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path: root/libgo/go/syscall/errstr_nor.go
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// errstr.go -- Error strings when there is no strerror_r.

// 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.

package syscall

import (
	"sync"
	"unsafe"
)

//sysnb	strerror(errnum int) (buf *byte)
//strerror(errnum int) *byte

var errstr_lock sync.Mutex

func Errstr(errno int) string {
	errstr_lock.Lock()

	bp := strerror(errno)
	b := (*[1000]byte)(unsafe.Pointer(bp))
	i := 0
	for b[i] != 0 {
		i++
	}
	s := string(b[:i])

	errstr_lock.Unlock()

	return s
}