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authorMark Murray <markm@FreeBSD.org>2000-02-24 14:29:47 +0000
committerMark Murray <markm@FreeBSD.org>2000-02-24 14:29:47 +0000
commit511b41d2a18c00a5f0db1a67a87ef8d831b19f2a (patch)
treec90ea5392aa03e7619696143bde781f2bf5c0dff /crypto/openssh/compress.h
downloadsrc-511b41d2a18c00a5f0db1a67a87ef8d831b19f2a.tar.gz
src-511b41d2a18c00a5f0db1a67a87ef8d831b19f2a.zip
Vendor import of OpenSSH.vendor/openssh/1.2-2000-02-24
Notes
Notes: svn path=/vendor-crypto/openssh/dist/; revision=57429 svn path=/vendor-crypto/openssh/1.2-2000-02-24/; revision=57431; tag=vendor/openssh/1.2-2000-02-24
Diffstat (limited to 'crypto/openssh/compress.h')
-rw-r--r--crypto/openssh/compress.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/crypto/openssh/compress.h b/crypto/openssh/compress.h
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+/*
+ *
+ * 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 */