| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "jni.h" |
| #include "hy2sie.h" |
| #include "zlib.h" |
| #include "sieb.h" |
| |
| JNIEXPORT jlong JNICALL |
| Java_java_util_zip_Adler32_updateImpl (JNIEnv * env, jobject recv, |
| jbyteArray buf, int off, int len, |
| jlong crc) |
| { |
| jbyte *b; |
| jboolean isCopy; |
| jlong result; |
| |
| b = (*env)->GetPrimitiveArrayCritical (env, buf, &isCopy); |
| if (b == NULL) { |
| throwNewOutOfMemoryError(env, ""); |
| return 0; |
| } |
| result = (jlong) adler32 ((uLong) crc, (Bytef *) (b + off), (uInt) len); |
| (*env)->ReleasePrimitiveArrayCritical (env, buf, b, JNI_ABORT); |
| |
| return result; |
| } |
| |
| JNIEXPORT jlong JNICALL |
| Java_java_util_zip_Adler32_updateByteImpl (JNIEnv * env, jobject recv, |
| jint val, jlong crc) |
| { |
| Bytef bytefVal = val; |
| return adler32 ((uLong) crc, (Bytef *) (&bytefVal), 1); |
| } |
| |
| |
| /* |
| * JNI registration |
| */ |
| static JNINativeMethod gMethods[] = { |
| /* name, signature, funcPtr */ |
| { "updateImpl", "([BIIJ)J", Java_java_util_zip_Adler32_updateImpl }, |
| { "updateByteImpl", "(IJ)J", Java_java_util_zip_Adler32_updateByteImpl }, |
| }; |
| int register_java_util_zip_Adler32(JNIEnv* env) |
| { |
| return jniRegisterNativeMethods(env, "java/util/zip/Adler32", |
| gMethods, NELEM(gMethods)); |
| } |