61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
/*
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Copyright (c) 2015 Anton Titov.
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Copyright (c) 2015 pCloud Ltd. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met: Redistributions of source code must retain the above
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copyright notice, this list of conditions and the following
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disclaimer. Redistributions in binary form must reproduce the
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above copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution. Neither the name of pCloud Ltd nor the
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names of its contributors may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL pCloud
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Ltd BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGE.
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*/
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#ifndef _PSYNC_COMPRESSION_H
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#define _PSYNC_COMPRESSION_H
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struct _psync_deflate_t;
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typedef struct _psync_deflate_t psync_deflate_t;
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#define PSYNC_DEFLATE_DECOMPRESS 0
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#define PSYNC_DEFLATE_COMP_FASTEST 1
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#define PSYNC_DEFLATE_COMP_FAST 2
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#define PSYNC_DEFLATE_COMP_MED 6
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#define PSYNC_DEFLATE_COMP_BEST 9
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#define PSYNC_DEFLATE_NOFLUSH 0
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#define PSYNC_DEFLATE_FLUSH 1
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#define PSYNC_DEFLATE_FLUSH_END 2
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#define PSYNC_DEFLATE_NODATA -1
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#define PSYNC_DEFLATE_FULL -2
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#define PSYNC_DEFLATE_ERROR -3
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#define PSYNC_DEFLATE_EOF 0
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psync_deflate_t *pdeflate_init(int level);
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void pdeflate_destroy(psync_deflate_t *def);
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int pdeflate_write(psync_deflate_t *def, const void *data, int len, int flush);
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int pdeflate_read(psync_deflate_t *def, void *data, int len);
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int pdeflate_pending(psync_deflate_t *def);
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#endif
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