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annotate contrib/python-zstandard/zstd/common/zstd_common.c @ 53040:cdd7bf612c7b stable tip

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bundle-spec: properly format boolean parameter (issue6960) This was breaking automatic clone bundle generation. This changeset fixes it and add a test to catch it in the future.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Tue, 11 Mar 2025 02:29:42 +0100
parents 675775c33ab6
children
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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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13 /*-*************************************
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14 * Dependencies
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15 ***************************************/
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16 #include <stdlib.h> /* malloc, calloc, free */
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17 #include <string.h> /* memset */
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18 #include "error_private.h"
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19 #include "zstd_internal.h"
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22 /*-****************************************
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23 * Version
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24 ******************************************/
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25 unsigned ZSTD_versionNumber(void) { return ZSTD_VERSION_NUMBER; }
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26
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27 const char* ZSTD_versionString(void) { return ZSTD_VERSION_STRING; }
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30 /*-****************************************
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31 * ZSTD Error Management
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32 ******************************************/
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33 #undef ZSTD_isError /* defined within zstd_internal.h */
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34 /*! ZSTD_isError() :
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35 * tells if a return value is an error code
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36 * symbol is required for external callers */
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37 unsigned ZSTD_isError(size_t code) { return ERR_isError(code); }
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38
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39 /*! ZSTD_getErrorName() :
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40 * provides error code string from function result (useful for debugging) */
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41 const char* ZSTD_getErrorName(size_t code) { return ERR_getErrorName(code); }
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42
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43 /*! ZSTD_getError() :
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44 * convert a `size_t` function result into a proper ZSTD_errorCode enum */
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45 ZSTD_ErrorCode ZSTD_getErrorCode(size_t code) { return ERR_getErrorCode(code); }
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46
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47 /*! ZSTD_getErrorString() :
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48 * provides error code string from enum */
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49 const char* ZSTD_getErrorString(ZSTD_ErrorCode code) { return ERR_getErrorString(code); }
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50
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53 /*=**************************************************************
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54 * Custom allocator
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55 ****************************************************************/
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56 void* ZSTD_malloc(size_t size, ZSTD_customMem customMem)
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57 {
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58 if (customMem.customAlloc)
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59 return customMem.customAlloc(customMem.opaque, size);
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60 return malloc(size);
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61 }
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62
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63 void* ZSTD_calloc(size_t size, ZSTD_customMem customMem)
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64 {
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65 if (customMem.customAlloc) {
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66 /* calloc implemented as malloc+memset;
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67 * not as efficient as calloc, but next best guess for custom malloc */
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68 void* const ptr = customMem.customAlloc(customMem.opaque, size);
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69 memset(ptr, 0, size);
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70 return ptr;
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71 }
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72 return calloc(1, size);
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73 }
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74
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75 void ZSTD_free(void* ptr, ZSTD_customMem customMem)
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76 {
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77 if (ptr!=NULL) {
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78 if (customMem.customFree)
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79 customMem.customFree(customMem.opaque, ptr);
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80 else
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81 free(ptr);
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82 }
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83 }