diffutils/fuzz/fuzz_targets/fuzz_side.rs at 9983fb21cd68b3173d6f6418e7c4c61e0106b67e · uutils/diffutils · GitHub

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#![no_main]
#[macro_use]
extern crate libfuzzer_sys;

use diffutilslib::side_diff::{self, Params};

use std::fs::File;
use std::io::Write;

fuzz_target!(|x: (Vec<u8>, Vec<u8>, /* usize, usize */ bool)| {
    let (original, new, /* width, tabsize, */ expand) = x;

    // if width == 0 || tabsize == 0 {
    //     return;
    // }

    let params = Params {
        // width,
        // tabsize,
        expand_tabs: expand,
        ..Default::default()
    };
    let mut output_buf = vec![];
    side_diff::diff(
        &original,
        &new,
        &mut output_buf,
        &Params {
            width: params.width,
            tabsize: params.tabsize,
            expand_tabs: params.expand_tabs,
        },
    );
    File::create("target/fuzz.file.original")
        .unwrap()
        .write_all(&original)
        .unwrap();
    File::create("target/fuzz.file.new")
        .unwrap()
        .write_all(&new)
        .unwrap();
    File::create("target/fuzz.file")
        .unwrap()
        .write_all(&original)
        .unwrap();
    File::create("target/fuzz.diff")
        .unwrap()
        .write_all(&output_buf)
        .unwrap();
});