internal FileStream(IntPtr handle, FileAccess access, bool ownsHandle, int bufferSize, bool isAsync, bool noBuffering)
{
this.handle = MonoIO.InvalidHandle;
if (handle == this.handle)
{
throw new ArgumentException("handle", Locale.GetText("Invalid."));
}
if (access < FileAccess.Read || access > FileAccess.ReadWrite)
{
throw new ArgumentOutOfRangeException("access");
}
MonoIOError error;
MonoFileType ftype = MonoIO.GetFileType(handle, out error);
if (error != MonoIOError.ERROR_SUCCESS)
{
throw MonoIO.GetException(name, error);
}
if (ftype == MonoFileType.Unknown)
{
throw new IOException("Invalid handle.");
}
else if (ftype == MonoFileType.Disk)
{
this.canseek = true;
}
else
{
this.canseek = false;
}
this.handle = handle;
this.access = access;
this.owner = ownsHandle;
this.async = isAsync;
#if NET_2_1 && !MONOTOUCH
// default the browser to 'all' anonymous files and let other usage (like smcs) with 'normal'
// (i.e. non-anonymous except for isolated storage) files and paths
this.anonymous = SecurityManager.SecurityEnabled;
#else
this.anonymous = false;
#endif
InitBuffer(bufferSize, noBuffering);
if (canseek)
{
buf_start = MonoIO.Seek(handle, 0, SeekOrigin.Current, out error);
if (error != MonoIOError.ERROR_SUCCESS)
{
throw MonoIO.GetException(name, error);
}
}
/* Can't set append mode */
this.append_startpos = 0;
}
private void Init(SafeFileHandle safeHandle, FileAccess access, bool ownsHandle, int bufferSize, bool isAsync, bool isConsoleWrapper)
{
if (!isConsoleWrapper && safeHandle.IsInvalid)
{
throw new ArgumentException(Environment.GetResourceString("Arg_InvalidHandle"), "handle");
}
if (access < FileAccess.Read || access > FileAccess.ReadWrite)
{
throw new ArgumentOutOfRangeException("access");
}
if (!isConsoleWrapper && bufferSize <= 0)
{
throw new ArgumentOutOfRangeException("bufferSize", Environment.GetResourceString("ArgumentOutOfRange_NeedPosNum"));
}
MonoIOError error;
MonoFileType ftype = MonoIO.GetFileType(safeHandle, out error);
if (error != MonoIOError.ERROR_SUCCESS)
{
throw MonoIO.GetException(name, error);
}
if (ftype == MonoFileType.Unknown)
{
throw new IOException("Invalid handle.");
}
else if (ftype == MonoFileType.Disk)
{
this.canseek = true;
}
else
{
this.canseek = false;
}
this.safeHandle = safeHandle;
ExposeHandle();
this.access = access;
this.owner = ownsHandle;
this.async = isAsync;
this.anonymous = false;
if (canseek)
{
buf_start = MonoIO.Seek(safeHandle, 0, SeekOrigin.Current, out error);
if (error != MonoIOError.ERROR_SUCCESS)
{
throw MonoIO.GetException(name, error);
}
}
/* Can't set append mode */
this.append_startpos = 0;
}
internal FileStream(IntPtr handle, FileAccess access, bool ownsHandle, int bufferSize, bool isAsync, bool isZeroSize)
{
this.handle = MonoIO.InvalidHandle;
if (handle == this.handle)
{
throw new ArgumentException("handle", Locale.GetText("Invalid."));
}
if (access < FileAccess.Read || access > FileAccess.ReadWrite)
{
throw new ArgumentOutOfRangeException("access");
}
MonoIOError error;
MonoFileType ftype = MonoIO.GetFileType(handle, out error);
if (error != MonoIOError.ERROR_SUCCESS)
{
throw MonoIO.GetException(name, error);
}
if (ftype == MonoFileType.Unknown)
{
throw new IOException("Invalid handle.");
}
else if (ftype == MonoFileType.Disk)
{
this.canseek = true;
}
else
{
this.canseek = false;
}
this.handle = handle;
ExposeHandle();
this.access = access;
this.owner = ownsHandle;
this.async = isAsync;
this.anonymous = false;
if (canseek)
{
buf_start = MonoIO.Seek(handle, 0, SeekOrigin.Current, out error);
if (error != MonoIOError.ERROR_SUCCESS)
{
throw MonoIO.GetException(name, error);
}
}
/* Can't set append mode */
this.append_startpos = 0;
}
