use qpdf::*;

fn main() {
    let usage = "crash <PDF>";
    let buf = std::fs::read(std::env::args().nth(1).expect(usage)).unwrap();

    // Works fine:
    let source = QPdf::read_from_memory(&buf).unwrap();
    let sink = QPdf::empty();
    sink.add_page(&source.get_pages().unwrap()[0], false).unwrap();

    // Segfaults:
    let source = QPdf::read_from_memory(buf).unwrap();
    let sink = QPdf::empty();
    sink.add_page(&source.get_pages().unwrap()[0], false).unwrap();
}

use qpdf::*;

fn main() {
    let usage = "crash <PDF>";
    let buf = std::fs::read(std::env::args().nth(1).expect(usage)).unwrap();

    let source = QPdf::read_from_memory(&buf).unwrap();
    let sink = QPdf::empty();

    // I understand this to make a deep copy.
    let page = sink.copy_from_foreign(&source.get_pages().unwrap()[0]);

    // So we should be able to drop source here, and we can.
    drop(source);

    // But if we drop buf, we will segfault...
    drop(buf);

    sink.add_page(page, false).unwrap();

    sink.writer()
        .static_id(true)
        .force_pdf_version("1.7")
        .normalize_content(true)
        .preserve_unreferenced_objects(false)
        .object_stream_mode(ObjectStreamMode::Preserve)
        .compress_streams(false)
        .stream_data_mode(StreamDataMode::Preserve)
        // ... while writing the PDF here:
        .write_to_memory().unwrap();
}