/usr/include/roslz4/lz4s.h is in libroslz4-dev 1.13.5+ds1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Software License Agreement (BSD License)
*
* Copyright (c) 2014, Ben Charrow
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Willow Garage, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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********************************************************************/
#ifndef ROSLZ4_LZ4S_H
#define ROSLZ4_LZ4S_H
#include <lz4.h>
#ifdef __cplusplus
extern "C" {
#endif
// Return codes
const int ROSLZ4_MEMORY_ERROR = -5;
const int ROSLZ4_PARAM_ERROR = -4;
const int ROSLZ4_DATA_ERROR = -3;
const int ROSLZ4_OUTPUT_SMALL = -2;
const int ROSLZ4_ERROR = -1;
const int ROSLZ4_OK = 0;
const int ROSLZ4_STREAM_END = 2;
// Actions
const int ROSLZ4_RUN = 0;
const int ROSLZ4_FINISH = 1;
typedef struct {
char *input_next;
int input_left;
char *output_next;
int output_left;
int total_in;
int total_out;
int block_size_id;
// Internal use
void *state;
} roslz4_stream;
// Low level functions
int roslz4_blockSizeFromIndex(int block_id);
int roslz4_compressStart(roslz4_stream *stream, int block_size_id);
int roslz4_compress(roslz4_stream *stream, int action);
void roslz4_compressEnd(roslz4_stream *stream);
int roslz4_decompressStart(roslz4_stream *stream);
int roslz4_decompress(roslz4_stream *stream);
void roslz4_decompressEnd(roslz4_stream *str);
// Oneshot compression / decompression
int roslz4_buffToBuffCompress(char *input, unsigned int input_size,
char *output, unsigned int *output_size,
int block_size_id);
int roslz4_buffToBuffDecompress(char *input, unsigned int input_size,
char *output, unsigned int *output_size);
#ifdef __cplusplus
}
#endif
#endif // ROSLZ4_LZ4S_H
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