fn SendBytesToFile()

in releases/rust/db_esdk/src/dafny_libraries.rs [172:213]

• 40 lines of code
• 1 McCabe index (conditional complexity)

        fn SendBytesToFile(
            path: &::dafny_runtime::Sequence<::dafny_runtime::DafnyCharUTF16>,
            bytes: &::dafny_runtime::Sequence<u8>,
            append: bool,
        ) -> (
            bool,
            ::dafny_runtime::Sequence<::dafny_runtime::DafnyCharUTF16>,
        ) {
            let file_name = dafny_runtime::dafny_runtime_conversions::unicode_chars_false::dafny_string_to_string(path);
            let path = Path::new(&file_name);

            let maybe_file = std::fs::OpenOptions::new()
                .append(append)
                .write(true)
                .create(true)
                .truncate(!append)
                .open(path);
            let mut file = match maybe_file {
                Err(why) => {
                    let err_msg = format!(
                        "couldn't open {} for writing from {}: {}",
                        path.display(),
                        curr_dir(),
                        why
                    );
                    let err_msg = dafny_runtime::dafny_runtime_conversions::unicode_chars_false::string_to_dafny_string(&err_msg);
                    return (true, err_msg);
                }
                Ok(file) => file,
            };

            let bytes = bytes.to_array();
            match file.write_all(&bytes) {
                Err(why) => {
                    let err_msg =
                        format!("couldn't write all bytes to {}: {}", path.display(), why);
                    let err_msg = dafny_runtime::dafny_runtime_conversions::unicode_chars_false::string_to_dafny_string(&err_msg);
                    (true, err_msg)
                }
                Ok(_) => (false, dafny_runtime::Sequence::default()),
            }
        }