1/*
2 * Copyright (c) 2008, 2012, 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
26#include "jni.h"
27#include "jni_util.h"
28#include "jvm.h"
29#include "jlong.h"
30
31#include <stdlib.h>
32#include <string.h>
33
34#include <CoreFoundation/CoreFoundation.h>
35
36JNIEXPORT jcharArray JNICALL
37Java_sun_nio_fs_MacOSXNativeDispatcher_normalizepath(JNIEnv* env, jclass this,
38                                                     jcharArray path,
39                                                     jint form)
40{
41    jcharArray result = NULL;
42    char *chars;
43    CFMutableStringRef csref = CFStringCreateMutable(NULL, 0);
44    if (csref == NULL) {
45        JNU_ThrowOutOfMemoryError(env, "native heap");
46        return NULL;
47    }
48    chars = (char*)(*env)->GetPrimitiveArrayCritical(env, path, 0);
49    if (chars != NULL) {
50        char chars_buf[(PATH_MAX + 1) * 2];     // utf16 + zero padding
51        jsize len = (*env)->GetArrayLength(env, path);
52        CFStringAppendCharacters(csref, (const UniChar*)chars, len);
53        (*env)->ReleasePrimitiveArrayCritical(env, path, chars, 0);
54        CFStringNormalize(csref, form);
55        len = CFStringGetLength(csref);
56        if (len < PATH_MAX) {
57            if (CFStringGetCString(csref, chars_buf, sizeof(chars_buf), kCFStringEncodingUTF16)) {
58                result = (*env)->NewCharArray(env, len);
59                if (result != NULL) {
60                    (*env)->SetCharArrayRegion(env, result, 0, len, (jchar*)&chars_buf);
61                }
62            }
63        } else {
64            int ulen = (len + 1) * 2;
65            chars = malloc(ulen);
66            if (chars == NULL) {
67                JNU_ThrowOutOfMemoryError(env, "native heap");
68            } else {
69                if (CFStringGetCString(csref, chars, ulen, kCFStringEncodingUTF16)) {
70                    result = (*env)->NewCharArray(env, len);
71                    if (result != NULL) {
72                        (*env)->SetCharArrayRegion(env, result, 0, len, (jchar*)chars);
73                    }
74                }
75                free(chars);
76            }
77        }
78    }
79    CFRelease(csref);
80    return result;
81}
82