2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1988 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*
2N/A * Seek for standard library. Coordinates with buffering.
2N/A */
2N/A
2N/A#include <sys/feature_tests.h>
2N/A
2N/A#if !defined(_LP64)
2N/A#pragma weak _fseeko64 = fseeko64
2N/A#endif
2N/A#pragma weak _fseeko = fseeko
2N/A
2N/A#include "lint.h"
2N/A#include "file64.h"
2N/A#include "mtlib.h"
2N/A#include <sys/types.h>
2N/A#include <unistd.h>
2N/A#include <limits.h>
2N/A#include <stdio.h>
2N/A#include <errno.h>
2N/A#include <thread.h>
2N/A#include <synch.h>
2N/A#include "stdiom.h"
2N/A
2N/A#if !defined(_LP64)
2N/Aint
2N/Afseeko64(FILE *iop, off64_t offset, int ptrname)
2N/A{
2N/A off64_t p;
2N/A rmutex_t *lk;
2N/A
2N/A FLOCKFILE(lk, iop);
2N/A iop->_flag &= ~_IOEOF;
2N/A
2N/A if (!(iop->_flag & _IOREAD) && !(iop->_flag & (_IOWRT | _IORW))) {
2N/A errno = EBADF;
2N/A FUNLOCKFILE(lk);
2N/A return (-1);
2N/A }
2N/A
2N/A if (iop->_flag & _IOREAD) {
2N/A if (ptrname == 1 && iop->_base && !(iop->_flag&_IONBF)) {
2N/A offset -= iop->_cnt;
2N/A }
2N/A } else if (iop->_flag & (_IOWRT | _IORW)) {
2N/A if (_fflush_u(iop) == EOF) {
2N/A FUNLOCKFILE(lk);
2N/A return (-1);
2N/A }
2N/A }
2N/A iop->_cnt = 0;
2N/A iop->_ptr = iop->_base;
2N/A if (iop->_flag & _IORW) {
2N/A iop->_flag &= ~(_IOREAD | _IOWRT);
2N/A }
2N/A p = lseek64(FILENO(iop), offset, ptrname);
2N/A FUNLOCKFILE(lk);
2N/A return ((p == -1)? -1: 0);
2N/A}
2N/A#endif /* _LP64 */
2N/A
2N/Aint
2N/Afseeko(FILE *iop, off_t offset, int ptrname)
2N/A{
2N/A return (fseek(iop, offset, ptrname));
2N/A}