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8efc0c15 | 1 | /* |
6ae2364d | 2 | * |
5260325f | 3 | * bufaux.h |
6ae2364d | 4 | * |
5260325f | 5 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
6ae2364d | 6 | * |
5260325f | 7 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
8 | * All rights reserved | |
6ae2364d | 9 | * |
5260325f | 10 | * Created: Wed Mar 29 02:18:23 1995 ylo |
6ae2364d | 11 | * |
5260325f | 12 | */ |
8efc0c15 | 13 | |
14 | /* RCSID("$Id$"); */ | |
15 | ||
16 | #ifndef BUFAUX_H | |
17 | #define BUFAUX_H | |
18 | ||
19 | #include "buffer.h" | |
20 | ||
aa3378df | 21 | /* |
22 | * Stores an BIGNUM in the buffer with a 2-byte msb first bit count, followed | |
23 | * by (bits+7)/8 bytes of binary data, msb first. | |
24 | */ | |
5260325f | 25 | void buffer_put_bignum(Buffer * buffer, BIGNUM * value); |
7368a6c8 | 26 | void buffer_put_bignum2(Buffer * buffer, BIGNUM * value); |
8efc0c15 | 27 | |
28 | /* Retrieves an BIGNUM from the buffer. */ | |
5260325f | 29 | int buffer_get_bignum(Buffer * buffer, BIGNUM * value); |
7368a6c8 | 30 | int buffer_get_bignum2(Buffer *buffer, BIGNUM * value); |
8efc0c15 | 31 | |
32 | /* Returns an integer from the buffer (4 bytes, msb first). */ | |
5260325f | 33 | unsigned int buffer_get_int(Buffer * buffer); |
8efc0c15 | 34 | |
35 | /* Stores an integer in the buffer in 4 bytes, msb first. */ | |
5260325f | 36 | void buffer_put_int(Buffer * buffer, unsigned int value); |
8efc0c15 | 37 | |
38 | /* Returns a character from the buffer (0 - 255). */ | |
5260325f | 39 | int buffer_get_char(Buffer * buffer); |
8efc0c15 | 40 | |
41 | /* Stores a character in the buffer. */ | |
5260325f | 42 | void buffer_put_char(Buffer * buffer, int value); |
8efc0c15 | 43 | |
aa3378df | 44 | /* |
45 | * Returns an arbitrary binary string from the buffer. The string cannot be | |
46 | * longer than 256k. The returned value points to memory allocated with | |
47 | * xmalloc; it is the responsibility of the calling function to free the | |
48 | * data. If length_ptr is non-NULL, the length of the returned data will be | |
49 | * stored there. A null character will be automatically appended to the | |
50 | * returned string, and is not counted in length. | |
51 | */ | |
5260325f | 52 | char *buffer_get_string(Buffer * buffer, unsigned int *length_ptr); |
8efc0c15 | 53 | |
54 | /* Stores and arbitrary binary string in the buffer. */ | |
5260325f | 55 | void buffer_put_string(Buffer * buffer, const void *buf, unsigned int len); |
7368a6c8 | 56 | void buffer_put_cstring(Buffer *buffer, const char *s); |
8efc0c15 | 57 | |
5260325f | 58 | #endif /* BUFAUX_H */ |