From f6ad4dcef54c5ce997a4bad5a6d86de229015700 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:25:22 +0200 Subject: Adding upstream version 1.22.1. Signed-off-by: Daniel Baumann --- src/cmd/go/internal/mmap/mmap.go | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/cmd/go/internal/mmap/mmap.go (limited to 'src/cmd/go/internal/mmap/mmap.go') diff --git a/src/cmd/go/internal/mmap/mmap.go b/src/cmd/go/internal/mmap/mmap.go new file mode 100644 index 0000000..fcbd3e0 --- /dev/null +++ b/src/cmd/go/internal/mmap/mmap.go @@ -0,0 +1,31 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This package is a lightly modified version of the mmap code +// in github.com/google/codesearch/index. + +// The mmap package provides an abstraction for memory mapping files +// on different platforms. +package mmap + +import ( + "os" +) + +// Data is mmap'ed read-only data from a file. +// The backing file is never closed, so Data +// remains valid for the lifetime of the process. +type Data struct { + f *os.File + Data []byte +} + +// Mmap maps the given file into memory. +func Mmap(file string) (Data, error) { + f, err := os.Open(file) + if err != nil { + return Data{}, err + } + return mmapFile(f) +} -- cgit v1.2.3