/*
* Class: net_jpountz_lz4_LZ4
* Method: LZ4_compressHC
* Signature: ([BII[BI)I
*/
JNIEXPORT jint JNICALL Java_net_jpountz_lz4_LZ4JNI_LZ4_1compressHC
(JNIEnv *env, jclass cls, jbyteArray src, jint srcOff, jint srcLen, jbyteArray dest, jint destOff, jint maxDestLen) {
char* in;
char* out;
jint compressed;
in = (char*) (*env)->GetPrimitiveArrayCritical(env, src, 0);
if (in == NULL) {
throw_OOM(env);
return 0;
}
out = (char*) (*env)->GetPrimitiveArrayCritical(env, dest, 0);
if (out == NULL) {
throw_OOM(env);
return 0;
}
compressed = LZ4_compressHC_limitedOutput(in + srcOff, out + destOff, srcLen, maxDestLen);
(*env)->ReleasePrimitiveArrayCritical(env, src, in, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, out, 0);
return compressed;
}
/*
* Class: net_jpountz_lz4_LZ4JNI
* Method: LZ4_decompress_safe_withPrefix64k
* Signature: ([BII[BII)I
*/
JNIEXPORT jint JNICALL Java_net_jpountz_lz4_LZ4JNI_LZ4_1decompress_1safe_1withPrefix64k
(JNIEnv *env, jclass cls, jbyteArray src, jint srcOff, jint srcLen, jbyteArray dest, jint destOff, jint maxDestLen) {
char* in;
char* out;
jint decompressed;
in = (char*) (*env)->GetPrimitiveArrayCritical(env, src, 0);
if (in == NULL) {
throw_OOM(env);
return 0;
}
out = (char*) (*env)->GetPrimitiveArrayCritical(env, dest, 0);
if (out == NULL) {
throw_OOM(env);
return 0;
}
decompressed = LZ4_decompress_safe_withPrefix64k(in + srcOff, out + destOff, srcLen, maxDestLen);
(*env)->ReleasePrimitiveArrayCritical(env, src, in, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, out, 0);
return decompressed;
}
/*
* Class: net_jpountz_lz4_LZ4
* Method: LZ4_decompress
* Signature: ([BI[BII)I
*/
JNIEXPORT jint JNICALL Java_net_jpountz_lz4_LZ4JNI_LZ4_1decompress
(JNIEnv *env, jclass cls, jbyteArray src, jint srcOff, jbyteArray dest, jint destOff, jint destLen) {
char* in = (char*) (*env)->GetPrimitiveArrayCritical(env, src, 0);
if (in == NULL) {
throw_OOM(env);
return 0;
}
char* out = (char*) (*env)->GetPrimitiveArrayCritical(env, dest, 0);
if (out == NULL) {
throw_OOM(env);
return 0;
}
jint compressed = LZ4_uncompress(in + srcOff, out + destOff, destLen);
(*env)->ReleasePrimitiveArrayCritical(env, src, in, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, out, 0);
return compressed;
}
/*
* Class: net_jpountz_xxhash_XXHashJNI
* Method: XXH32_init
* Signature: (I)J
*/
JNIEXPORT jlong JNICALL Java_net_jpountz_xxhash_XXHashJNI_XXH32_1init
(JNIEnv *env, jclass cls, jint seed) {
XXH32_state_t *state = XXH32_createState();
if (XXH32_reset(state, seed) != XXH_OK) {
XXH32_freeState(state);
throw_OOM(env);
return 0;
}
return (jlong) state;
}
/*
* Class: net_jpountz_lz4_LZ4
* Method: LZ4_compressHC
* Signature: ([BII[BI)I
*/
JNIEXPORT jint JNICALL Java_net_jpountz_lz4_LZ4JNI_LZ4_1compressHC
(JNIEnv *env, jclass cls, jbyteArray srcArray, jobject srcBuffer, jint srcOff, jint srcLen, jbyteArray destArray, jobject destBuffer, jint destOff, jint maxDestLen) {
char* in;
char* out;
jint compressed;
if (srcArray != NULL) {
in = (char*) (*env)->GetPrimitiveArrayCritical(env, srcArray, 0);
} else {
in = (char*) (*env)->GetDirectBufferAddress(env, srcBuffer);
}
if (in == NULL) {
throw_OOM(env);
return 0;
}
if (destArray != NULL) {
out = (char*) (*env)->GetPrimitiveArrayCritical(env, destArray, 0);
} else {
out = (char*) (*env)->GetDirectBufferAddress(env, destBuffer);
}
if (out == NULL) {
throw_OOM(env);
return 0;
}
compressed = LZ4_compressHC_limitedOutput(in + srcOff, out + destOff, srcLen, maxDestLen);
if (destArray != NULL) {
(*env)->ReleasePrimitiveArrayCritical(env, destArray, out, 0);
}
if (srcArray != NULL) {
(*env)->ReleasePrimitiveArrayCritical(env, srcArray, in, 0);
}
return compressed;
}
/*
* Class: net_jpountz_xxhash_XXHashJNI
* Method: XXH64_update
* Signature: (J[BII)V
*/
JNIEXPORT void JNICALL Java_net_jpountz_xxhash_XXHashJNI_XXH64_1update
(JNIEnv *env, jclass cls, jlong state, jbyteArray src, jint off, jint len) {
char* in = (char*) (*env)->GetPrimitiveArrayCritical(env, src, 0);
if (in == NULL) {
throw_OOM(env);
return;
}
XXH64_update((XXH64_state_t*) state, in + off, len);
(*env)->ReleasePrimitiveArrayCritical(env, src, in, 0);
}
/*
* Class: net_jpountz_xxhash_XXHashJNI
* Method: XXH32
* Signature: ([BIII)I
*/
JNIEXPORT jint JNICALL Java_net_jpountz_xxhash_XXHashJNI_XXH32
(JNIEnv *env, jclass cls, jbyteArray buf, jint off, jint len, jint seed) {
char* in = (char*) (*env)->GetPrimitiveArrayCritical(env, buf, 0);
if (in == NULL) {
throw_OOM(env);
return 0;
}
jint h32 = XXH32(in + off, len, seed);
(*env)->ReleasePrimitiveArrayCritical(env, buf, in, 0);
return h32;
}
/*
* Class: net_jpountz_xxhash_XXHashJNI
* Method: XXH32BB
* Signature: (Ljava/nio/ByteBuffer;III)I
*/
JNIEXPORT jint JNICALL Java_net_jpountz_xxhash_XXHashJNI_XXH32BB
(JNIEnv *env, jclass cls, jobject buf, jint off, jint len, jint seed) {
char* in;
jint h32;
in = (char*) (*env)->GetDirectBufferAddress(env, buf);
if (in == NULL) {
throw_OOM(env);
return 0;
}
h32 = XXH32(in + off, len, seed);
return h32;
}
/*
* Class: net_jpountz_xxhash_XXHashJNI
* Method: XXH64BB
* Signature: (Ljava/nio/ByteBuffer;IIJ)J
*/
JNIEXPORT jlong JNICALL Java_net_jpountz_xxhash_XXHashJNI_XXH64BB
(JNIEnv *env, jclass cls, jobject buf, jint off, jint len, jlong seed) {
char* in;
jlong h64;
in = (char*) (*env)->GetDirectBufferAddress(env, buf);
if (in == NULL) {
throw_OOM(env);
return 0;
}
h64 = XXH64(in + off, len, seed);
return h64;
}
