gcc/libgo/go/syscall/errstr_nor.go
2011-10-31 21:55:22 +00:00

34 lines
572 B
Go

// 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
}