#!/bin/bash

set -ex

if [ "$#" -lt 1 ]; then
  echo "usage: $0 <language> <libFuzzer args...>"
  exit 1
fi

lang="$1"
shift # Treat remainder of arguments as libFuzzer arguments

# Fuzzing logs and testcases are always written to `pwd`, so `cd` there first
mkdir -p "fuzz-results/${lang}"
cd "fuzz-results/${lang}"

# Create a corpus directory, so new discoveries are stored on disk. These will
# then be loaded on subsequent fuzzing runs
mkdir -p corpus

out="../../out"
ASAN_OPTIONS="quarantine_size_mb=10:detect_leaks=1" UBSAN="print_stacktrace=1:halt_on_error=1" \
  "${out}/${lang}_fuzzer" "-dict=${out}/${lang}.dict" "-artifact_prefix=${lang}_" -max_len=128 -timeout=1 "./corpus" "$@"