gecko-dev/xpcom/io/nsIInputStream.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsIBaseStream.idl"
[scriptable, uuid(022396f0-93b5-11d1-895b-006008911b81)]
interface nsIInputStream : nsIBaseStream
{
/** Return the number of bytes currently available in the stream
* @param aLength out parameter to hold the number of bytes
* if an error occurs, the parameter will be undefined
* @return error status
*/
unsigned long Available();
/** Read data from the stream.
* @param aBuf the buffer into which the data is read
* @param aCount the maximum number of bytes to read
* @return aReadCount out parameter to hold the number of
* bytes read, eof if 0. if an error occurs, the
* read count will be undefined
*/
[noscript] unsigned long Read(in charStar buf, in unsigned long count);
};