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 32*7257d1b4Sraf #include "lint.h" 337c478bd9Sstevel@tonic-gate #include <mtlib.h> 347c478bd9Sstevel@tonic-gate #include <stdarg.h> 357c478bd9Sstevel@tonic-gate #include <errno.h> 367c478bd9Sstevel@tonic-gate #include <thread.h> 377c478bd9Sstevel@tonic-gate #include <synch.h> 387c478bd9Sstevel@tonic-gate #include <values.h> 397c478bd9Sstevel@tonic-gate #include "print.h" 407c478bd9Sstevel@tonic-gate #include <sys/types.h> 417c478bd9Sstevel@tonic-gate #include "libc.h" 427c478bd9Sstevel@tonic-gate #include "mse.h" 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate /*VARARGS1*/ 457c478bd9Sstevel@tonic-gate int 467c478bd9Sstevel@tonic-gate printf(const char *format, ...) 477c478bd9Sstevel@tonic-gate { 487c478bd9Sstevel@tonic-gate ssize_t count; 497c478bd9Sstevel@tonic-gate rmutex_t *lk; 507c478bd9Sstevel@tonic-gate va_list ap; 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate va_start(ap, format); 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate /* Use F*LOCKFILE() macros because printf() is not async-safe. */ 557c478bd9Sstevel@tonic-gate FLOCKFILE(lk, stdout); 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate _SET_ORIENTATION_BYTE(stdout); 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate if (!(stdout->_flag & _IOWRT)) { 607c478bd9Sstevel@tonic-gate /* if no write flag */ 617c478bd9Sstevel@tonic-gate if (stdout->_flag & _IORW) { 627c478bd9Sstevel@tonic-gate /* if ok, cause read-write */ 637c478bd9Sstevel@tonic-gate stdout->_flag |= _IOWRT; 647c478bd9Sstevel@tonic-gate } else { 657c478bd9Sstevel@tonic-gate /* else error */ 667c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 677c478bd9Sstevel@tonic-gate errno = EBADF; 687c478bd9Sstevel@tonic-gate return (EOF); 697c478bd9Sstevel@tonic-gate } 707c478bd9Sstevel@tonic-gate } 717c478bd9Sstevel@tonic-gate count = _ndoprnt(format, ap, stdout, 0); 727c478bd9Sstevel@tonic-gate va_end(ap); 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate /* check for errors or EOF */ 757c478bd9Sstevel@tonic-gate if (FERROR(stdout) || count == EOF) { 767c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 777c478bd9Sstevel@tonic-gate return (EOF); 787c478bd9Sstevel@tonic-gate } 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk); 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate /* check for overflow */ 837c478bd9Sstevel@tonic-gate if ((size_t)count > MAXINT) { 847c478bd9Sstevel@tonic-gate errno = EOVERFLOW; 857c478bd9Sstevel@tonic-gate return (EOF); 867c478bd9Sstevel@tonic-gate } else { 877c478bd9Sstevel@tonic-gate return ((int)count); 887c478bd9Sstevel@tonic-gate } 897c478bd9Sstevel@tonic-gate } 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate #ifndef _LP64 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate /* 947c478bd9Sstevel@tonic-gate * 32-bit shadow function of printf(). 957c478bd9Sstevel@tonic-gate * When using the c89 compiler to build 32-bit applications, the size 967c478bd9Sstevel@tonic-gate * of intmax_t is 32-bits, otherwise the size of intmax_t is 64-bits. 977c478bd9Sstevel@tonic-gate * The shadow function uses 32-bit size of intmax_t for %j conversion. 987c478bd9Sstevel@tonic-gate * The #pragma redefine_extname in <stdio.h> selects the proper routine 997c478bd9Sstevel@tonic-gate * at compile time for the user application. 1007c478bd9Sstevel@tonic-gate * NOTE: this function only exists in the 32-bit library. 1017c478bd9Sstevel@tonic-gate */ 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate int 1047c478bd9Sstevel@tonic-gate _printf_c89(const char *format, ...) 1057c478bd9Sstevel@tonic-gate { 1067c478bd9Sstevel@tonic-gate ssize_t count; 1077c478bd9Sstevel@tonic-gate va_list ap; 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate va_start(ap, format); 1107c478bd9Sstevel@tonic-gate count = _vprintf_c89(format, ap); 1117c478bd9Sstevel@tonic-gate va_end(ap); 1127c478bd9Sstevel@tonic-gate return ((int)count); 1137c478bd9Sstevel@tonic-gate } 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate #endif 116