Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1 | /* |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2 | * |
| 3 | * bufaux.h |
| 4 | * |
| 5 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| 6 | * |
| 7 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 8 | * All rights reserved |
| 9 | * |
| 10 | * Created: Wed Mar 29 02:18:23 1995 ylo |
| 11 | * |
| 12 | */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 13 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 14 | /* RCSID("$Id: bufaux.h,v 1.2 1999/11/24 13:26:22 damien Exp $"); */ |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 15 | |
| 16 | #ifndef BUFAUX_H |
| 17 | #define BUFAUX_H |
| 18 | |
| 19 | #include "buffer.h" |
| 20 | |
| 21 | /* Stores an BIGNUM in the buffer with a 2-byte msb first bit count, followed |
| 22 | by (bits+7)/8 bytes of binary data, msb first. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 23 | void buffer_put_bignum(Buffer * buffer, BIGNUM * value); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 24 | |
| 25 | /* Retrieves an BIGNUM from the buffer. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 26 | int buffer_get_bignum(Buffer * buffer, BIGNUM * value); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 27 | |
| 28 | /* Returns an integer from the buffer (4 bytes, msb first). */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 29 | unsigned int buffer_get_int(Buffer * buffer); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 30 | |
| 31 | /* Stores an integer in the buffer in 4 bytes, msb first. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 32 | void buffer_put_int(Buffer * buffer, unsigned int value); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 33 | |
| 34 | /* Returns a character from the buffer (0 - 255). */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 35 | int buffer_get_char(Buffer * buffer); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 36 | |
| 37 | /* Stores a character in the buffer. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 38 | void buffer_put_char(Buffer * buffer, int value); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 39 | |
| 40 | /* Returns an arbitrary binary string from the buffer. The string cannot |
| 41 | be longer than 256k. The returned value points to memory allocated |
| 42 | with xmalloc; it is the responsibility of the calling function to free |
| 43 | the data. If length_ptr is non-NULL, the length of the returned data |
| 44 | will be stored there. A null character will be automatically appended |
| 45 | to the returned string, and is not counted in length. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 46 | char *buffer_get_string(Buffer * buffer, unsigned int *length_ptr); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 47 | |
| 48 | /* Stores and arbitrary binary string in the buffer. */ |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 49 | void buffer_put_string(Buffer * buffer, const void *buf, unsigned int len); |
Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 50 | |
Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 51 | #endif /* BUFAUX_H */ |