33 lines
558 B
Go
33 lines
558 B
Go
// errstr.go -- Error strings when there is no strerror_r.
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package syscall
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import (
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"sync"
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"unsafe"
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)
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func libc_strerror(int) *byte __asm__ ("strerror")
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var errstr_lock sync.Mutex
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func Errstr(errno int) string {
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errstr_lock.Lock()
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bp := libc_strerror(errno)
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b := (*[1000]byte)(unsafe.Pointer(bp))
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i := 0
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for b[i] != 0 {
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i++
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}
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s := string(b[:i])
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errstr_lock.Unlock()
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return s
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}
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