all repos — mgba @ 54ef61f715d59e50429a3b3982c7f32e56b7b8eb

mGBA Game Boy Advance Emulator

src/platform/qt/VFileDevice.cpp (view raw)

 1/* Copyright (c) 2013-2014 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#include "VFileDevice.h"
 7
 8extern "C" {
 9#include "util/vfs.h"
10}
11
12using namespace QGBA;
13
14VFileDevice::VFileDevice(VFile* vf, QObject* parent)
15	: QIODevice(parent)
16	, m_vf(vf)
17{
18	// Nothing to do
19}
20
21qint64 VFileDevice::readData(char* data, qint64 maxSize) {
22	return m_vf->read(m_vf, data, maxSize);
23}
24
25qint64 VFileDevice::writeData(const char* data, qint64 maxSize) {
26	return m_vf->write(m_vf, data, maxSize);
27}
28
29qint64 VFileDevice::size() const {
30	// TODO: Add size method to VFile so this can be actually const
31	ssize_t pos = m_vf->seek(m_vf, 0, SEEK_CUR);
32	qint64 size = m_vf->seek(m_vf, 0, SEEK_END);
33	m_vf->seek(m_vf, pos, SEEK_SET);
34	return size;
35}