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46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/* hostname.c -- use uname() to get the name of the host
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Copyright (C) 1992 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#if defined(STDC_HEADERS) || defined(USG)
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#include <string.h>
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#ifndef index
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#define index strchr
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#endif
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#else
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#include <strings.h>
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#endif
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#include <sys/utsname.h>
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/* Put this host's name into NAME, using at most NAMELEN characters */
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int
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gethostname(name, namelen)
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char *name;
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int namelen;
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{
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struct utsname ugnm;
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if (uname(&ugnm) < 0)
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return (-1);
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(void) strncpy(name, ugnm.nodename, namelen-1);
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name[namelen-1] = '\0';
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return (0);
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}
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