Source file src/cmd/compile/internal/gc/mapfile_read.go

     1	// Copyright 2018 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	// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd
     6	
     7	package gc
     8	
     9	import (
    10		"io"
    11		"os"
    12	)
    13	
    14	func mapFile(f *os.File, offset, length int64) (string, error) {
    15		buf := make([]byte, length)
    16		_, err := io.ReadFull(io.NewSectionReader(f, offset, length), buf)
    17		if err != nil {
    18			return "", err
    19		}
    20		return string(buf), nil
    21	}
    22	

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