private void CreateFci(long maxArchiveSize)
{
NativeMethods.FCI.CCAB ccab = new NativeMethods.FCI.CCAB();
if (maxArchiveSize > 0 && maxArchiveSize < ccab.cb)
{
ccab.cb = Math.Max(
NativeMethods.FCI.MIN_DISK, (int)maxArchiveSize);
}
object maxFolderSizeOption = context.GetOption(
"maxFolderSize", null);
if (maxFolderSizeOption != null)
{
long maxFolderSize = Convert.ToInt64(
maxFolderSizeOption, CultureInfo.InvariantCulture);
if (maxFolderSize > 0 && maxFolderSize < ccab.cbFolderThresh)
{
ccab.cbFolderThresh = (int)maxFolderSize;
}
}
maxCabBytes = ccab.cb;
ccab.szCab = context.GetArchiveName(0);
if (ccab.szCab == null)
{
throw new FileNotFoundException(
"Cabinet name not provided by stream context.");
}
ccab.setID = (short)new Random().Next(
Int16.MinValue, Int16.MaxValue + 1);
CabNumbers[ccab.szCab] = 0;
currentArchiveName = ccab.szCab;
totalArchives = 1;
CabStream = null;
Erf.Clear();
fciHandle = NativeMethods.FCI.Create(
ErfHandle.AddrOfPinnedObject(),
fciFilePlacedHandler,
fciAllocMemHandler,
fciFreeMemHandler,
fciOpenStreamHandler,
fciReadStreamHandler,
fciWriteStreamHandler,
fciCloseStreamHandler,
fciSeekStreamHandler,
fciDeleteFileHandler,
fciGetTempFileHandler,
ccab,
IntPtr.Zero);
CheckError(false);
}
private int CabGetNextCabinet(IntPtr pccab, uint prevCabSize, IntPtr pv)
{
NativeMethods.FCI.CCAB nextCcab = new NativeMethods.FCI.CCAB();
Marshal.PtrToStructure(pccab, nextCcab);
nextCcab.szDisk = String.Empty;
nextCcab.szCab = context.GetArchiveName(nextCcab.iCab);
CabNumbers[nextCcab.szCab] = (short)nextCcab.iCab;
NextCabinetName = nextCcab.szCab;
Marshal.StructureToPtr(nextCcab, pccab, false);
return(1);
}