1/*
| 1/*
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2 *
| 2 *
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3 * compress.h
| 3 * compress.h
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4 *
| 4 *
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5 * Author: Tatu Ylonen <ylo@cs.hut.fi>
| 5 * Author: Tatu Ylonen <ylo@cs.hut.fi>
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6 *
| 6 *
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7 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 8 * All rights reserved
| 7 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 8 * All rights reserved
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9 *
| 9 *
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10 * Created: Wed Oct 25 22:12:46 1995 ylo
| 10 * Created: Wed Oct 25 22:12:46 1995 ylo
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11 *
| 11 *
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12 * Interface to packet compression for ssh.
| 12 * Interface to packet compression for ssh.
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13 *
| 13 *
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14 */ 15
| 14 */ 15
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16/* RCSID("$Id: compress.h,v 1.3 1999/11/24 19:53:46 markus Exp $"); */
| 16/* RCSID("$Id: compress.h,v 1.4 2000/04/14 10:30:31 markus Exp $"); */
|
17 18#ifndef COMPRESS_H 19#define COMPRESS_H 20 21/* 22 * Initializes compression; level is compression level from 1 to 9 (as in 23 * gzip). 24 */ 25void buffer_compress_init(int level); 26 27/* Frees any data structures allocated by buffer_compress_init. */ 28void buffer_compress_uninit(); 29 30/* 31 * Compresses the contents of input_buffer into output_buffer. All packets 32 * compressed using this function will form a single compressed data stream; 33 * however, data will be flushed at the end of every call so that each 34 * output_buffer can be decompressed independently (but in the appropriate 35 * order since they together form a single compression stream) by the 36 * receiver. This appends the compressed data to the output buffer. 37 */ 38void buffer_compress(Buffer * input_buffer, Buffer * output_buffer); 39 40/* 41 * Uncompresses the contents of input_buffer into output_buffer. All packets 42 * uncompressed using this function will form a single compressed data 43 * stream; however, data will be flushed at the end of every call so that 44 * each output_buffer. This must be called for the same size units that the 45 * buffer_compress was called, and in the same order that buffers compressed 46 * with that. This appends the uncompressed data to the output buffer. 47 */ 48void buffer_uncompress(Buffer * input_buffer, Buffer * output_buffer); 49 50#endif /* COMPRESS_H */
| 17 18#ifndef COMPRESS_H 19#define COMPRESS_H 20 21/* 22 * Initializes compression; level is compression level from 1 to 9 (as in 23 * gzip). 24 */ 25void buffer_compress_init(int level); 26 27/* Frees any data structures allocated by buffer_compress_init. */ 28void buffer_compress_uninit(); 29 30/* 31 * Compresses the contents of input_buffer into output_buffer. All packets 32 * compressed using this function will form a single compressed data stream; 33 * however, data will be flushed at the end of every call so that each 34 * output_buffer can be decompressed independently (but in the appropriate 35 * order since they together form a single compression stream) by the 36 * receiver. This appends the compressed data to the output buffer. 37 */ 38void buffer_compress(Buffer * input_buffer, Buffer * output_buffer); 39 40/* 41 * Uncompresses the contents of input_buffer into output_buffer. All packets 42 * uncompressed using this function will form a single compressed data 43 * stream; however, data will be flushed at the end of every call so that 44 * each output_buffer. This must be called for the same size units that the 45 * buffer_compress was called, and in the same order that buffers compressed 46 * with that. This appends the uncompressed data to the output buffer. 47 */ 48void buffer_uncompress(Buffer * input_buffer, Buffer * output_buffer); 49 50#endif /* COMPRESS_H */
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