1 files changed, 70 insertions, 0 deletions
diff --git a/CNativeCode/Tool_JNI_funcs.c b/CNativeCode/Tool_JNI_funcs.c
new file mode 100644
index 0000000..3606a76
--- /dev/null
+++ b/CNativeCode/Tool_JNI_funcs.c
@@ -0,0 +1,70 @@
+#include "jnitools.h"
+
+JNIEXPORT jlong JNICALL
+Java_gl4java_utils_Tool_tmpfileCreate ( 
+	JNIEnv *env, jobject obj )
+{
+	return (jlong) ((PointerHolder)tmpfile());
+}
+
+JNIEXPORT jboolean JNICALL
+Java_gl4java_utils_Tool_tmpfileClose ( 
+	JNIEnv *env, jobject obj, jlong filed )
+{
+	return ( fclose( (FILE *) ((PointerHolder)filed) ) == 0 ) ? 
+	       JNI_TRUE : JNI_FALSE;
+}
+
+JNIEXPORT jint JNICALL
+Java_gl4java_utils_Tool_tmpfileWrite ( 
+	JNIEnv *env, jobject obj, jlong filed, jbyteArray data, int bytes)
+{
+	jint len;
+	jbyte * ptr = NULL;
+
+	if(data==NULL || filed==0) return 0;
+
+	len = (*env)->GetArrayLength(env, data);
+	if( 0 >= bytes || bytes>len ) bytes=len;
+
+	ptr = (*env)->GetByteArrayElements(env, data, NULL);
+
+	len = (jint) fwrite ( (void *) ptr, bytes, 1,  
+	                      (FILE *) ((PointerHolder)filed) );
+
+	/* NO copy back,  free the memory .. */
+	(*env)->ReleaseByteArrayElements(env, data, ptr, JNI_ABORT);
+
+	return len;
+}
+
+JNIEXPORT jint JNICALL
+Java_gl4java_utils_Tool_tmpfileRead ( 
+	JNIEnv *env, jobject obj, jlong filed, jbyteArray data, int bytes)
+{
+	jint len;
+	jbyte * ptr = NULL;
+
+	if(data==NULL || filed==0) return 0;
+
+	len = (*env)->GetArrayLength(env, data);
+	if( 0 >= bytes || bytes>len ) bytes=len;
+
+	ptr = (*env)->GetByteArrayElements(env, data, NULL);
+
+	len = (jint) fread ( (void *) ptr, bytes, 1,  
+	                     (FILE *) ((PointerHolder)filed) );
+
+	/* copy back and free the memory .. */
+	(*env)->ReleaseByteArrayElements(env, data, ptr, 0);
+
+	return len;
+}
+
+JNIEXPORT void JNICALL
+Java_gl4java_utils_Tool_tmpfileRewind ( 
+	JNIEnv *env, jobject obj, jlong filed)
+{
+	(void) fseek ( (FILE *) ((PointerHolder)filed), 0L, SEEK_SET );
+}
+