Source file src/cmd/vendor/golang.org/x/tools/internal/gcimporter/support.go

     1  // Copyright 2024 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package gcimporter
     6  
     7  import (
     8  	"bufio"
     9  	"io"
    10  	"strconv"
    11  	"strings"
    12  )
    13  
    14  // Copy of $GOROOT/src/cmd/internal/archive.ReadHeader.
    15  func readArchiveHeader(b *bufio.Reader, name string) int {
    16  	// architecture-independent object file output
    17  	const HeaderSize = 60
    18  
    19  	var buf [HeaderSize]byte
    20  	if _, err := io.ReadFull(b, buf[:]); err != nil {
    21  		return -1
    22  	}
    23  	aname := strings.Trim(string(buf[0:16]), " ")
    24  	if !strings.HasPrefix(aname, name) {
    25  		return -1
    26  	}
    27  	asize := strings.Trim(string(buf[48:58]), " ")
    28  	i, _ := strconv.Atoi(asize)
    29  	return i
    30  }
    31  

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