// Pipeline: TarWriter -> GzipFilter -> FileWriter
// Windows-specific mode mapping header.mode[0] = '0'; header.mode[1] = info.isReadOnly ? '4' : '6'; strcpy(header.magic, "ustar"); tar utility for windows
return true;
Supported via dynamically loaded DLLs (zlib1.dll, libbz2.dll, liblzma.dll) or static linking. 5.1 Alternate Data Streams (ADS) Extended tar format using filename:streamname syntax: // Pipeline: TarWriter -> GzipFilter -> FileWriter //
On extraction, recreate ADS via CreateFile with filename:streamname . POSIX mode → NTFS conversion: POSIX mode → NTFS conversion: | POSIX bits
| POSIX bits | Windows mapping | |------------|----------------| | 0400 (owner read) | FILE_GENERIC_READ for owner SID | | 0200 (owner write) | FILE_GENERIC_WRITE | | 0100 (owner exec) | Treat .exe/.com/.bat specially | | 0040 (group read) | Not directly mappable → set inherit flag |
if (hdr.typeflag == '0' Use streaming architecture to avoid loading entire archive into memory: