diffutils/fuzz/fuzz_targets/fuzz_side.rs

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

use diffutilslib::side_diff;

use std::fs::{self, File};
use std::io::Write;
use diffutilslib::params::Params;

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()
    };
    fs::create_dir_all("target").unwrap();
    let mut output_buf = vec![];
    side_diff::diff(&original, &new, &mut output_buf, &params);
    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();
});