1 // Copyright 2019 The Prometheus Authors 2 // Licensed under the Apache License, Version 2.0 (the "License"); 3 // you may not use this file except in compliance with the License. 4 // You may obtain a copy of the License at 5 // 6 // http://www.apache.org/licenses/LICENSE-2.0 7 // 8 // Unless required by applicable law or agreed to in writing, software 9 // distributed under the License is distributed on an "AS IS" BASIS, 10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11 // See the License for the specific language governing permissions and 12 // limitations under the License. 13 14 //go:build (linux && appengine) || (!linux && !darwin) 15 // +build linux,appengine !linux,!darwin 16 17 package util 18 19 import ( 20 "fmt" 21 ) 22 23 // SysReadFile is here implemented as a noop for builds that do not support 24 // the read syscall. For example Windows, or Linux on Google App Engine. 25 func SysReadFile(file string) (string, error) { 26 return "", fmt.Errorf("not supported on this platform") 27 } 28