xref: /illumos-gate/usr/src/lib/libc/port/print/wprintf.c (revision 803376f0)
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
57257d1b4Sraf  * Common Development and Distribution License (the "License").
67257d1b4Sraf  * 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  */
217257d1b4Sraf 
227c478bd9Sstevel@tonic-gate /*
237257d1b4Sraf  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
26*4297a3b0SGarrett D'Amore /*
27*4297a3b0SGarrett D'Amore  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
28*4297a3b0SGarrett D'Amore  * Use is subject to license terms.
29*4297a3b0SGarrett D'Amore  */
307c478bd9Sstevel@tonic-gate 
317c478bd9Sstevel@tonic-gate 
327257d1b4Sraf #include "lint.h"
337c478bd9Sstevel@tonic-gate #include "file64.h"
347c478bd9Sstevel@tonic-gate #include <mtlib.h>
357c478bd9Sstevel@tonic-gate #include <stdio.h>
367c478bd9Sstevel@tonic-gate #include <stdarg.h>
377c478bd9Sstevel@tonic-gate #include <errno.h>
387c478bd9Sstevel@tonic-gate #include <thread.h>
397c478bd9Sstevel@tonic-gate #include <synch.h>
407c478bd9Sstevel@tonic-gate #include <values.h>
417c478bd9Sstevel@tonic-gate #include <wchar.h>
427c478bd9Sstevel@tonic-gate #include "print.h"
437c478bd9Sstevel@tonic-gate #include "stdiom.h"
447c478bd9Sstevel@tonic-gate #include <sys/types.h>
457c478bd9Sstevel@tonic-gate #include "libc.h"
467c478bd9Sstevel@tonic-gate #include "mse.h"
477c478bd9Sstevel@tonic-gate 
487c478bd9Sstevel@tonic-gate /*
497c478bd9Sstevel@tonic-gate  * 32-bit shadow functions _wprintf_c89(), _fwprintf_c89(), _swprintf_c89()
507c478bd9Sstevel@tonic-gate  * are included here.
517c478bd9Sstevel@tonic-gate  * When using the c89 compiler to build 32-bit applications, the size
527c478bd9Sstevel@tonic-gate  * of intmax_t is 32-bits, otherwise the size of intmax_t is 64-bits.
537c478bd9Sstevel@tonic-gate  * The shadow function uses 32-bit size of intmax_t for j conversion.
547c478bd9Sstevel@tonic-gate  * The #pragma redefine_extname in <stdio.h> selects the proper routine
557c478bd9Sstevel@tonic-gate  * at compile time for the user application.
567c478bd9Sstevel@tonic-gate  * NOTE: the shadow functions only exist in the 32-bit library.
577c478bd9Sstevel@tonic-gate  */
587c478bd9Sstevel@tonic-gate 
597c478bd9Sstevel@tonic-gate int
wprintf(const wchar_t * format,...)607c478bd9Sstevel@tonic-gate wprintf(const wchar_t *format, ...)
617c478bd9Sstevel@tonic-gate {
627c478bd9Sstevel@tonic-gate 	ssize_t	count;
637c478bd9Sstevel@tonic-gate 	rmutex_t	*lk;
647c478bd9Sstevel@tonic-gate 	va_list	ap;
657c478bd9Sstevel@tonic-gate 
667c478bd9Sstevel@tonic-gate 	va_start(ap, format);
677c478bd9Sstevel@tonic-gate 	FLOCKFILE(lk, stdout);
687c478bd9Sstevel@tonic-gate 
69*4297a3b0SGarrett D'Amore 	if (GET_NO_MODE(stdout))
70*4297a3b0SGarrett D'Amore 		_setorientation(stdout, _WC_MODE);
717c478bd9Sstevel@tonic-gate 
727c478bd9Sstevel@tonic-gate 	if (!(stdout->_flag & _IOWRT)) {
737c478bd9Sstevel@tonic-gate 		/* if no write flag */
747c478bd9Sstevel@tonic-gate 		if (stdout->_flag & _IORW) {
757c478bd9Sstevel@tonic-gate 			/* if ok, cause read-write */
767c478bd9Sstevel@tonic-gate 			stdout->_flag |= _IOWRT;
777c478bd9Sstevel@tonic-gate 		} else {
787c478bd9Sstevel@tonic-gate 			/* else error */
797c478bd9Sstevel@tonic-gate 			errno = EBADF;
807c478bd9Sstevel@tonic-gate 			FUNLOCKFILE(lk);
817c478bd9Sstevel@tonic-gate 			return (EOF);
827c478bd9Sstevel@tonic-gate 		}
837c478bd9Sstevel@tonic-gate 	}
847c478bd9Sstevel@tonic-gate 
857c478bd9Sstevel@tonic-gate 	count = _wndoprnt(format, ap, stdout, 0);
867c478bd9Sstevel@tonic-gate 	va_end(ap);
877c478bd9Sstevel@tonic-gate 	if (FERROR(stdout) || count == EOF) {
887c478bd9Sstevel@tonic-gate 		FUNLOCKFILE(lk);
897c478bd9Sstevel@tonic-gate 		return (EOF);
907c478bd9Sstevel@tonic-gate 	}
917c478bd9Sstevel@tonic-gate 	FUNLOCKFILE(lk);
927c478bd9Sstevel@tonic-gate 	/* check for overflow */
937c478bd9Sstevel@tonic-gate 	if ((size_t)count > MAXINT) {
947c478bd9Sstevel@tonic-gate 		errno = EOVERFLOW;
957c478bd9Sstevel@tonic-gate 		return (EOF);
967c478bd9Sstevel@tonic-gate 	} else {
977c478bd9Sstevel@tonic-gate 		return ((int)count);
987c478bd9Sstevel@tonic-gate 	}
997c478bd9Sstevel@tonic-gate }
1007c478bd9Sstevel@tonic-gate 
1017c478bd9Sstevel@tonic-gate int
fwprintf(FILE * iop,const wchar_t * format,...)1027c478bd9Sstevel@tonic-gate fwprintf(FILE *iop, const wchar_t *format, ...)
1037c478bd9Sstevel@tonic-gate {
1047c478bd9Sstevel@tonic-gate 	ssize_t	count;
1057c478bd9Sstevel@tonic-gate 	rmutex_t	*lk;
1067c478bd9Sstevel@tonic-gate 	va_list	ap;
1077c478bd9Sstevel@tonic-gate 
1087c478bd9Sstevel@tonic-gate 	va_start(ap, format);
1097c478bd9Sstevel@tonic-gate 
1107c478bd9Sstevel@tonic-gate 	FLOCKFILE(lk, iop);
1117c478bd9Sstevel@tonic-gate 
112*4297a3b0SGarrett D'Amore 	if (GET_NO_MODE(iop))
113*4297a3b0SGarrett D'Amore 		_setorientation(iop, _WC_MODE);
1147c478bd9Sstevel@tonic-gate 
1157c478bd9Sstevel@tonic-gate 	if (!(iop->_flag & _IOWRT)) {
1167c478bd9Sstevel@tonic-gate 		/* if no write flag */
1177c478bd9Sstevel@tonic-gate 		if (iop->_flag & _IORW) {
1187c478bd9Sstevel@tonic-gate 			/* if ok, cause read-write */
1197c478bd9Sstevel@tonic-gate 			iop->_flag |= _IOWRT;
1207c478bd9Sstevel@tonic-gate 		} else {
1217c478bd9Sstevel@tonic-gate 			/* else error */
1227c478bd9Sstevel@tonic-gate 			errno = EBADF;
1237c478bd9Sstevel@tonic-gate 			FUNLOCKFILE(lk);
1247c478bd9Sstevel@tonic-gate 			return (EOF);
1257c478bd9Sstevel@tonic-gate 		}
1267c478bd9Sstevel@tonic-gate 	}
1277c478bd9Sstevel@tonic-gate 
1287c478bd9Sstevel@tonic-gate 	count = _wndoprnt(format, ap, iop, 0);
1297c478bd9Sstevel@tonic-gate 	va_end(ap);
1307c478bd9Sstevel@tonic-gate 	if (FERROR(iop) || count == EOF) {
1317c478bd9Sstevel@tonic-gate 		FUNLOCKFILE(lk);
1327c478bd9Sstevel@tonic-gate 		return (EOF);
1337c478bd9Sstevel@tonic-gate 	}
1347c478bd9Sstevel@tonic-gate 	FUNLOCKFILE(lk);
1357c478bd9Sstevel@tonic-gate 	/* check for overflow */
1367c478bd9Sstevel@tonic-gate 	if ((size_t)count > MAXINT) {
1377c478bd9Sstevel@tonic-gate 		errno = EOVERFLOW;
1387c478bd9Sstevel@tonic-gate 		return (EOF);
1397c478bd9Sstevel@tonic-gate 	} else {
1407c478bd9Sstevel@tonic-gate 		return ((int)count);
1417c478bd9Sstevel@tonic-gate 	}
1427c478bd9Sstevel@tonic-gate }
1437c478bd9Sstevel@tonic-gate 
1447c478bd9Sstevel@tonic-gate int
swprintf(wchar_t * string,size_t n,const wchar_t * format,...)1457c478bd9Sstevel@tonic-gate swprintf(wchar_t *string, size_t n, const wchar_t *format, ...)
1467c478bd9Sstevel@tonic-gate {
1477c478bd9Sstevel@tonic-gate 	ssize_t	count;
1487c478bd9Sstevel@tonic-gate 	FILE	siop;
1497c478bd9Sstevel@tonic-gate 	wchar_t	*wp;
1507c478bd9Sstevel@tonic-gate 	va_list	ap;
1517c478bd9Sstevel@tonic-gate 
1527c478bd9Sstevel@tonic-gate 	if (n == 0)
1537c478bd9Sstevel@tonic-gate 		return (EOF);
1547c478bd9Sstevel@tonic-gate 	siop._cnt = (ssize_t)n - 1;
1557c478bd9Sstevel@tonic-gate 	siop._base = siop._ptr = (unsigned char *)string;
1567c478bd9Sstevel@tonic-gate 	siop._flag = _IOREAD;
1577c478bd9Sstevel@tonic-gate 
1587c478bd9Sstevel@tonic-gate 	va_start(ap, format);
1597c478bd9Sstevel@tonic-gate 	count = _wndoprnt(format, ap, &siop, 0);
1607c478bd9Sstevel@tonic-gate 	va_end(ap);
1617c478bd9Sstevel@tonic-gate 	wp = (wchar_t *)(uintptr_t)siop._ptr;
1627c478bd9Sstevel@tonic-gate 	*wp = L'\0';
1637c478bd9Sstevel@tonic-gate 	if (count == EOF) {
1647c478bd9Sstevel@tonic-gate 		return (EOF);
1657c478bd9Sstevel@tonic-gate 	}
1667c478bd9Sstevel@tonic-gate 	/* check for overflow */
1677c478bd9Sstevel@tonic-gate 	if ((size_t)count > MAXINT) {
1687c478bd9Sstevel@tonic-gate 		errno = EOVERFLOW;
1697c478bd9Sstevel@tonic-gate 		return (EOF);
1707c478bd9Sstevel@tonic-gate 	} else {
1717c478bd9Sstevel@tonic-gate 		return ((int)count);
1727c478bd9Sstevel@tonic-gate 	}
1737c478bd9Sstevel@tonic-gate }
1747c478bd9Sstevel@tonic-gate 
1757c478bd9Sstevel@tonic-gate #ifndef _LP64
1767c478bd9Sstevel@tonic-gate 
1777c478bd9Sstevel@tonic-gate int
_wprintf_c89(const wchar_t * format,...)1787c478bd9Sstevel@tonic-gate _wprintf_c89(const wchar_t *format, ...)
1797c478bd9Sstevel@tonic-gate {
1807c478bd9Sstevel@tonic-gate 	ssize_t	count;
1817c478bd9Sstevel@tonic-gate 	va_list	ap;
1827c478bd9Sstevel@tonic-gate 
1837c478bd9Sstevel@tonic-gate 	va_start(ap, format);
1847c478bd9Sstevel@tonic-gate 	count = _vwprintf_c89(format, ap);
1857c478bd9Sstevel@tonic-gate 	va_end(ap);
1867c478bd9Sstevel@tonic-gate 	return ((int)count);
1877c478bd9Sstevel@tonic-gate }
1887c478bd9Sstevel@tonic-gate 
1897c478bd9Sstevel@tonic-gate int
_fwprintf_c89(FILE * iop,const wchar_t * format,...)1907c478bd9Sstevel@tonic-gate _fwprintf_c89(FILE *iop, const wchar_t *format, ...)
1917c478bd9Sstevel@tonic-gate {
1927c478bd9Sstevel@tonic-gate 	ssize_t	count;
1937c478bd9Sstevel@tonic-gate 	va_list	ap;
1947c478bd9Sstevel@tonic-gate 
1957c478bd9Sstevel@tonic-gate 	va_start(ap, format);
1967c478bd9Sstevel@tonic-gate 	count = _vfwprintf_c89(iop, format, ap);
1977c478bd9Sstevel@tonic-gate 	va_end(ap);
1987c478bd9Sstevel@tonic-gate 	return ((int)count);
1997c478bd9Sstevel@tonic-gate }
2007c478bd9Sstevel@tonic-gate 
2017c478bd9Sstevel@tonic-gate int
_swprintf_c89(wchar_t * string,size_t n,const wchar_t * format,...)2027c478bd9Sstevel@tonic-gate _swprintf_c89(wchar_t *string, size_t n, const wchar_t *format, ...)
2037c478bd9Sstevel@tonic-gate {
2047c478bd9Sstevel@tonic-gate 	ssize_t	count;
2057c478bd9Sstevel@tonic-gate 	va_list	ap;
2067c478bd9Sstevel@tonic-gate 
2077c478bd9Sstevel@tonic-gate 	va_start(ap, format);
2087c478bd9Sstevel@tonic-gate 	count = _vswprintf_c89(string, n, format, ap);
2097c478bd9Sstevel@tonic-gate 	va_end(ap);
2107c478bd9Sstevel@tonic-gate 	return ((int)count);
2117c478bd9Sstevel@tonic-gate }
2127c478bd9Sstevel@tonic-gate 
2137c478bd9Sstevel@tonic-gate #endif	/* _LP64 */
214