src/usr.bin/ssh/compress.h - diff

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version 1.2, 1999/11/24 00:26:01

version 1.3, 1999/11/24 19:53:46

Line 18

#ifndef COMPRESS_H

#define COMPRESS_H

/* Initializes compression; level is compression level from 1 to 9 (as in

gzip). */

* 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

* Compresses the contents of input_buffer into output_buffer. All packets

compressed data stream; however, data will be flushed at the end of

* compressed using this function will form a single compressed data stream;

every call so that each output_buffer can be decompressed

* however, data will be flushed at the end of every call so that each

independently (but in the appropriate order since they together

* output_buffer can be decompressed independently (but in the appropriate

form a single compression stream) by the receiver. This appends

* order since they together form a single compression stream) by the

the compressed data to the output buffer. */

* 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

* Uncompresses the contents of input_buffer into output_buffer. All packets

compressed data stream; however, data will be flushed at the end of

* uncompressed using this function will form a single compressed data

every call so that each output_buffer. This must be called for the

* stream; however, data will be flushed at the end of every call so that

same size units that the buffer_compress was called, and in the

* each output_buffer. This must be called for the same size units that the

same order that buffers compressed with that. This appends the

* buffer_compress was called, and in the same order that buffers compressed

uncompressed data to the output buffer. */

* with that. This appends the uncompressed data to the output buffer.

void buffer_uncompress(Buffer * input_buffer, Buffer * output_buffer);

#endif /* COMPRESS_H */