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annotate contrib/python-zstandard/zstd/deprecated/zbuff_decompress.c @ 40450:41f0529b5112 stable

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commandserver: get around ETIMEDOUT raised by selectors2 selector.select() should exits with an empty event list on timed out, but selectors2 raises OSError if timeout expires while recovering from EINTR. Spotted while debugging new chg feature.
author Yuya Nishihara <yuya@tcha.org>
date Mon, 03 Dec 2018 21:45:15 +0900
parents b1fb341d8a61
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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3 * All rights reserved.
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4 *
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5 * This source code is licensed under both the BSD-style license (found in the
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6 * LICENSE file in the root directory of this source tree) and the GPLv2 (found
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7 * in the COPYING file in the root directory of this source tree).
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8 * You may select, at your option, one of the above-listed licenses.
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9 */
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10
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12
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13 /* *************************************
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14 * Dependencies
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15 ***************************************/
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16 #define ZBUFF_STATIC_LINKING_ONLY
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17 #include "zbuff.h"
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18
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19
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20 ZBUFF_DCtx* ZBUFF_createDCtx(void)
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21 {
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22 return ZSTD_createDStream();
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23 }
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24
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25 ZBUFF_DCtx* ZBUFF_createDCtx_advanced(ZSTD_customMem customMem)
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26 {
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27 return ZSTD_createDStream_advanced(customMem);
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28 }
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29
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30 size_t ZBUFF_freeDCtx(ZBUFF_DCtx* zbd)
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31 {
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32 return ZSTD_freeDStream(zbd);
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33 }
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34
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35
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36 /* *** Initialization *** */
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37
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38 size_t ZBUFF_decompressInitDictionary(ZBUFF_DCtx* zbd, const void* dict, size_t dictSize)
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39 {
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40 return ZSTD_initDStream_usingDict(zbd, dict, dictSize);
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41 }
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42
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43 size_t ZBUFF_decompressInit(ZBUFF_DCtx* zbd)
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44 {
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45 return ZSTD_initDStream(zbd);
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46 }
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47
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48
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49 /* *** Decompression *** */
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50
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51 size_t ZBUFF_decompressContinue(ZBUFF_DCtx* zbd,
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52 void* dst, size_t* dstCapacityPtr,
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53 const void* src, size_t* srcSizePtr)
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54 {
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55 ZSTD_outBuffer outBuff;
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56 ZSTD_inBuffer inBuff;
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57 size_t result;
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58 outBuff.dst = dst;
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59 outBuff.pos = 0;
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60 outBuff.size = *dstCapacityPtr;
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61 inBuff.src = src;
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62 inBuff.pos = 0;
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63 inBuff.size = *srcSizePtr;
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64 result = ZSTD_decompressStream(zbd, &outBuff, &inBuff);
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65 *dstCapacityPtr = outBuff.pos;
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66 *srcSizePtr = inBuff.pos;
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67 return result;
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68 }
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69
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70
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71 /* *************************************
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72 * Tool functions
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73 ***************************************/
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74 size_t ZBUFF_recommendedDInSize(void) { return ZSTD_DStreamInSize(); }
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75 size_t ZBUFF_recommendedDOutSize(void) { return ZSTD_DStreamOutSize(); }