1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 30*0Sstevel@tonic-gate /* All Rights Reserved */ 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate /* 34*0Sstevel@tonic-gate * Unix routine to do an "fopen" on file descriptor 35*0Sstevel@tonic-gate * The mode has to be repeated because you can't query its 36*0Sstevel@tonic-gate * status 37*0Sstevel@tonic-gate */ 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #define _LARGEFILE64_SOURCE 1 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #pragma weak fdopen = _fdopen 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #include <sys/feature_tests.h> 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate #define fdopen _fdopen 46*0Sstevel@tonic-gate #if !defined(_LP64) 47*0Sstevel@tonic-gate #define lseek64 _lseek64 48*0Sstevel@tonic-gate #endif 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate #include "lint.h" 51*0Sstevel@tonic-gate #include <mtlib.h> 52*0Sstevel@tonic-gate #include "file64.h" 53*0Sstevel@tonic-gate #include <sys/types.h> 54*0Sstevel@tonic-gate #include <unistd.h> 55*0Sstevel@tonic-gate #include <stdio.h> 56*0Sstevel@tonic-gate #include <limits.h> 57*0Sstevel@tonic-gate #include <thread.h> 58*0Sstevel@tonic-gate #include <synch.h> 59*0Sstevel@tonic-gate #include "stdiom.h" 60*0Sstevel@tonic-gate #include <errno.h> 61*0Sstevel@tonic-gate #include <fcntl.h> 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate FILE * 64*0Sstevel@tonic-gate fdopen(int fd, const char *type) /* associate file desc. with stream */ 65*0Sstevel@tonic-gate { 66*0Sstevel@tonic-gate /* iop doesn't need locking since this function is creating it */ 67*0Sstevel@tonic-gate FILE *iop; 68*0Sstevel@tonic-gate char plus; 69*0Sstevel@tonic-gate unsigned char flag; 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate /* Sets EBADF for bad fds */ 73*0Sstevel@tonic-gate if (fcntl(fd, F_GETFD) == -1) 74*0Sstevel@tonic-gate return (NULL); 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate #ifdef _LP64 77*0Sstevel@tonic-gate if ((iop = _findiop()) == 0) { 78*0Sstevel@tonic-gate errno = ENOMEM; 79*0Sstevel@tonic-gate return (NULL); 80*0Sstevel@tonic-gate } 81*0Sstevel@tonic-gate iop->_file = fd; 82*0Sstevel@tonic-gate #else 83*0Sstevel@tonic-gate if (fd > UCHAR_MAX) { 84*0Sstevel@tonic-gate errno = EMFILE; 85*0Sstevel@tonic-gate return (NULL); 86*0Sstevel@tonic-gate } 87*0Sstevel@tonic-gate if ((iop = _findiop()) == 0) { 88*0Sstevel@tonic-gate errno = ENOMEM; 89*0Sstevel@tonic-gate return (NULL); 90*0Sstevel@tonic-gate } 91*0Sstevel@tonic-gate iop->_file = (unsigned char)fd; 92*0Sstevel@tonic-gate #endif /* _LP64 */ 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate switch (type[0]) { 95*0Sstevel@tonic-gate default: 96*0Sstevel@tonic-gate iop->_flag = 0; /* release iop */ 97*0Sstevel@tonic-gate errno = EINVAL; 98*0Sstevel@tonic-gate return (NULL); 99*0Sstevel@tonic-gate case 'r': 100*0Sstevel@tonic-gate flag = _IOREAD; 101*0Sstevel@tonic-gate break; 102*0Sstevel@tonic-gate case 'a': 103*0Sstevel@tonic-gate (void) lseek64(fd, (off64_t)0, SEEK_END); 104*0Sstevel@tonic-gate /*FALLTHROUGH*/ 105*0Sstevel@tonic-gate case 'w': 106*0Sstevel@tonic-gate flag = _IOWRT; 107*0Sstevel@tonic-gate break; 108*0Sstevel@tonic-gate } 109*0Sstevel@tonic-gate if ((plus = type[1]) == 'b') /* Unix ignores 'b' ANSI std */ 110*0Sstevel@tonic-gate plus = type[2]; 111*0Sstevel@tonic-gate if (plus == '+') 112*0Sstevel@tonic-gate flag = _IORW; 113*0Sstevel@tonic-gate iop->_flag = flag; 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate return (iop); 116*0Sstevel@tonic-gate } 117