cubefs

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// Copyright 2019 The Prometheus Authors
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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 procfs
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import (
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	"strings"
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	"github.com/prometheus/procfs/internal/util"
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)
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// Environ reads process environments from `/proc/<pid>/environ`.
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func (p Proc) Environ() ([]string, error) {
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	environments := make([]string, 0)
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	data, err := util.ReadFileNoStat(p.path("environ"))
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	if err != nil {
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		return environments, err
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	}
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	environments = strings.Split(string(data), "\000")
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	if len(environments) > 0 {
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		environments = environments[:len(environments)-1]
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	}
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	return environments, nil
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}
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