uclibc-ng/libc/stdio/fgetpos.c

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

#include "_stdio.h"

#ifndef __DO_LARGEFILE
#define FTELL ftell
#endif

libc_hidden_proto(FTELL)

int fgetpos(FILE * __restrict stream, register fpos_t * __restrict pos)
{
#ifdef __STDIO_MBSTATE

	int retval = -1;
	__STDIO_AUTO_THREADLOCK_VAR;

	__STDIO_AUTO_THREADLOCK(stream);

	if ((pos->__pos = FTELL(stream)) >= 0) {
		__COPY_MBSTATE(&(pos->__mbstate), &(stream->__state));
		pos->__mblen_pending = stream->__ungot_width[0];
		retval = 0;
	}

	__STDIO_AUTO_THREADUNLOCK(stream);

	return retval;

#else

	return ((pos->__pos = FTELL(stream)) >= 0) ? 0 : -1;

#endif
}