mirror of
https://github.com/bettercap/bettercap
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37 lines
1 KiB
Go
37 lines
1 KiB
Go
// Copyright 2013 Google Inc. All rights reserved.
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// Copyright 2016 the gousb Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package gousb
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// To enable internal debugging, set the GOUSB_DEBUG environment variable.
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import (
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"io"
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"io/ioutil"
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"log" // TODO(kevlar): make a logger
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"os"
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)
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var debug *log.Logger
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const debugEnvVarName = "GOUSB_DEBUG"
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func init() {
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out := io.Writer(ioutil.Discard)
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if os.Getenv(debugEnvVarName) != "" {
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out = os.Stderr
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}
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debug = log.New(out, "gousb: ", log.LstdFlags|log.Lshortfile)
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}
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