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b90aefd4ac
There is just one file-based implementation, so this dispatch
mechanism is unnecessary. Instead of the vtable pointer
__libc_utmp_jump_table, use a non-negative file_fd as the indicator
that the backend is initialized.
(cherry picked from commit 1a7fe2ebe5)
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>
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and Paul Janzen <pcj@primenet.com>, 1996.
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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 <libc-lock.h>
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#include <utmp.h>
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#include "utmp-private.h"
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/* We have to use the lock in getutent_r.c. */
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__libc_lock_define (extern, __libc_utmp_lock attribute_hidden)
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int
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__getutline_r (const struct utmp *line, struct utmp *buffer,
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struct utmp **result)
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{
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int retval;
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__libc_lock_lock (__libc_utmp_lock);
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retval = __libc_getutline_r (line, buffer, result);
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__libc_lock_unlock (__libc_utmp_lock);
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return retval;
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}
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libc_hidden_def (__getutline_r)
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weak_alias (__getutline_r, getutline_r)
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