1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include "lint.h" 30 #include "file64.h" 31 #include <mtlib.h> 32 #include <stdio.h> 33 #include <stdarg.h> 34 #include <errno.h> 35 #include <thread.h> 36 #include <synch.h> 37 #include <values.h> 38 #include <wchar.h> 39 #include "print.h" 40 #include "stdiom.h" 41 #include <sys/types.h> 42 #include "libc.h" 43 #include "mse.h" 44 45 /* 46 * 32-bit shadow functions _wprintf_c89(), _fwprintf_c89(), _swprintf_c89() 47 * are included here. 48 * When using the c89 compiler to build 32-bit applications, the size 49 * of intmax_t is 32-bits, otherwise the size of intmax_t is 64-bits. 50 * The shadow function uses 32-bit size of intmax_t for j conversion. 51 * The #pragma redefine_extname in <stdio.h> selects the proper routine 52 * at compile time for the user application. 53 * NOTE: the shadow functions only exist in the 32-bit library. 54 */ 55 56 int 57 wprintf(const wchar_t *format, ...) 58 { 59 ssize_t count; 60 rmutex_t *lk; 61 va_list ap; 62 63 va_start(ap, format); 64 FLOCKFILE(lk, stdout); 65 66 if (_set_orientation_wide(stdout, NULL, NULL, 0) == -1) { 67 errno = EBADF; 68 FUNLOCKFILE(lk); 69 return (EOF); 70 } 71 72 if (!(stdout->_flag & _IOWRT)) { 73 /* if no write flag */ 74 if (stdout->_flag & _IORW) { 75 /* if ok, cause read-write */ 76 stdout->_flag |= _IOWRT; 77 } else { 78 /* else error */ 79 errno = EBADF; 80 FUNLOCKFILE(lk); 81 return (EOF); 82 } 83 } 84 85 count = _wndoprnt(format, ap, stdout, 0); 86 va_end(ap); 87 if (FERROR(stdout) || count == EOF) { 88 FUNLOCKFILE(lk); 89 return (EOF); 90 } 91 FUNLOCKFILE(lk); 92 /* check for overflow */ 93 if ((size_t)count > MAXINT) { 94 errno = EOVERFLOW; 95 return (EOF); 96 } else { 97 return ((int)count); 98 } 99 } 100 101 int 102 fwprintf(FILE *iop, const wchar_t *format, ...) 103 { 104 ssize_t count; 105 rmutex_t *lk; 106 va_list ap; 107 108 va_start(ap, format); 109 110 FLOCKFILE(lk, iop); 111 112 if (_set_orientation_wide(iop, NULL, NULL, 0) == -1) { 113 errno = EBADF; 114 FUNLOCKFILE(lk); 115 return (EOF); 116 } 117 118 if (!(iop->_flag & _IOWRT)) { 119 /* if no write flag */ 120 if (iop->_flag & _IORW) { 121 /* if ok, cause read-write */ 122 iop->_flag |= _IOWRT; 123 } else { 124 /* else error */ 125 errno = EBADF; 126 FUNLOCKFILE(lk); 127 return (EOF); 128 } 129 } 130 131 count = _wndoprnt(format, ap, iop, 0); 132 va_end(ap); 133 if (FERROR(iop) || count == EOF) { 134 FUNLOCKFILE(lk); 135 return (EOF); 136 } 137 FUNLOCKFILE(lk); 138 /* check for overflow */ 139 if ((size_t)count > MAXINT) { 140 errno = EOVERFLOW; 141 return (EOF); 142 } else { 143 return ((int)count); 144 } 145 } 146 147 int 148 swprintf(wchar_t *string, size_t n, const wchar_t *format, ...) 149 { 150 ssize_t count; 151 FILE siop; 152 wchar_t *wp; 153 va_list ap; 154 155 if (n == 0) 156 return (EOF); 157 siop._cnt = (ssize_t)n - 1; 158 siop._base = siop._ptr = (unsigned char *)string; 159 siop._flag = _IOREAD; 160 161 va_start(ap, format); 162 count = _wndoprnt(format, ap, &siop, 0); 163 va_end(ap); 164 wp = (wchar_t *)(uintptr_t)siop._ptr; 165 *wp = L'\0'; 166 if (count == EOF) { 167 return (EOF); 168 } 169 /* check for overflow */ 170 if ((size_t)count > MAXINT) { 171 errno = EOVERFLOW; 172 return (EOF); 173 } else { 174 return ((int)count); 175 } 176 } 177 178 #ifndef _LP64 179 180 int 181 _wprintf_c89(const wchar_t *format, ...) 182 { 183 ssize_t count; 184 va_list ap; 185 186 va_start(ap, format); 187 count = _vwprintf_c89(format, ap); 188 va_end(ap); 189 return ((int)count); 190 } 191 192 int 193 _fwprintf_c89(FILE *iop, const wchar_t *format, ...) 194 { 195 ssize_t count; 196 va_list ap; 197 198 va_start(ap, format); 199 count = _vfwprintf_c89(iop, format, ap); 200 va_end(ap); 201 return ((int)count); 202 } 203 204 int 205 _swprintf_c89(wchar_t *string, size_t n, const wchar_t *format, ...) 206 { 207 ssize_t count; 208 va_list ap; 209 210 va_start(ap, format); 211 count = _vswprintf_c89(string, n, format, ap); 212 va_end(ap); 213 return ((int)count); 214 } 215 216 #endif /* _LP64 */ 217