xref: /aosp_15_r20/external/bazelbuild-rules_android/src/common/golang/fileutils.go (revision 9e965d6fece27a77de5377433c2f7e6999b8cc0b)
1*9e965d6fSRomain Jobredeaux// Copyright 2018 The Bazel Authors. All rights reserved.
2*9e965d6fSRomain Jobredeaux//
3*9e965d6fSRomain Jobredeaux// Licensed under the Apache License, Version 2.0 (the "License");
4*9e965d6fSRomain Jobredeaux// you may not use this file except in compliance with the License.
5*9e965d6fSRomain Jobredeaux// You may obtain a copy of the License at
6*9e965d6fSRomain Jobredeaux//
7*9e965d6fSRomain Jobredeaux//    http://www.apache.org/licenses/LICENSE-2.0
8*9e965d6fSRomain Jobredeaux//
9*9e965d6fSRomain Jobredeaux// Unless required by applicable law or agreed to in writing, software
10*9e965d6fSRomain Jobredeaux// distributed under the License is distributed on an "AS IS" BASIS,
11*9e965d6fSRomain Jobredeaux// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12*9e965d6fSRomain Jobredeaux// See the License for the specific language governing permissions and
13*9e965d6fSRomain Jobredeaux// limitations under the License.
14*9e965d6fSRomain Jobredeaux
15*9e965d6fSRomain Jobredeaux// Package fileutils provides utility functions to work with files.
16*9e965d6fSRomain Jobredeauxpackage fileutils
17*9e965d6fSRomain Jobredeaux
18*9e965d6fSRomain Jobredeauximport (
19*9e965d6fSRomain Jobredeaux	"io"
20*9e965d6fSRomain Jobredeaux	"os"
21*9e965d6fSRomain Jobredeaux)
22*9e965d6fSRomain Jobredeaux
23*9e965d6fSRomain Jobredeaux// Copy will copy a file.
24*9e965d6fSRomain Jobredeauxfunc Copy(in, out string) error {
25*9e965d6fSRomain Jobredeaux	inF, err := os.Open(in)
26*9e965d6fSRomain Jobredeaux	if err != nil {
27*9e965d6fSRomain Jobredeaux		return err
28*9e965d6fSRomain Jobredeaux	}
29*9e965d6fSRomain Jobredeaux	outF, err := os.Create(out)
30*9e965d6fSRomain Jobredeaux	if err != nil {
31*9e965d6fSRomain Jobredeaux		return err
32*9e965d6fSRomain Jobredeaux	}
33*9e965d6fSRomain Jobredeaux	_, err = io.Copy(outF, inF)
34*9e965d6fSRomain Jobredeaux	return err
35*9e965d6fSRomain Jobredeaux}
36