1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 30*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 31*7c478bd9Sstevel@tonic-gate 32*7c478bd9Sstevel@tonic-gate 33*7c478bd9Sstevel@tonic-gate #include "synonyms.h" 34*7c478bd9Sstevel@tonic-gate #include <mtlib.h> 35*7c478bd9Sstevel@tonic-gate #include <stdarg.h> 36*7c478bd9Sstevel@tonic-gate #include <errno.h> 37*7c478bd9Sstevel@tonic-gate #include <thread.h> 38*7c478bd9Sstevel@tonic-gate #include <synch.h> 39*7c478bd9Sstevel@tonic-gate #include <values.h> 40*7c478bd9Sstevel@tonic-gate #include "print.h" 41*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 42*7c478bd9Sstevel@tonic-gate #include "libc.h" 43*7c478bd9Sstevel@tonic-gate #include "mse.h" 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate /*VARARGS1*/ 46*7c478bd9Sstevel@tonic-gate int 47*7c478bd9Sstevel@tonic-gate printf(const char *format, ...) 48*7c478bd9Sstevel@tonic-gate { 49*7c478bd9Sstevel@tonic-gate ssize_t count; 50*7c478bd9Sstevel@tonic-gate rmutex_t *lk; 51*7c478bd9Sstevel@tonic-gate va_list ap; 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate va_start(ap, format); 54*7c478bd9Sstevel@tonic-gate 55*7c478bd9Sstevel@tonic-gate /* Use F*LOCKFILE() macros because printf() is not async-safe. */ 56*7c478bd9Sstevel@tonic-gate FLOCKFILE(lk, stdout); 57*7c478bd9Sstevel@tonic-gate 58*7c478bd9Sstevel@tonic-gate _SET_ORIENTATION_BYTE(stdout); 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate if (!(stdout->_flag & _IOWRT)) { 61*7c478bd9Sstevel@tonic-gate /* if no write flag */ 62*7c478bd9Sstevel@tonic-gate if (stdout->_flag & _IORW) { 63*7c478bd9Sstevel@tonic-gate /* if ok, cause read-write */ 64*7c478bd9Sstevel@tonic-gate stdout->_flag |= _IOWRT; 65*7c478bd9Sstevel@tonic-gate } else { 66*7c478bd9Sstevel@tonic-gate /* else error */ 67*7c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 68*7c478bd9Sstevel@tonic-gate errno = EBADF; 69*7c478bd9Sstevel@tonic-gate return (EOF); 70*7c478bd9Sstevel@tonic-gate } 71*7c478bd9Sstevel@tonic-gate } 72*7c478bd9Sstevel@tonic-gate count = _ndoprnt(format, ap, stdout, 0); 73*7c478bd9Sstevel@tonic-gate va_end(ap); 74*7c478bd9Sstevel@tonic-gate 75*7c478bd9Sstevel@tonic-gate /* check for errors or EOF */ 76*7c478bd9Sstevel@tonic-gate if (FERROR(stdout) || count == EOF) { 77*7c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 78*7c478bd9Sstevel@tonic-gate return (EOF); 79*7c478bd9Sstevel@tonic-gate } 80*7c478bd9Sstevel@tonic-gate 81*7c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 82*7c478bd9Sstevel@tonic-gate 83*7c478bd9Sstevel@tonic-gate /* check for overflow */ 84*7c478bd9Sstevel@tonic-gate if ((size_t)count > MAXINT) { 85*7c478bd9Sstevel@tonic-gate errno = EOVERFLOW; 86*7c478bd9Sstevel@tonic-gate return (EOF); 87*7c478bd9Sstevel@tonic-gate } else { 88*7c478bd9Sstevel@tonic-gate return ((int)count); 89*7c478bd9Sstevel@tonic-gate } 90*7c478bd9Sstevel@tonic-gate } 91*7c478bd9Sstevel@tonic-gate 92*7c478bd9Sstevel@tonic-gate #ifndef _LP64 93*7c478bd9Sstevel@tonic-gate 94*7c478bd9Sstevel@tonic-gate /* 95*7c478bd9Sstevel@tonic-gate * 32-bit shadow function of printf(). 96*7c478bd9Sstevel@tonic-gate * When using the c89 compiler to build 32-bit applications, the size 97*7c478bd9Sstevel@tonic-gate * of intmax_t is 32-bits, otherwise the size of intmax_t is 64-bits. 98*7c478bd9Sstevel@tonic-gate * The shadow function uses 32-bit size of intmax_t for %j conversion. 99*7c478bd9Sstevel@tonic-gate * The #pragma redefine_extname in <stdio.h> selects the proper routine 100*7c478bd9Sstevel@tonic-gate * at compile time for the user application. 101*7c478bd9Sstevel@tonic-gate * NOTE: this function only exists in the 32-bit library. 102*7c478bd9Sstevel@tonic-gate */ 103*7c478bd9Sstevel@tonic-gate 104*7c478bd9Sstevel@tonic-gate int 105*7c478bd9Sstevel@tonic-gate _printf_c89(const char *format, ...) 106*7c478bd9Sstevel@tonic-gate { 107*7c478bd9Sstevel@tonic-gate ssize_t count; 108*7c478bd9Sstevel@tonic-gate va_list ap; 109*7c478bd9Sstevel@tonic-gate 110*7c478bd9Sstevel@tonic-gate va_start(ap, format); 111*7c478bd9Sstevel@tonic-gate count = _vprintf_c89(format, ap); 112*7c478bd9Sstevel@tonic-gate va_end(ap); 113*7c478bd9Sstevel@tonic-gate return ((int)count); 114*7c478bd9Sstevel@tonic-gate } 115*7c478bd9Sstevel@tonic-gate 116*7c478bd9Sstevel@tonic-gate #endif 117