77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "jni.h"
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#include "jni_util.h"
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JNIEXPORT jbyteArray JNICALL
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Java_StringPlatformChars_getBytes(JNIEnv *env, jclass unused, jstring value)
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{
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const char* str;
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int len;
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jbyteArray bytes = NULL;
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str = JNU_GetStringPlatformChars(env, value, NULL);
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if (str == NULL) {
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return NULL;
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}
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len = (int)strlen(str);
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bytes = (*env)->NewByteArray(env, len);
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if (bytes != 0) {
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jclass strClazz = JNU_ClassString(env);
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if (strClazz == NULL) {
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return NULL;
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}
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(*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte *)str);
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return bytes;
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}
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return NULL;
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}
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JNIEXPORT jstring JNICALL
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Java_StringPlatformChars_newString(JNIEnv *env, jclass unused, jbyteArray bytes)
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{
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char* str;
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int len = (*env)->GetArrayLength(env, bytes);
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int i;
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jbyte* jbytes;
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str = (char*)malloc(len + 1);
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jbytes = (*env)->GetPrimitiveArrayCritical(env, bytes, NULL);
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if (jbytes == NULL) {
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return NULL;
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}
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for (i = 0; i < len; i++) {
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str[i] = (char)jbytes[i];
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}
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str[len] = '\0';
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(*env)->ReleasePrimitiveArrayCritical(env, bytes, (void*)jbytes, 0);
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return JNU_NewStringPlatform(env, str);
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}
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