flockfile.c 2 KB
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/*****************************************************************************
 * flockfile.c: POSIX unlocked I/O stream stubs
 *****************************************************************************
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 * Copyright © 2011-2012 Rémi Denis-Courmont
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 *
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 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
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 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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LGPL  
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU Lesser General Public License for more details.
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 *
 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <stdio.h>

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#ifdef _WIN32
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# ifndef HAVE__LOCK_FILE
#  warning Broken SDK: VLC logs will be garbage.
#  define _lock_file(s) ((void)(s))
#  define _unlock_file(s) ((void)(s))
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#  undef _getc_nolock
#  define _getc_nolock(s) getc(s)
#  undef _putc_nolock
#  define _putc_nolock(s,c) putc(s,c)
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# endif
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void flockfile (FILE *stream)
{
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    _lock_file (stream);
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}

int ftrylockfile (FILE *stream)
{
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    flockfile (stream); /* Move along people, there is nothing to see here. */
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    return 0;
}

void funlockfile (FILE *stream)
{
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    _unlock_file (stream);
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}

int getc_unlocked (FILE *stream)
{
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    return _getc_nolock (stream);
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}

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int putc_unlocked (int c, FILE *stream)
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{
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    return _putc_nolock (c, stream);
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}

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#else
# error flockfile not implemented on your platform!
#endif

int getchar_unlocked (void)
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{
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    return getc_unlocked (stdin);
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}

int putchar_unlocked (int c)
{
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    return putc_unlocked (c, stdout);
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}