46 lines
1.4 KiB
Rust
46 lines
1.4 KiB
Rust
//! ```cargo
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//! [dependencies]
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//! ar = "0.6.2"
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//! ```
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use std::io::Read;
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// 64 gives Invalid file size field in entry header
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// 32 gives unexpected EOF in the middle of archive entry header
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const METADATA_LEN: usize = 64;
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fn main() {
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let mut builder = ar::Builder::new(std::fs::File::create("test.a").expect("create"));
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// Remove this append and there is no problem.
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let header = ar::Header::new(b"core-fc675.rcgu.o".to_vec(), 0);
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// Remove any of the characters in the filename and ! from will show up in the error message.
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// Making it shorter than 17 chars will fix the problem though.
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builder.append(&header, &mut (&[] as &[u8])).expect("add rcgu");
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let mut buf: Vec<u8> = vec!['!' as u8; 28];
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buf.extend(b"hello worl");
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buf.extend(&['*' as u8; 26] as &[u8]);
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assert!(buf.len() >= METADATA_LEN);
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let header = ar::Header::new(b"rust.metadata.bin".to_vec(), METADATA_LEN as u64);
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builder.append(&header, &mut (&buf[0..METADATA_LEN])).expect("add meta");
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std::mem::drop(builder);
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// Remove this ranlib invocation and there is no problem.
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/*assert!(
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std::process::Command::new("ranlib")
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.arg("test.a")
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.status()
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.expect("Couldn't run ranlib")
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.success()
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);*/
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let mut archive = ar::Archive::new(std::fs::File::open("test.a").expect("open"));
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while let Some(entry) = archive.next_entry() {
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entry.unwrap();
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}
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}
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