函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\zstd\decompress.c Create Date:2022-07-27 08:05:34
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：ZSTD_createDDict_advanced

函数原型：static ZSTD_DDict *ZSTD_createDDict_advanced(const void *dict, size_t dictSize, unsigned byReference, ZSTD_customMem customMem)

返回类型：ZSTD_DDict

参数：

类型参数名称
const void *dict
size_tdictSize
unsignedbyReference
ZSTD_customMemcustomMem
2042  如果非customAlloc或非customFree则返回:NULL
2046  ddict等于ZSTD_malloc(sizeof(ZSTD_DDict), customMem)
2047  如果非ddict则返回:NULL
2049  cMem等于customMem
2051  如果byReference或非dict或非dictSize则
2052  dictBuffer = NULL
2053  dictContent等于dict
2054  否则
2055  internalBuffer等于ZSTD_malloc(dictSize, customMem)
2056  如果非internalBuffer则
2057  ZSTD_freeDDict(ddict)
2058  返回:NULL
2060  内存复制(internalBuffer, dict, dictSize)
2061  dictBuffer等于internalBuffer
2062  dictContent等于internalBuffer
2064  dictSize等于dictSize
2065  hufTable[0]等于HufLog乘0x1000001
2068  errorCode等于ZSTD_loadEntropy_inDDict(ddict)
2069  如果ZSTD_isError() - tells if a size_t function result is an error code*@code: The function result to check for error.* Return: Non-zero iff the code is an error.则
2070  ZSTD_freeDDict(ddict)
2071  返回:NULL
2075  返回:ddict
调用者
名称描述
ZSTD_initDDict! ZSTD_initDDict() :* Create a digested dictionary, to start decompression without startup delay.* `dict` content is copied inside DDict.* Consequently, `dict` can be released after `ZSTD_DDict` creation