libgo/go/syscall/errstr_linux.go

// errstr_rtems.go -- RTEMS specific error strings.

// 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.

package syscall

import "unsafe"

//sysnb	strerror_r(errnum int, b []byte) (errstr *byte)
//strerror_r(errnum int, b *byte, len Size_t) *byte

func Errstr(errnum int) string {
	a := make([]byte, 128)
	p := strerror_r(errnum, a)
	b := (*[1000]byte)(unsafe.Pointer(p))
	i := 0
	for b[i] != 0 {
		i++
	}
	return string(b[:i])
}