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 5*7257d1b4Sraf * Common Development and Distribution License (the "License"). 6*7257d1b4Sraf * 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 */ 21*7257d1b4Sraf 227c478bd9Sstevel@tonic-gate /* 23*7257d1b4Sraf * 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 */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 30*7257d1b4Sraf #pragma ident "%Z%%M% %I% %E% SMI" 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate /* 337c478bd9Sstevel@tonic-gate * Return file offset. 347c478bd9Sstevel@tonic-gate * Coordinates with buffering. 357c478bd9Sstevel@tonic-gate */ 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate #include <sys/feature_tests.h> 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #if !defined(_LP64) 40*7257d1b4Sraf #pragma weak _ftello64 = ftello64 417c478bd9Sstevel@tonic-gate #endif 42*7257d1b4Sraf #pragma weak _ftello = ftello 437c478bd9Sstevel@tonic-gate 44*7257d1b4Sraf #include "lint.h" 457c478bd9Sstevel@tonic-gate #include "file64.h" 467c478bd9Sstevel@tonic-gate #include "mtlib.h" 477c478bd9Sstevel@tonic-gate #include <sys/types.h> 487c478bd9Sstevel@tonic-gate #include <unistd.h> 497c478bd9Sstevel@tonic-gate #include <stdio.h> 507c478bd9Sstevel@tonic-gate #include <thread.h> 517c478bd9Sstevel@tonic-gate #include <synch.h> 527c478bd9Sstevel@tonic-gate #include <errno.h> 537c478bd9Sstevel@tonic-gate #include <limits.h> 547c478bd9Sstevel@tonic-gate #include <fcntl.h> 557c478bd9Sstevel@tonic-gate #include <stddef.h> 567c478bd9Sstevel@tonic-gate #include "stdiom.h" 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate #if !defined(_LP64) 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate off64_t 617c478bd9Sstevel@tonic-gate ftello64(FILE *iop) 627c478bd9Sstevel@tonic-gate { 637c478bd9Sstevel@tonic-gate ptrdiff_t adjust; 647c478bd9Sstevel@tonic-gate off64_t tres; 657c478bd9Sstevel@tonic-gate rmutex_t *lk; 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate FLOCKFILE(lk, iop); 687c478bd9Sstevel@tonic-gate if (iop->_cnt < 0) 697c478bd9Sstevel@tonic-gate iop->_cnt = 0; 707c478bd9Sstevel@tonic-gate if (iop->_flag & _IOREAD) 717c478bd9Sstevel@tonic-gate adjust = (ptrdiff_t)-iop->_cnt; 727c478bd9Sstevel@tonic-gate else if (iop->_flag & (_IOWRT | _IORW)) { 737c478bd9Sstevel@tonic-gate adjust = 0; 747c478bd9Sstevel@tonic-gate if (((iop->_flag & (_IOWRT | _IONBF)) == _IOWRT) && 757c478bd9Sstevel@tonic-gate (iop->_base != 0)) 767c478bd9Sstevel@tonic-gate adjust = iop->_ptr - iop->_base; 777c478bd9Sstevel@tonic-gate } else { 787c478bd9Sstevel@tonic-gate errno = EBADF; /* file descriptor refers to no open file */ 797c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 807c478bd9Sstevel@tonic-gate return ((off64_t)EOF); 817c478bd9Sstevel@tonic-gate } 827c478bd9Sstevel@tonic-gate tres = lseek64(FILENO(iop), 0, SEEK_CUR); 837c478bd9Sstevel@tonic-gate if (tres >= 0) 847c478bd9Sstevel@tonic-gate tres += (off64_t)adjust; 857c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 867c478bd9Sstevel@tonic-gate return (tres); 877c478bd9Sstevel@tonic-gate } 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate #endif /* _LP64 */ 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate off_t 927c478bd9Sstevel@tonic-gate ftello(FILE *iop) 937c478bd9Sstevel@tonic-gate { 947c478bd9Sstevel@tonic-gate return ((off_t)ftell(iop)); 957c478bd9Sstevel@tonic-gate } 96