private int Ext1File(FileStream fs, FileTableInf fti, string tgtDir)
{
//Print("生成:"+fti.archNm+"/"+System.IO.Path.GetDirectoryName(fti.fileNm));
if (!Directory.Exists(tgtDir + "/" + fti.archNm + "/" + Path.GetDirectoryName(fti.fileNm)))
{
Directory.CreateDirectory(tgtDir + "/" + fti.archNm + "/" + Path.GetDirectoryName(fti.fileNm));
}
using (FileStream fw = File.Create(tgtDir + "/" + fti.archNm + "/" + fti.fileNm)) {
byte[] tmpBuf = new byte[fti.compLen];
ReadFile(fs, tmpBuf, fti.dataPos, fti.compLen);
if (fti.compLen == fti.deplLen)
{
nonCompExtnt.Add(Path.GetExtension(fti.fileNm));
fw.Write(tmpBuf, 0, fti.compLen);
return(0);
}
IpfCrypt ic = new IpfCrypt();
//DumpBuf(tmpBuf, 32);
ic.DecryptBuf(tmpBuf);
//DumpBuf(tmpBuf, 32);
using (Stream memStrm = new MemoryStream(tmpBuf)) {
using (var deflStrm = new DeflateStream(memStrm, CompressionMode.Decompress)) {
byte[] readBuf = new byte[4096];
int readSize = 0;
for (int readPos = 0; ; readPos += readSize)
{
readSize = deflStrm.Read(readBuf, 0, readBuf.Length);
if (readSize == 0)
{
break;
}
fw.Write(readBuf, 0, readSize);
}
}
}
}
return(0);
}
