/usr/include/bobcat/ofdstreambuf is in libbobcat-dev 4.08.02-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | #ifndef INCLUDED_BOBCAT_OFDSTREAMBUF_
#define INCLUDED_BOBCAT_OFDSTREAMBUF_
#include <streambuf>
namespace FBB
{    
class OFdStreambuf: public std::streambuf
{
    public:
            // Mode defines what to do with the file descriptor at
            // destruction-time or when the default open is
            // called. CLOSE_FD will close the fd, KEEP_FD will leave the
            // fd as-is. When open is called with a Mode argument, then
            // the provided argument is used for the actual fd. The Mode
            // specified at the constructor is therefore only used for the
            // mode-less open() call and for the destructor.
        enum Mode
        {
            CLOSE_FD,
            KEEP_FD,
        };
    private:
        Mode        d_mode;
        size_t      d_n;
        int         d_fd;
        char       *d_buffer;
    public:
        OFdStreambuf();
        explicit OFdStreambuf(Mode mode);
        explicit OFdStreambuf(int fd, size_t n = 1);
        OFdStreambuf(int fd, Mode mode, size_t n = 1);
        OFdStreambuf(OFdStreambuf const &other) = delete;
        virtual ~OFdStreambuf();
        OFdStreambuf &operator=(OFdStreambuf const &other) = delete;
        void open(int fd, Mode mode, size_t n = 1);
        void open(int fd, size_t n = 1);                    // .f
        int fd() const;                                     // .f
        void close();                                       // .f
    protected:
        int pSync();                                        // .f
    private:
        int sync() override;
        int overflow(int c) override;
        void cleanup(Mode mode);
};
inline void OFdStreambuf::close()
{
    cleanup(CLOSE_FD);
}
inline int OFdStreambuf::fd() const
{
    return d_fd;
}
inline void OFdStreambuf::open(int fd, size_t n)
{
    open(fd, d_mode, n);
}
inline int OFdStreambuf::pSync()
{
    return sync();
}
} // FBB
#endif
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