text: // Copyright 2014 The Prometheus Authors
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  // http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  // Build only when actually fuzzing
  // +build gofuzz
  
  package expfmt
  
  import "bytes"
  
  // Fuzz text metric parser with with github.com/dvyukov/go-fuzz:
  //
  //     go-fuzz-build github.com/prometheus/common/expfmt
  //     go-fuzz -bin expfmt-fuzz.zip -workdir fuzz
  //
  // Further input samples should go in the folder fuzz/corpus.
  func Fuzz(in []byte) int {
  	parser := TextParser{}
  	_, err := parser.TextToMetricFamilies(bytes.NewReader(in))
  
  	if err != nil {
  		return 0
  	}
  
  	return 1
  }
  