2009-06-29 14:44:46 -06:00
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// Copyright 2009 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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// Linux-specific
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package os
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// Hostname returns the host name reported by the kernel.
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2009-08-10 23:02:51 -06:00
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func Hostname() (name string, err Error) {
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2009-06-29 14:44:46 -06:00
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f, err := Open("/proc/sys/kernel/hostname", O_RDONLY, 0);
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if err != nil {
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2009-11-09 13:07:39 -07:00
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return "", err
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2009-06-29 14:44:46 -06:00
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}
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defer f.Close();
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var buf [512]byte; // Enough for a DNS name.
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n, err := f.Read(&buf);
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if err != nil {
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2009-11-09 13:07:39 -07:00
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return "", err
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2009-06-29 14:44:46 -06:00
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}
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if n > 0 && buf[n-1] == '\n' {
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2009-11-09 13:07:39 -07:00
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n--
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2009-06-29 14:44:46 -06:00
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}
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return string(buf[0:n]), nil;
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}
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