Annotation of src/usr.bin/ssh/getput.h, Revision 1.9
1.9 ! djm 1: /* $OpenBSD: getput.h,v 1.8 2002/03/04 17:27:39 stevesk Exp $ */
1.8 stevesk 2:
1.1 deraadt 3: /*
1.2 deraadt 4: * Author: Tatu Ylonen <ylo@cs.hut.fi>
5: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6: * All rights reserved
7: * Macros for storing and retrieving data in msb first and lsb first order.
1.3 markus 8: *
1.5 deraadt 9: * As far as I am concerned, the code I have written for this software
10: * can be used freely for any purpose. Any derived versions of this
11: * software must be clearly marked as such, and if the derived work is
12: * incompatible with the protocol description in the RFC file, it must be
13: * called by a name other than "ssh" or "Secure Shell".
1.2 deraadt 14: */
1.1 deraadt 15:
16: #ifndef GETPUT_H
17: #define GETPUT_H
18:
19: /*------------ macros for storing/extracting msb first words -------------*/
20:
1.7 markus 21: #define GET_64BIT(cp) (((u_int64_t)(u_char)(cp)[0] << 56) | \
22: ((u_int64_t)(u_char)(cp)[1] << 48) | \
23: ((u_int64_t)(u_char)(cp)[2] << 40) | \
24: ((u_int64_t)(u_char)(cp)[3] << 32) | \
25: ((u_int64_t)(u_char)(cp)[4] << 24) | \
26: ((u_int64_t)(u_char)(cp)[5] << 16) | \
27: ((u_int64_t)(u_char)(cp)[6] << 8) | \
28: ((u_int64_t)(u_char)(cp)[7]))
29:
1.6 markus 30: #define GET_32BIT(cp) (((u_long)(u_char)(cp)[0] << 24) | \
31: ((u_long)(u_char)(cp)[1] << 16) | \
32: ((u_long)(u_char)(cp)[2] << 8) | \
33: ((u_long)(u_char)(cp)[3]))
1.1 deraadt 34:
1.6 markus 35: #define GET_16BIT(cp) (((u_long)(u_char)(cp)[0] << 8) | \
36: ((u_long)(u_char)(cp)[1]))
1.1 deraadt 37:
1.7 markus 38: #define PUT_64BIT(cp, value) do { \
39: (cp)[0] = (value) >> 56; \
40: (cp)[1] = (value) >> 48; \
41: (cp)[2] = (value) >> 40; \
42: (cp)[3] = (value) >> 32; \
43: (cp)[4] = (value) >> 24; \
44: (cp)[5] = (value) >> 16; \
45: (cp)[6] = (value) >> 8; \
46: (cp)[7] = (value); } while (0)
47:
1.1 deraadt 48: #define PUT_32BIT(cp, value) do { \
49: (cp)[0] = (value) >> 24; \
50: (cp)[1] = (value) >> 16; \
51: (cp)[2] = (value) >> 8; \
52: (cp)[3] = (value); } while (0)
53:
54: #define PUT_16BIT(cp, value) do { \
55: (cp)[0] = (value) >> 8; \
56: (cp)[1] = (value); } while (0)
57:
1.2 deraadt 58: #endif /* GETPUT_H */