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 #include "lint.h"
317c478bd9Sstevel@tonic-gate #include <mtlib.h>
327c478bd9Sstevel@tonic-gate #include <stdarg.h>
337c478bd9Sstevel@tonic-gate #include <errno.h>
347c478bd9Sstevel@tonic-gate #include <thread.h>
357c478bd9Sstevel@tonic-gate #include <values.h>
367c478bd9Sstevel@tonic-gate #include <synch.h>
377c478bd9Sstevel@tonic-gate #include <sys/types.h>
387c478bd9Sstevel@tonic-gate #include "print.h"
397c478bd9Sstevel@tonic-gate #include "libc.h"
407c478bd9Sstevel@tonic-gate #include "mse.h"
417c478bd9Sstevel@tonic-gate
427c478bd9Sstevel@tonic-gate /*
437c478bd9Sstevel@tonic-gate * 32-bit shadow function of vprintf() is included here.
447c478bd9Sstevel@tonic-gate * When using the c89 compiler to build 32-bit applications, the size
457c478bd9Sstevel@tonic-gate * of intmax_t is 32-bits, otherwise the size of intmax_t is 64-bits.
467c478bd9Sstevel@tonic-gate * The shadow function uses 32-bit size of intmax_t for %j conversion.
477c478bd9Sstevel@tonic-gate * The #pragma redefine_extname in <stdio.h> selects the proper routine
487c478bd9Sstevel@tonic-gate * at compile time for the user application.
497c478bd9Sstevel@tonic-gate * NOTE: the shadow function is only available in the 32-bit library.
507c478bd9Sstevel@tonic-gate */
517c478bd9Sstevel@tonic-gate
527c478bd9Sstevel@tonic-gate /*VARARGS1*/
537c478bd9Sstevel@tonic-gate
547c478bd9Sstevel@tonic-gate int
557c478bd9Sstevel@tonic-gate #ifdef _C89_INTMAX32
_vprintf_c89(const char * format,va_list ap)567c478bd9Sstevel@tonic-gate _vprintf_c89(const char *format, va_list ap)
577c478bd9Sstevel@tonic-gate #else
587c478bd9Sstevel@tonic-gate vprintf(const char *format, va_list ap)
597c478bd9Sstevel@tonic-gate #endif
607c478bd9Sstevel@tonic-gate {
617c478bd9Sstevel@tonic-gate ssize_t count;
627c478bd9Sstevel@tonic-gate rmutex_t *lk;
637c478bd9Sstevel@tonic-gate
647c478bd9Sstevel@tonic-gate /* Use F*LOCKFILE() macros because vprintf() is not async-safe. */
657c478bd9Sstevel@tonic-gate FLOCKFILE(lk, stdout);
667c478bd9Sstevel@tonic-gate
677c478bd9Sstevel@tonic-gate _SET_ORIENTATION_BYTE(stdout);
687c478bd9Sstevel@tonic-gate
697c478bd9Sstevel@tonic-gate if (!(stdout->_flag & _IOWRT)) {
707c478bd9Sstevel@tonic-gate /* if no write flag */
717c478bd9Sstevel@tonic-gate if (stdout->_flag & _IORW) {
727c478bd9Sstevel@tonic-gate /* if ok, cause read-write */
737c478bd9Sstevel@tonic-gate stdout->_flag |= _IOWRT;
747c478bd9Sstevel@tonic-gate } else {
757c478bd9Sstevel@tonic-gate /* else error */
767c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk);
777c478bd9Sstevel@tonic-gate errno = EBADF;
787c478bd9Sstevel@tonic-gate return (EOF);
797c478bd9Sstevel@tonic-gate }
807c478bd9Sstevel@tonic-gate }
817c478bd9Sstevel@tonic-gate #ifdef _C89_INTMAX32
827c478bd9Sstevel@tonic-gate count = _ndoprnt(format, ap, stdout, _F_INTMAX32);
837c478bd9Sstevel@tonic-gate #else
847c478bd9Sstevel@tonic-gate count = _ndoprnt(format, ap, stdout, 0);
857c478bd9Sstevel@tonic-gate #endif
867c478bd9Sstevel@tonic-gate /* check for error or EOF */
877c478bd9Sstevel@tonic-gate if (FERROR(stdout) || count == EOF) {
887c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk);
897c478bd9Sstevel@tonic-gate return (EOF);
907c478bd9Sstevel@tonic-gate }
917c478bd9Sstevel@tonic-gate
927c478bd9Sstevel@tonic-gate FUNLOCKFILE(lk);
937c478bd9Sstevel@tonic-gate
947c478bd9Sstevel@tonic-gate /* check for overflow */
957c478bd9Sstevel@tonic-gate if ((size_t)count > MAXINT) {
967c478bd9Sstevel@tonic-gate errno = EOVERFLOW;
977c478bd9Sstevel@tonic-gate return (EOF);
987c478bd9Sstevel@tonic-gate } else {
997c478bd9Sstevel@tonic-gate return ((int)count);
1007c478bd9Sstevel@tonic-gate }
1017c478bd9Sstevel@tonic-gate }
102