clearerr.c

来自「Axis 221 camera embedded programing inte」· C语言 代码 · 共 40 行

/* Copyright (C) 2004       Manuel Novoa III    <[e-mail]>
 *
 * GNU Library General Public License (LGPL) version 2 or later.
 *
 * Dedicated to Toni.  See uClibc/DEDICATION.mjn3 for details.
 */

#include "_stdio.h"

#ifdef __DO_UNLOCKED

weak_alias(__clearerr_unlocked,clearerr_unlocked);
#ifndef __UCLIBC_HAS_THREADS__
weak_alias(__clearerr_unlocked,clearerr);
#endif

void __clearerr_unlocked(register FILE *stream)
{
	__STDIO_STREAM_VALIDATE(stream);

	__CLEARERR_UNLOCKED(stream);
}

#elif defined __UCLIBC_HAS_THREADS__

void clearerr(register FILE *stream)
{
	__STDIO_AUTO_THREADLOCK_VAR;

	__STDIO_AUTO_THREADLOCK(stream);

	__STDIO_STREAM_VALIDATE(stream);

	__CLEARERR_UNLOCKED(stream);

	__STDIO_AUTO_THREADUNLOCK(stream);
}

#endif