From e96cc73d9bb683a3e7049094312ad8f40c183dce Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 20 Mar 2017 12:42:01 +1100
Subject: [PATCH] Add cargo-fuzz script for regex-syntax

---
 regex-syntax/fuzz/.gitignore                  |  5 +++++
 regex-syntax/fuzz/Cargo.toml                  | 22 +++++++++++++++++++
 .../fuzz/fuzzers/fuzzer_script_parse.rs       | 13 +++++++++++
 3 files changed, 40 insertions(+)
 create mode 100644 regex-syntax/fuzz/.gitignore
 create mode 100644 regex-syntax/fuzz/Cargo.toml
 create mode 100644 regex-syntax/fuzz/fuzzers/fuzzer_script_parse.rs

diff --git a/regex-syntax/fuzz/.gitignore b/regex-syntax/fuzz/.gitignore
new file mode 100644
index 0000000000..dfeb7db191
--- /dev/null
+++ b/regex-syntax/fuzz/.gitignore
@@ -0,0 +1,5 @@
+
+target
+libfuzzer
+corpus
+artifacts
diff --git a/regex-syntax/fuzz/Cargo.toml b/regex-syntax/fuzz/Cargo.toml
new file mode 100644
index 0000000000..51067b562f
--- /dev/null
+++ b/regex-syntax/fuzz/Cargo.toml
@@ -0,0 +1,22 @@
+
+[package]
+name = "regex-syntax-fuzz"
+version = "0.0.1"
+authors = ["Automatically generated"]
+publish = false
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies.regex-syntax]
+path = ".."
+[dependencies.libfuzzer-sys]
+git = "https://github.com/rust-fuzz/libfuzzer-sys.git"
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[[bin]]
+name = "fuzzer_script_parse"
+path = "fuzzers/fuzzer_script_parse.rs"
diff --git a/regex-syntax/fuzz/fuzzers/fuzzer_script_parse.rs b/regex-syntax/fuzz/fuzzers/fuzzer_script_parse.rs
new file mode 100644
index 0000000000..badd1c857b
--- /dev/null
+++ b/regex-syntax/fuzz/fuzzers/fuzzer_script_parse.rs
@@ -0,0 +1,13 @@
+#![no_main]
+extern crate libfuzzer_sys;
+extern crate regex_syntax;
+
+use std::str;
+use regex_syntax::Expr;
+
+#[export_name="rust_fuzzer_test_input"]
+pub extern fn go(data: &[u8]) {
+    if let Ok(s) = str::from_utf8(data) {
+        Expr::parse(s);
+    }
+}