add native implementation

Makefile

@@ -18,6 +18,7 @@ $(TARGET)/snappy-$(VERSION): $(SNAPPY_ARCHIVE)
 
 
 
-$(SRC)/org/xerial/snappy/Snappy.h: $(SRC)/org/xerial/snappy/Snappy.java
+$(SRC)/org/xerial/snappy/SnappyNative.h: $(SRC)/org/xerial/snappy/Snappy.java
 	javah -classpath $(TARGET)/classes -o $@ org.xerial.snappy.Snappy
 
+

devnote.txt

@@ -0,0 +1,5 @@
+
+mingwin compile
+
+ x86_64-w64-mingw32-cpp src/main/java/org/xerial/snappy/SnappyNative.cpp -Isrc/main/java/org/xerial/snappy -Itarget/snappy-1.0.1 -I../sqlite-jdbc/lib/inc_win -D_JNI_IMPLEMENTATION_ -O -o target/SnappyNative.o
+

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

@@ -0,0 +1,51 @@
+#include <snappy.h>
+#include "SnappyNative.h"
+
+/*
+ * Class:     org_xerial_snappy_Snappy
+ * Method:    compress
+ * Signature: (Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)J
+ */
+JNIEXPORT jlong JNICALL Java_org_xerial_snappy_Snappy_compress
+  (JNIEnv *, jobject, jobject, jobject)
+{
+	return (jlong) 0;
+}
+
+/*
+ * Class:     org_xerial_snappy_Snappy
+ * Method:    uncompress
+ * Signature: (Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)Z
+ */
+JNIEXPORT jboolean JNICALL Java_org_xerial_snappy_Snappy_uncompress
+  (JNIEnv *, jobject, jobject, jobject)
+{
+
+	return (jboolean) true;
+}
+
+/*
+ * Class:     org_xerial_snappy_Snappy
+ * Method:    maxCompressedLength
+ * Signature: (J)J
+ */
+JNIEXPORT jlong JNICALL Java_org_xerial_snappy_Snappy_maxCompressedLength
+  (JNIEnv *, jobject, jlong)
+{
+
+	return (jlong) 0;
+}
+
+/*
+ * Class:     org_xerial_snappy_Snappy
+ * Method:    getUncompressedLength
+ * Signature: (Ljava/nio/ByteBuffer;)J
+ */
+JNIEXPORT jlong JNICALL Java_org_xerial_snappy_Snappy_getUncompressedLength
+  (JNIEnv *, jobject, jobject)
+{
+
+	return (jlong) 0;
+}
+
+