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 <jlong.h>

    30 #include <stdio.h>

    31 #include <jvm.h>

    32 

    33 #include "sun_misc_MessageUtils.h"

    34 

    35 static void

    36 printToFile(JNIEnv *env, jstring s, FILE *file)

    37 {

    38     char *sConverted;

    39     int length = 0;

    40     int i;

    41     const jchar *sAsArray;

    42 

    43     if (s == NULL) {

    44       s = (*env)->NewStringUTF(env, "null");

    45       if (s == NULL) return;

    46     }

    47 

    48     sAsArray = (*env)->GetStringChars(env, s, NULL);

    49     if (!sAsArray)

    50         return;

    51     length = (*env)->GetStringLength(env, s);

    52     if (length == 0) {

    53         (*env)->ReleaseStringChars(env, s, sAsArray);

    54         return;

    55     }

    56     sConverted = (char *) malloc(length + 1);

    57     if (!sConverted) {

    58         (*env)->ReleaseStringChars(env, s, sAsArray);

    59         JNU_ThrowOutOfMemoryError(env, NULL);

    60         return;

    61     }

    62 

    63     for(i = 0; i < length; i++) {

    64         sConverted[i] = (0x7f & sAsArray[i]);

    65     }

    66     sConverted[length] = '\0';

    67     jio_fprintf(file, "%s", sConverted);

    68     (*env)->ReleaseStringChars(env, s, sAsArray);

    69     free(sConverted);

    70 }

    71 

    72 JNIEXPORT void JNICALL

    73 Java_sun_misc_MessageUtils_toStderr(JNIEnv *env, jclass cls, jstring s)

    74 {

    75     printToFile(env, s, stderr);

    76 }

    77 

    78 JNIEXPORT void JNICALL

    79 Java_sun_misc_MessageUtils_toStdout(JNIEnv *env, jclass cls, jstring s)

    80 {

    81     printToFile(env, s, stdout);

    82 }