Файловый менеджер - Редактировать - /usr/local/go/test/fixedbugs/bug303.go
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// 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)) }
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