mirror of git://anongit.mindrot.org/openssh.git
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/*
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compress.h
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Author: Tatu Ylonen <ylo@cs.hut.fi>
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Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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All rights reserved
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Created: Wed Oct 25 22:12:46 1995 ylo
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Interface to packet compression for ssh.
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*/
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/* RCSID("$Id: compress.h,v 1.1 1999/10/27 03:42:44 damien Exp $"); */
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#ifndef COMPRESS_H
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#define COMPRESS_H
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/* Initializes compression; level is compression level from 1 to 9 (as in
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gzip). */
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void buffer_compress_init(int level);
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/* Frees any data structures allocated by buffer_compress_init. */
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void buffer_compress_uninit();
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/* Compresses the contents of input_buffer into output_buffer. All
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packets compressed using this function will form a single
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compressed data stream; however, data will be flushed at the end of
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every call so that each output_buffer can be decompressed
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independently (but in the appropriate order since they together
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form a single compression stream) by the receiver. This appends
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the compressed data to the output buffer. */
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void buffer_compress(Buffer *input_buffer, Buffer *output_buffer);
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/* Uncompresses the contents of input_buffer into output_buffer. All
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packets uncompressed using this function will form a single
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compressed data stream; however, data will be flushed at the end of
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every call so that each output_buffer. This must be called for the
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same size units that the buffer_compress was called, and in the
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same order that buffers compressed with that. This appends the
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uncompressed data to the output buffer. */
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void buffer_uncompress(Buffer *input_buffer, Buffer *output_buffer);
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#endif /* COMPRESS_H */
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