From c04dcc2e7d834218ef2d4194331e383402495ae1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 20:07:22 +0200 Subject: Adding upstream version 2:20.4+dfsg. Signed-off-by: Daniel Baumann --- xbmc/interfaces/legacy/File.cpp | 61 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 xbmc/interfaces/legacy/File.cpp (limited to 'xbmc/interfaces/legacy/File.cpp') diff --git a/xbmc/interfaces/legacy/File.cpp b/xbmc/interfaces/legacy/File.cpp new file mode 100644 index 0000000..4c0ca68 --- /dev/null +++ b/xbmc/interfaces/legacy/File.cpp @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2005-2018 Team Kodi + * This file is part of Kodi - https://kodi.tv + * + * SPDX-License-Identifier: GPL-2.0-or-later + * See LICENSES/README.md for more information. + */ + +#include "File.h" + +namespace XBMCAddon +{ + namespace xbmcvfs + { + XbmcCommons::Buffer File::readBytes(unsigned long numBytes) + { + DelayedCallGuard dg(languageHook); + int64_t size = file->GetLength(); + if ((!numBytes || (((int64_t)numBytes) > size)) && (size >= 0)) + numBytes = (unsigned long) size; + + + XbmcCommons::Buffer ret(numBytes); + + if (numBytes == 0) + return ret; + + while(ret.remaining() > 0) + { + ssize_t bytesRead = file->Read(ret.curPosition(), ret.remaining()); + if (bytesRead <= 0) // we consider this a failure or a EOF, can't tell which, + { // return whatever we have already. + ret.flip(); + return ret; + } + ret.forward(bytesRead); + } + ret.flip(); + return ret; + } + + bool File::write(XbmcCommons::Buffer& buffer) + { + DelayedCallGuard dg(languageHook); + while (buffer.remaining() > 0) + { + ssize_t bytesWritten = file->Write( buffer.curPosition(), buffer.remaining()); + if (bytesWritten == 0) // this could be a failure (see HDFile, and XFileUtils) or + // it could mean something else when a negative number means an error + // (see CCurlFile). There is no consistency so we can only assume we're + // done when we get a 0. + return false; + else if (bytesWritten < 0) // But, if we get something less than zero, we KNOW it's an error. + return false; + buffer.forward(bytesWritten);// Otherwise, we advance the buffer by the amount written. + } + return true; + } + + } +} -- cgit v1.2.3