mirror of
https://github.com/dingusdev/dingusppc.git
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d4c9db7fcf
Allows different implementations for different platforms (the JS build relies on browser APIs to stream disk images over the network). Setting aside the JS build, this also reduces some code duplication.
68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-23 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <utils/imgfile.h>
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#include <fstream>
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class ImgFile::Impl {
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public:
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std::fstream stream;
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};
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ImgFile::ImgFile(): impl(std::make_unique<Impl>())
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{
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}
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ImgFile::~ImgFile() = default;
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bool ImgFile::open(const std::string &img_path)
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{
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impl->stream.open(img_path, std::ios::in | std::ios::out | std::ios::binary);
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return !impl->stream.fail();
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}
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void ImgFile::close()
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{
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impl->stream.close();
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}
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size_t ImgFile::size() const
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{
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impl->stream.seekg(0, impl->stream.end);
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return impl->stream.tellg();
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}
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size_t ImgFile::read(void* buf, off_t offset, size_t length) const
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{
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impl->stream.seekg(offset, std::ios::beg);
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impl->stream.read((char *)buf, length);
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return impl->stream.gcount();
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}
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size_t ImgFile::write(const void* buf, off_t offset, size_t length)
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{
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impl->stream.seekg(offset, std::ios::beg);
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impl->stream.write((const char *)buf, length);
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return impl->stream.gcount();
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}
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