IO::Buffer#inspect

VALUE
rb_io_buffer_inspect(VALUE self)
{
    struct rb_io_buffer_view *buffer = get_io_buffer_view(self);

    VALUE result = rb_io_buffer_to_s(self);

    void *base = NULL;
    size_t total = 0;
    if (io_buffer_try_get_bytes(buffer, &base, &total) && base) {
        // Limit the maximum size generated by inspect:
        size_t size = buffer->size;
        int clamped = 0;

        if (size > RB_IO_BUFFER_INSPECT_HEXDUMP_MAXIMUM_SIZE) {
            size = RB_IO_BUFFER_INSPECT_HEXDUMP_MAXIMUM_SIZE;
            clamped = 1;
        }

        io_buffer_hexdump(result, RB_IO_BUFFER_INSPECT_HEXDUMP_WIDTH, base, size, 0, 0);

        if (clamped) {
            rb_str_catf(result, "\n(and %" PRIuSIZE " more bytes not printed)", buffer->size - size);
        }
    }

    return result;
}