use the fuzz directory from nom's repository (#5499)

added in 0a499cd123

projects/nom/fuzz/Cargo.toml

@@ -1,24 +0,0 @@
-
-[package]
-name = "nom-fuzz"
-version = "0.0.0"
-authors = ["David Korczynski <david@adalogics.com>"]
-publish = false
-edition = "2018"
-
-[package.metadata]
-cargo-fuzz = true
-
-[dependencies]
-libfuzzer-sys = "0.3"
-
-[dependencies.nom]
-path = ".."
-
-# Prevent this from interfering with workspaces
-[workspace]
-members = ["."]
-
-[[bin]]
-name = "fuzz_arithmetic"
-path = "fuzz_targets/fuzz_arithmetic.rs"

projects/nom/fuzz/fuzz_targets/fuzz_arithmetic.rs

@@ -1,71 +0,0 @@
-#![no_main]
-use libfuzzer_sys::fuzz_target;
-use std::str;
-
-extern crate nom;
-
-use nom::{
-  branch::alt,
-  bytes::complete::tag,
-  character::complete::char,
-  character::complete::{digit1 as digit, space0 as space},
-  combinator::map_res,
-  multi::fold_many0,
-  sequence::{delimited, pair},
-  IResult,
-};
-
-use std::str::FromStr;
-
-fn parens(i: &str) -> IResult<&str, i64> {
-      delimited(space, delimited(tag("("), expr, tag(")")), space)(i)
-}
-
-
-fn factor(i: &str) -> IResult<&str, i64> {
-  alt((
-    map_res(delimited(space, digit, space), FromStr::from_str),
-    parens,
-  ))(i)
-}
-
-
-fn term(i: &str) -> IResult<&str, i64> {
-  let (i, init) = factor(i)?;
-
-  fold_many0(
-    pair(alt((char('*'), char('/'))), factor),
-    init,
-    |acc, (op, val): (char, i64)| {
-      if op == '*' {
-        acc * val
-      } else {
-        acc / val
-      }
-    },
-  )(i)
-}
-
-fn expr(i: &str) -> IResult<&str, i64> {
-  let (i, init) = term(i)?;
-
-  fold_many0(
-    pair(alt((char('+'), char('-'))), term),
-    init,
-    |acc, (op, val): (char, i64)| {
-      if op == '+' {
-        acc + val
-      } else {
-        acc - val
-      }
-    },
-  )(i)
-}
-
-fuzz_target!(|data: &[u8]| {
-    // fuzzed code goes here
-    let temp = match str::from_utf8(data) {
-        Ok(v) => factor(v),
-        Err(e) => factor("2"),
-    };
-});