Fix #29. Need to recreate native libraries for all OSes

src/main/java/org/xerial/snappy/SnappyNative.cpp

@@ -270,6 +270,19 @@ JNIEXPORT jboolean JNICALL Java_org_xerial_snappy_SnappyNative_isValidCompressed
 	return ret;
 }
 
+JNIEXPORT jboolean JNICALL Java_org_xerial_snappy_SnappyNative_isValidCompressedBuffer__JJJ
+  (JNIEnv * env, jobject self, jlong inputAddr, jlong offset, jlong length)
+{
+	if(inputAddr == 0) {
+		// out of memory
+		throw_exception(env, self, 4);
+		return 0;
+	}
+	bool ret = snappy::IsValidCompressedBuffer((char*) (inputAddr + offset), (size_t) length);
+	return ret;
+}
+
+
 JNIEXPORT void JNICALL Java_org_xerial_snappy_SnappyNative_arrayCopy
   (JNIEnv * env, jobject self, jobject input, jint offset, jint length, jobject output, jint output_offset)
 {

src/main/java/org/xerial/snappy/SnappyNative.h

@@ -111,6 +111,14 @@ JNIEXPORT jboolean JNICALL Java_org_xerial_snappy_SnappyNative_isValidCompressed
 JNIEXPORT jboolean JNICALL Java_org_xerial_snappy_SnappyNative_isValidCompressedBuffer__Ljava_lang_Object_2II
   (JNIEnv *, jobject, jobject, jint, jint);
 
+/*
+ * Class:     org_xerial_snappy_SnappyNative
+ * Method:    isValidCompressedBuffer
+ * Signature: (JJJ)Z
+ */
+JNIEXPORT jboolean JNICALL Java_org_xerial_snappy_SnappyNative_isValidCompressedBuffer__JJJ
+  (JNIEnv *, jobject, jlong, jlong, jlong);
+
 /*
  * Class:     org_xerial_snappy_SnappyNative
  * Method:    arrayCopy

src/main/java/org/xerial/snappy/SnappyNative.java

@@ -76,6 +76,8 @@ public class SnappyNative
 
     public native boolean isValidCompressedBuffer(Object input, int offset, int len) throws IOException;
 
+    public native boolean isValidCompressedBuffer(long inputAddr, long offset, long len) throws IOException;
+
     public native void arrayCopy(Object src, int offset, int byteLength, Object dest, int dOffset) throws IOException;
 
     public void throw_error(int errorCode) throws IOException {