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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 /* 24 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #pragma ident "%Z%%M% %I% %E% SMI" 29 30 /* Copyright (c) 1986 AT&T */ 31 /* All Rights Reserved */ 32 33 34 #include "synonyms.h" 35 #include <stdio.h> 36 #include <stdarg.h> 37 #include <stdlib.h> 38 #include <widec.h> 39 #include <string.h> 40 #include <limits.h> 41 42 /* 43 * wsprintf -- this function will output a wchar_t string 44 * according to the conversion format. 45 * Note that the maximum length of the output 46 * string is 1024 bytes. 47 */ 48 49 /*VARARGS2*/ 50 int 51 wsprintf(wchar_t *wstring, const char *format, ...) 52 { 53 va_list ap; 54 char tempstring[1024]; 55 char *p2; 56 size_t len; 57 int malloced = 0; 58 char *p1 = (char *)wstring; 59 int retcode; 60 int i; 61 62 va_start(ap, format); 63 if (vsprintf(p1, format, ap) == -1) { 64 va_end(ap); 65 return (-1); 66 } 67 va_end(ap); 68 len = strlen(p1) + 1; 69 if (len > 1024) { 70 p2 = malloc(len); 71 if (p2 == NULL) 72 return (-1); 73 malloced = 1; 74 } else 75 p2 = tempstring; 76 (void) strcpy(p2, p1); 77 78 if (mbstowcs(wstring, p2, len) == (size_t)-1) { 79 for (i = 0; i < len; i++) { 80 if ((retcode = mbtowc(wstring, p2, MB_CUR_MAX)) == -1) { 81 *wstring = (wchar_t)*p2 & 0xff; 82 p2++; 83 } else { 84 p2 += retcode; 85 } 86 if (*wstring++ == (wchar_t)0) { 87 break; 88 } 89 } 90 } 91 92 if (malloced == 1) 93 free(p2); 94 len = wcslen(wstring); 95 if (len <= INT_MAX) 96 return ((int)len); 97 else 98 return (EOF); 99 } 100