1 /*
   2  * Copyright (c) 2008, 2009, 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 #include <CoreServices/CoreServices.h>
  36 
  37 JNIEXPORT jcharArray JNICALL
  38 Java_sun_nio_fs_MacOSXNativeDispatcher_normalizepath(JNIEnv* env, jclass this,
  39                                                      jcharArray path,
  40                                                      jint form)
  41 {
  42     jcharArray result = NULL;
  43     char chars_buf[(PATH_MAX + 1) * 2];     // utf16 + zero padding
  44     CFMutableStringRef csref = CFStringCreateMutable(NULL, 0);
  45     char *chars = (char*)(*env)->GetPrimitiveArrayCritical(env, path, 0);
  46     jsize len = (*env)->GetArrayLength(env, path);
  47     CFStringAppendCharacters(csref, (const UniChar*)chars, len);
  48     (*env)->ReleasePrimitiveArrayCritical(env, path, chars, 0);
  49     CFStringNormalize(csref, form);
  50     len = CFStringGetLength(csref);
  51     if (len < PATH_MAX) {
  52         if (CFStringGetCString(csref, chars_buf, sizeof(chars_buf), kCFStringEncodingUTF16)) {
  53             result = (*env)->NewCharArray(env, len);
  54             (*env)->SetCharArrayRegion(env, result, 0, len, (jchar*)&chars_buf);            
  55         }
  56     } else {
  57         int ulen = (len + 1) * 2;
  58         chars = malloc(ulen);
  59         if (chars != NULL) {
  60             if (CFStringGetCString(csref, chars, ulen, kCFStringEncodingUTF16)) {
  61                 result = (*env)->NewCharArray(env, len);
  62                 (*env)->SetCharArrayRegion(env, result, 0, len, (jchar*)chars);            
  63             }
  64             free(chars);
  65         }
  66     }
  67     CFRelease(csref);
  68     return result;
  69 }