text: // Copyright 2019 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 linux,appengine !linux
  
  package util
  
  import (
  	"fmt"
  )
  
  // SysReadFile is here implemented as a noop for builds that do not support
  // the read syscall. For example Windows, or Linux on Google App Engine.
  func SysReadFile(file string) (string, error) {
  	return "", fmt.Errorf("not supported on this platform")
  }
  