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#pragma once
#include "../../PreConfig.h"
#ifndef CRU_PLATFORM_UNIX
#error "This file can only be included on unix."
#endif
#include "../../io/Stream.h"
namespace cru::platform::unix {
class UnixFileStream : public io::Stream {
private:
static constexpr auto kLogTag = u"cru::platform::unix::UnixFileStream";
public:
UnixFileStream(const char* path, int oflag, mode_t mode = 0660);
UnixFileStream(int fd, bool can_seek, bool can_read, bool can_write,
bool auto_close);
~UnixFileStream() override;
public:
CRU_STREAM_IMPLEMENT_CLOSE_BY_DO_CLOSE
int GetFileDescriptor() const { return file_descriptor_; }
protected:
Index DoSeek(Index offset, SeekOrigin origin = SeekOrigin::Current) override;
Index DoRead(std::byte* buffer, Index offset, Index size) override;
Index DoWrite(const std::byte* buffer, Index offset, Index size) override;
private:
void DoClose();
private:
int file_descriptor_; // -1 for no file descriptor
bool auto_close_;
};
} // namespace cru::platform::unix
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