mirror of https://github.com/docker/compose.git
53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
/*
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Copyright 2020 Docker Compose CLI 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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package utils
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import (
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"github.com/docker/go-units"
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)
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// MemBytes is a type for human readable memory bytes (like 128M, 2g, etc)
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type MemBytes int64
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// String returns the string format of the human readable memory bytes
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func (m *MemBytes) String() string {
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// NOTE: In spf13/pflag/flag.go, "0" is considered as "zero value" while "0 B" is not.
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// We return "0" in case value is 0 here so that the default value is hidden.
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// (Sometimes "default 0 B" is actually misleading)
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if m.Value() != 0 {
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return units.BytesSize(float64(m.Value()))
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}
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return "0"
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}
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// Set sets the value of the MemBytes by passing a string
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func (m *MemBytes) Set(value string) error {
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val, err := units.RAMInBytes(value)
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*m = MemBytes(val)
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return err
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}
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// Type returns the type
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func (m *MemBytes) Type() string {
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return "bytes"
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}
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// Value returns the value in int64
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func (m *MemBytes) Value() int64 {
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return int64(*m)
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}
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