17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57257d1b4Sraf * Common Development and Distribution License (the "License"). 67257d1b4Sraf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217257d1b4Sraf 227c478bd9Sstevel@tonic-gate /* 237257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 28*cd62a92dSRobert Mustacchi /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307257d1b4Sraf #include "lint.h" 317c478bd9Sstevel@tonic-gate #include "file64.h" 327c478bd9Sstevel@tonic-gate #include "mtlib.h" 337c478bd9Sstevel@tonic-gate #include <sys/types.h> 347c478bd9Sstevel@tonic-gate #include <stdio.h> 357c478bd9Sstevel@tonic-gate #include <unistd.h> 367c478bd9Sstevel@tonic-gate #include <synch.h> 377c478bd9Sstevel@tonic-gate #include <thread.h> 387c478bd9Sstevel@tonic-gate #include "stdiom.h" 397c478bd9Sstevel@tonic-gate #include "libc.h" 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate void rewind(FILE * iop)437c478bd9Sstevel@tonic-gaterewind(FILE *iop) 447c478bd9Sstevel@tonic-gate { 457c478bd9Sstevel@tonic-gate rmutex_t *lk; 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate FLOCKFILE(lk, iop); 487c478bd9Sstevel@tonic-gate _rewind_unlocked(iop); 497c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 507c478bd9Sstevel@tonic-gate } 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate void _rewind_unlocked(FILE * iop)537c478bd9Sstevel@tonic-gate_rewind_unlocked(FILE *iop) 547c478bd9Sstevel@tonic-gate { 557c478bd9Sstevel@tonic-gate (void) _fflush_u(iop); 56*cd62a92dSRobert Mustacchi (void) _xseek64(iop, 0, SEEK_SET); 577c478bd9Sstevel@tonic-gate iop->_cnt = 0; 587c478bd9Sstevel@tonic-gate iop->_ptr = iop->_base; 597c478bd9Sstevel@tonic-gate iop->_flag &= ~(_IOERR | _IOEOF); 607c478bd9Sstevel@tonic-gate if (iop->_flag & _IORW) 617c478bd9Sstevel@tonic-gate iop->_flag &= ~(_IOREAD | _IOWRT); 627c478bd9Sstevel@tonic-gate } 63