go bug303 源码

  • 2022-07-15
  • 浏览 (902)

golang bug303 代码

文件路径:/test/fixedbugs/bug303.go

// run

// Copyright 2010 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.

// Issue 1011.  Removing either #1 or #3 avoided the crash at #2.

package main

import (
	"io"
	"strings"
)

func readU16BE(b []byte) uint16 {
	b[0] = 0
	b[1] = 1
	return uint16(b[0])<<8 + uint16(b[1]) // #1
	n := uint16(b[0])<<8 + uint16(b[1])
	return n
}

func readStr(r io.Reader, b []byte) string {
	n := readU16BE(b)
	if int(n) > len(b) {
		return "err: n>b"
	}
	io.ReadFull(r, b[0:n]) // #2
	return string(b[0:n])  // #3
	return "ok"
}

func main() {
	br := strings.NewReader("abcd")
	readStr(br, make([]byte, 256))
}

相关信息

go 源码目录

相关文章

go bug000 源码

go bug002 源码

go bug003 源码

go bug004 源码

go bug005 源码

go bug006 源码

go bug007 源码

go bug008 源码

go bug009 源码

go bug010 源码

0  赞