1/*
2 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25#include <windows.h>
26#include <stdlib.h>
27#include <stdio.h>
28
29
30/*
31 * Convert UTF-8 to a platform string
32 */
33int
34convertUft8ToPlatformString(char* utf8_str, int utf8_len, char* platform_str, int platform_len) {
35    LANGID langID;
36    LCID localeID;
37    TCHAR strCodePage[7];       // ANSI code page id
38    UINT codePage;
39    int wlen, plen;
40    WCHAR* wstr;
41
42    /*
43     * Get the code page for this locale
44     */
45    langID = LANGIDFROMLCID(GetUserDefaultLCID());
46    localeID = MAKELCID(langID, SORT_DEFAULT);
47    if (GetLocaleInfo(localeID, LOCALE_IDEFAULTANSICODEPAGE,
48                      strCodePage, sizeof(strCodePage)/sizeof(TCHAR)) > 0 ) {
49        codePage = atoi(strCodePage);
50    } else {
51        codePage = GetACP();
52    }
53
54    /*
55     * To convert the string to platform encoding we must first convert
56     * to unicode, and then convert to the platform encoding
57     */
58    plen = -1;
59    wlen = MultiByteToWideChar(CP_UTF8, 0, utf8_str, utf8_len, NULL, 0);
60    if (wlen > 0) {
61        wstr = (WCHAR*)malloc(wlen * sizeof(WCHAR));
62        if (wstr != NULL) {
63            if (MultiByteToWideChar(CP_UTF8,
64                                    0,
65                                    utf8_str,
66                                    utf8_len,
67                                    wstr, wlen) > 0) {
68                plen = WideCharToMultiByte(codePage,
69                                           0,
70                                           wstr,
71                                           wlen,
72                                           platform_str,
73                                           platform_len,
74                                           NULL,
75                                           NULL);
76                if (plen >= 0) {
77                    platform_str[plen] = '\0';
78                }
79                free(wstr);
80            }
81        }
82    }
83    return plen;
84}
85