Based upon zlib, see http://www.zlib.net/ for more information.
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Bool | GetFileTime (const Filename &fn, UINT &nYear, UINT &nMonth, UINT &nDay, UINT &nHour, UINT &nMinute, UINT &nSec, Int32 lType, Bool bIsDir) |
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Bool | SetFileTime (const Filename &fn, UINT nYear, UINT nMonth, UINT nDay, UINT nHour, UINT nMinute, UINT nSec, Int32 lType, Bool bIsDir) |
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Bool | CompressDataRaw (const void *pSrcData, Int lSrcLen, void *pDestData, Int *plDestLen, Int32 lLevel) |
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Bool | UncompressDataRaw (const void *pSrcData, Int lSrcLen, void *pDestData, Int *plDestLen, Int *plRead=nullptr) |
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Bool | CompressData (const void *pSrcData, Int lSrcLen, void *&pDestData, Int &lDestLen, Int32 lLevel) |
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Bool | UncompressData (const void *pSrcData, Int lSrcLen, void *&pDestData, Int &lDestLen, Int *plRead=nullptr) |
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ZHandle * | CompressDataInit (Int32 lLevel) |
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Bool | CompressDataDoIt (ZHandle *handle, const void *pSrcData, Int lSrcLen, void *&pDestData, Int &lDestLen, Int32 lFlags) |
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void | CompressDataFree (ZHandle *&handle) |
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◆ COMPRESS_DATA_32_BYTE_PADDING
#define COMPRESS_DATA_32_BYTE_PADDING |
For CompressData(), COMPRESS_DATA_32_BYTE_PADDING
| lLevel to make lDestLen
a multiple of 32.
◆ LIBRARY_ZIPFILE
◆ ExtractDirectoryCallback
Called during file extraction.
- Parameters
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[in] | fnSrc | The source filename within the ZIP file. |
[in] | fnDest | The filename of the destination file (the extracted file). |
[in] | pData | The private data passed to ZipFile::ExtractToDirectory(). |
[in] | lInfo | The extraction info: EXTRACT_INFO |
- Returns
- The result: EXTRACT_INFO
◆ GetFileTime()
Retrieves the time of a file.
- Parameters
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[in] | fn | The file to get the time for. |
[out] | nYear | Assigned the year. |
[out] | nMonth | Assigned the month. |
[out] | nDay | Assigned the day. |
[out] | nHour | Assigned the hour. |
[out] | nMinute | Assigned the minute. |
[out] | nSec | Assigned the second. |
[in] | lType | The type of file time to get: FILETIME |
[in] | bIsDir | true for a directory. |
- Returns
- true if successful, otherwise false.
◆ SetFileTime()
Sets the time of a file.
- Parameters
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[in] | fn | The file to set the time for. |
[in] | nYear | The year. |
[in] | nMonth | The month. |
[in] | nDay | The day. |
[in] | nHour | The hour. |
[in] | nMinute | The minute. |
[in] | nSec | The second. |
[in] | lType | The type of file time to set: FILETIME |
[in] | bIsDir | true for a directory. |
- Returns
- true if successful, otherwise false.
◆ CompressDataRaw()
Bool CompressDataRaw |
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const void * |
pSrcData, |
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Int |
lSrcLen, |
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void * |
pDestData, |
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Int * |
plDestLen, |
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Int32 |
lLevel |
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) |
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Compresses data into a caller supplied buffer.
- Parameters
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[in] | pSrcData | The source data. |
[in] | lSrcLen | The source data length. |
[in,out] | pDestData | Filled with the compressed data. |
[in,out] | plDestLen | The compressed data length. The destination buffer needs to be at least 0.1% bigger than the data to compress plus 12 bytes for the header.
Updated with the actual length used. |
[in] | lLevel | The compression level, ranges from 0 (min) to 9 (max). |
- Returns
- true if successful, otherwise false.
◆ UncompressDataRaw()
Bool UncompressDataRaw |
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const void * |
pSrcData, |
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Int |
lSrcLen, |
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void * |
pDestData, |
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Int * |
plDestLen, |
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Int * |
plRead = nullptr |
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) |
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Uncompresses data into a caller supplied buffer.
- Parameters
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[in] | pSrcData | The source data. |
[in] | lSrcLen | The source data length. May not be greater than 2 GB. |
[in,out] | pDestData | Filled with the uncompressed data. The buffer needs to be big enough to fit the uncompressed data. |
[in,out] | plDestLen | The uncompressed data length. Updated with the actual length used. |
[out] | plRead | Assigned the amount of data read. |
- Returns
- true if successful, otherwise false.
◆ CompressData()
Bool CompressData |
( |
const void * |
pSrcData, |
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Int |
lSrcLen, |
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void *& |
pDestData, |
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Int & |
lDestLen, |
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Int32 |
lLevel |
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) |
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Compresses data and give the caller a pointer in pDestData to memory that must be freed with DeleteMem().
- Parameters
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[in] | pSrcData | The source data. |
[in] | lSrcLen | The source data length. May not be greater than 2 GB. |
[out] | pDestData | Assigned a pointer to the destination compressed data. Needs to be freed with DeleteMem(). |
[out] | lDestLen | Assigned the destination length. Pass COMPRESS_DATA_32_BYTE_PADDING | lLevel to make lDestLen a multiple of 32. |
[in] | lLevel | The compression level, ranges from 0 (min) to 9 (max). |
- Returns
- true if successful, otherwise false.
◆ UncompressData()
Bool UncompressData |
( |
const void * |
pSrcData, |
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Int |
lSrcLen, |
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void *& |
pDestData, |
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Int & |
lDestLen, |
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Int * |
plRead = nullptr |
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) |
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Uncompresses data and give the caller a pointer in pDestData to memory that must be freed with DeleteMem().
- Parameters
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[in] | pSrcData | The source data. |
[in] | lSrcLen | The source data length. May not be greater than 2 GB. |
[out] | pDestData | Assigned the destination data pointer. Needs to be freed with DeleteMem(). |
[out] | lDestLen | Assigned the destination length. |
[out] | plRead | Assigned the amount of data read. |
- Returns
- true if successful, otherwise false.
◆ CompressDataInit()
ZHandle* CompressDataInit |
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Int32 |
lLevel | ) |
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Initializes data compression.
- See also
- CompressDataDoIt()
- Parameters
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[in] | lLevel | The compression level, ranges from 0 (min) to 9 (max). |
- Returns
- The handle for data compression.
◆ CompressDataDoIt()
Bool CompressDataDoIt |
( |
ZHandle * |
handle, |
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const void * |
pSrcData, |
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Int |
lSrcLen, |
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void *& |
pDestData, |
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Int & |
lDestLen, |
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Int32 |
lFlags |
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) |
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Compresses data.
Example:
static ZHandle *zhandle = nullptr;
Py_UNICODE c
Definition: unicodeobject.h:1200
Py_UCS4 * res
Definition: unicodeobject.h:1113
Bool CompressDataDoIt(ZHandle *handle, const void *pSrcData, Int lSrcLen, void *&pDestData, Int &lDestLen, Int32 lFlags)
ZHandle * CompressDataInit(Int32 lLevel)
void CompressDataFree(ZHandle *&handle)
void DeleteMem(T *&p)
Definition: defaultallocator.h:257
PyObject PyObject int PyObject PyObject * l
Definition: pythonrun.h:156
- Parameters
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[in] | handle | The handle for data compression. |
[in] | pSrcData | The address to the source data. |
[in] | lSrcLen | The size of the source data block. |
[out] | pDestData | Assigned the address of the compressed data. Must be freed with DeleteMem(). |
[out] | lDestLen | Assigned the size of the compressed data block. |
[in] | lFlags | Usually 0 but can be set to COMPRESS_DATA_32_BYTE_PADDING. |
- Returns
- true if successful, otherwise false.
◆ CompressDataFree()
void CompressDataFree |
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ZHandle *& |
handle | ) |
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Frees the handle of the compressed data. See also CompressDataDoIt().
- Parameters
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[in,out] | handle | The handle for data compression to be freed. |