diff options
author | markm <markm@FreeBSD.org> | 2000-02-24 14:29:47 +0000 |
---|---|---|
committer | markm <markm@FreeBSD.org> | 2000-02-24 14:29:47 +0000 |
commit | fc557ff7d97438559e69347575f5aa8ef03a5f50 (patch) | |
tree | c90ea5392aa03e7619696143bde781f2bf5c0dff /crypto/openssh/compress.h | |
download | FreeBSD-src-fc557ff7d97438559e69347575f5aa8ef03a5f50.zip FreeBSD-src-fc557ff7d97438559e69347575f5aa8ef03a5f50.tar.gz |
Vendor import of OpenSSH.
Diffstat (limited to 'crypto/openssh/compress.h')
-rw-r--r-- | crypto/openssh/compress.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/crypto/openssh/compress.h b/crypto/openssh/compress.h new file mode 100644 index 0000000..4e9c598 --- /dev/null +++ b/crypto/openssh/compress.h @@ -0,0 +1,50 @@ +/* + * + * compress.h + * + * Author: Tatu Ylonen <ylo@cs.hut.fi> + * + * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland + * All rights reserved + * + * Created: Wed Oct 25 22:12:46 1995 ylo + * + * Interface to packet compression for ssh. + * + */ + +/* RCSID("$Id: compress.h,v 1.3 1999/11/24 19:53:46 markus Exp $"); */ + +#ifndef COMPRESS_H +#define COMPRESS_H + +/* + * Initializes compression; level is compression level from 1 to 9 (as in + * gzip). + */ +void buffer_compress_init(int level); + +/* Frees any data structures allocated by buffer_compress_init. */ +void buffer_compress_uninit(); + +/* + * Compresses the contents of input_buffer into output_buffer. All packets + * compressed using this function will form a single compressed data stream; + * however, data will be flushed at the end of every call so that each + * output_buffer can be decompressed independently (but in the appropriate + * order since they together form a single compression stream) by the + * receiver. This appends the compressed data to the output buffer. + */ +void buffer_compress(Buffer * input_buffer, Buffer * output_buffer); + +/* + * Uncompresses the contents of input_buffer into output_buffer. All packets + * uncompressed using this function will form a single compressed data + * stream; however, data will be flushed at the end of every call so that + * each output_buffer. This must be called for the same size units that the + * buffer_compress was called, and in the same order that buffers compressed + * with that. This appends the uncompressed data to the output buffer. + */ +void buffer_uncompress(Buffer * input_buffer, Buffer * output_buffer); + +#endif /* COMPRESS_H */ |