gcc/libgo/go/syscall/errstr.go

28 lines
584 B
Go

// errstr.go -- Error strings.
// Copyright 2009 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
//sysnb strerror_r(errnum int, buf []byte) (err error)
//strerror_r(errnum int, buf *byte, buflen Size_t) int
func Errstr(errnum int) string {
for len := 128; ; len *= 2 {
b := make([]byte, len)
err := strerror_r(errnum, b)
if err == nil {
i := 0
for b[i] != 0 {
i++
}
return string(b[:i])
}
if err != ERANGE {
return "Errstr failure"
}
}
}