50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Copyright (C) 1996-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <netdb.h>
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#include <stdlib.h>
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#include <libc-lock.h>
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/* Static buffer for return value. We allocate it when needed. */
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libc_freeres_ptr (static char *buffer);
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/* All three strings should fit in a block of 1kB size. */
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#define BUFSIZE 1024
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static void
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allocate (void)
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{
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buffer = (char *) malloc (BUFSIZE);
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}
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int
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getnetgrent (char **hostp, char **userp, char **domainp)
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{
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__libc_once_define (static, once);
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__libc_once (once, allocate);
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if (buffer == NULL)
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{
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__set_errno (ENOMEM);
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return -1;
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}
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return __getnetgrent_r (hostp, userp, domainp, buffer, BUFSIZE);
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}
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