1/*
2 * Copyright (c) 1998, 2014, 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 <stdlib.h>
27#include <jni.h>
28#include <jni_util.h>
29#include <stdio.h>
30#include <jvm.h>
31
32#include "java_lang_StringCoding.h"
33
34static void
35printToFile(JNIEnv *env, jstring s, FILE *file)
36{
37    char *sConverted;
38    int length = 0;
39    int i;
40    const jchar *sAsArray;
41
42    if (s == NULL) {
43        JNU_ThrowNullPointerException(env, NULL);
44        return;
45    }
46
47    sAsArray = (*env)->GetStringChars(env, s, NULL);
48    if (!sAsArray)
49        return;
50    length = (*env)->GetStringLength(env, s);
51    if (length == 0) {
52        (*env)->ReleaseStringChars(env, s, sAsArray);
53        return;
54    }
55    sConverted = (char *) malloc(length + 1);
56    if (!sConverted) {
57        (*env)->ReleaseStringChars(env, s, sAsArray);
58        JNU_ThrowOutOfMemoryError(env, NULL);
59        return;
60    }
61
62    for(i = 0; i < length; i++) {
63        sConverted[i] = (0x7f & sAsArray[i]);
64    }
65    sConverted[length] = '\0';
66    jio_fprintf(file, "%s", sConverted);
67    (*env)->ReleaseStringChars(env, s, sAsArray);
68    free(sConverted);
69}
70
71JNIEXPORT void JNICALL
72Java_java_lang_StringCoding_err(JNIEnv *env, jclass cls, jstring s)
73{
74    printToFile(env, s, stderr);
75}
76