long)(u_char)(cp)[2] << 8) | \ ((u_long)(u_char)(cp)[3])) #define GET_16BIT(cp) (((u_long)(u_char)(cp)[0] << 8) | \ ((u_long)(u_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) \ (((u_long)(u_char)(cp)[0]) | \ ((u_long)(u_char)(cp)[1] << 8) | \ ((u_long)(u_char)(cp)[2] << 16) | \ ((u_long)(u_char)(cp)[3] << 24)) #define GET_16BIT_LSB_FIRST(cp) \ (((u_long)(u_char)(cp)[0]) | \ ((u_long)(u_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 */