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https://github.com/dingusdev/dingusppc.git
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38669fd83b
size_t and off_t are 32-bit values in Emscripten, which causes issues with disk images larger than 4GB. Use the explicit type (which is more consistent with the rest of the codebase anyway).
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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uint64_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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uint64_t ImgFile::read(void* buf, uint64_t offset, uint64_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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uint64_t ImgFile::write(const void* buf, uint64_t offset, uint64_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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