#!/bin/bash

# Usage:
#  run-fuzzer <fuzzer> <args...>

set -e

BUILD_DIR=$(pwd)
WAVM_DIR=$(cd `dirname $0`/../.. && pwd)
FUZZER=$1
EXTRA_ARGS=${@:2}
WORKERS_PER_FUZZER=$(nproc --all)
JOBS_PER_FUZZER=$WORKERS_PER_FUZZER

cd $BUILD_DIR

# Make sure the output corpus and artifact directories exist.
mkdir -p corpora/${FUZZER}
mkdir -p artifacts/${FUZZER}

# Run the fuzzer.
bin/fuzz-${FUZZER} \
	corpora/${FUZZER} \
	-artifact_prefix="artifacts/${FUZZER}/" \
	-use_value_profile=1 \
	-print_final_stats=1 \
	-print_pcs=1 \
	-reduce_depth=1 \
	-shrink=1 \
	-jobs=$JOBS_PER_FUZZER \
	-workers=$WORKERS_PER_FUZZER \
	$EXTRA_ARGS \
	|| true

# Copy the current corpus into the archive
cp -rf corpora/${FUZZER} corpora-archive