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1 | /* $OpenBSD: getput.h,v 1.8 2002/03/04 17:27:39 stevesk Exp $ */ |
| 2 | |
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3 | /* |
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4 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
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5 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 6 | * All rights reserved |
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7 | * Macros for storing and retrieving data in msb first and lsb first order. |
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8 | * |
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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". |
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14 | */ |
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15 | |
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16 | #ifndef GETPUT_H |
| 17 | #define GETPUT_H |
| 18 | |
| 19 | /*------------ macros for storing/extracting msb first words -------------*/ |
| 20 | |
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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 | |
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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])) |
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34 | |
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35 | #define GET_16BIT(cp) (((u_long)(u_char)(cp)[0] << 8) | \ |
| 36 | ((u_long)(u_char)(cp)[1])) |
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37 | |
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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 | |
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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 | |
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58 | #endif /* GETPUT_H */ |
andersk / openssh.git / blame