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 #include "synonyms.h" 34*0Sstevel@tonic-gate #include <mtlib.h> 35*0Sstevel@tonic-gate #include <stdarg.h> 36*0Sstevel@tonic-gate #include <errno.h> 37*0Sstevel@tonic-gate #include <thread.h> 38*0Sstevel@tonic-gate #include <synch.h> 39*0Sstevel@tonic-gate #include <values.h> 40*0Sstevel@tonic-gate #include "print.h" 41*0Sstevel@tonic-gate #include <sys/types.h> 42*0Sstevel@tonic-gate #include "libc.h" 43*0Sstevel@tonic-gate #include "mse.h" 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate /*VARARGS1*/ 46*0Sstevel@tonic-gate int 47*0Sstevel@tonic-gate printf(const char *format, ...) 48*0Sstevel@tonic-gate { 49*0Sstevel@tonic-gate ssize_t count; 50*0Sstevel@tonic-gate rmutex_t *lk; 51*0Sstevel@tonic-gate va_list ap; 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate va_start(ap, format); 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate /* Use F*LOCKFILE() macros because printf() is not async-safe. */ 56*0Sstevel@tonic-gate FLOCKFILE(lk, stdout); 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate _SET_ORIENTATION_BYTE(stdout); 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate if (!(stdout->_flag & _IOWRT)) { 61*0Sstevel@tonic-gate /* if no write flag */ 62*0Sstevel@tonic-gate if (stdout->_flag & _IORW) { 63*0Sstevel@tonic-gate /* if ok, cause read-write */ 64*0Sstevel@tonic-gate stdout->_flag |= _IOWRT; 65*0Sstevel@tonic-gate } else { 66*0Sstevel@tonic-gate /* else error */ 67*0Sstevel@tonic-gate FUNLOCKFILE(lk); 68*0Sstevel@tonic-gate errno = EBADF; 69*0Sstevel@tonic-gate return (EOF); 70*0Sstevel@tonic-gate } 71*0Sstevel@tonic-gate } 72*0Sstevel@tonic-gate count = _ndoprnt(format, ap, stdout, 0); 73*0Sstevel@tonic-gate va_end(ap); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate /* check for errors or EOF */ 76*0Sstevel@tonic-gate if (FERROR(stdout) || count == EOF) { 77*0Sstevel@tonic-gate FUNLOCKFILE(lk); 78*0Sstevel@tonic-gate return (EOF); 79*0Sstevel@tonic-gate } 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate FUNLOCKFILE(lk); 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate /* check for overflow */ 84*0Sstevel@tonic-gate if ((size_t)count > MAXINT) { 85*0Sstevel@tonic-gate errno = EOVERFLOW; 86*0Sstevel@tonic-gate return (EOF); 87*0Sstevel@tonic-gate } else { 88*0Sstevel@tonic-gate return ((int)count); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate } 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate #ifndef _LP64 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate /* 95*0Sstevel@tonic-gate * 32-bit shadow function of printf(). 96*0Sstevel@tonic-gate * When using the c89 compiler to build 32-bit applications, the size 97*0Sstevel@tonic-gate * of intmax_t is 32-bits, otherwise the size of intmax_t is 64-bits. 98*0Sstevel@tonic-gate * The shadow function uses 32-bit size of intmax_t for %j conversion. 99*0Sstevel@tonic-gate * The #pragma redefine_extname in <stdio.h> selects the proper routine 100*0Sstevel@tonic-gate * at compile time for the user application. 101*0Sstevel@tonic-gate * NOTE: this function only exists in the 32-bit library. 102*0Sstevel@tonic-gate */ 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate int 105*0Sstevel@tonic-gate _printf_c89(const char *format, ...) 106*0Sstevel@tonic-gate { 107*0Sstevel@tonic-gate ssize_t count; 108*0Sstevel@tonic-gate va_list ap; 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate va_start(ap, format); 111*0Sstevel@tonic-gate count = _vprintf_c89(format, ap); 112*0Sstevel@tonic-gate va_end(ap); 113*0Sstevel@tonic-gate return ((int)count); 114*0Sstevel@tonic-gate } 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate #endif 117