Files
llgo/xtool/ar/common.go
2024-05-11 05:27:38 +08:00

61 lines
1.2 KiB
Go

/*
* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ar
import (
"errors"
"time"
)
var (
errInvalidHeader = errors.New("ar: invalid header")
errWriteTooLong = errors.New("ar: write too long")
)
const (
globalHeader = "!<arch>\n"
globalHeaderLen = len(globalHeader)
headerByteSize = 60
)
type recHeader struct {
name [16]byte
modTime [12]byte
uid [6]byte
gid [6]byte
mode [8]byte
size [10]byte
eol [2]byte
}
type Header struct {
Name string
ModTime time.Time
Uid int
Gid int
Mode int64
Size int64
}
type slicer []byte
func (sp *slicer) next(n int) (b []byte) {
s := *sp
b, *sp = s[0:n], s[n:]
return
}