upload android base code part6

android/libnativehelper/ALog-priv.h

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2013 The Android Open Source Project
+ *
+ * Licensed 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.
+ */
+
+#ifndef NATIVEHELPER_ALOGPRIV_H_
+#define NATIVEHELPER_ALOGPRIV_H_
+
+#include <android/log.h>
+
+#ifndef LOG_NDEBUG
+#ifdef NDEBUG
+#define LOG_NDEBUG 1
+#else
+#define LOG_NDEBUG 0
+#endif
+#endif
+
+
+/*
+ * Basic log message macros intended to emulate the behavior of log/log.h
+ * in system core.  This should be dependent only on ndk exposed logging
+ * functionality.
+ */
+
+#ifndef ALOG
+#define ALOG(priority, tag, fmt...) \
+    __android_log_print(ANDROID_##priority, tag, fmt)
+#endif
+
+#ifndef ALOGV
+#if LOG_NDEBUG
+#define ALOGV(...)   ((void)0)
+#else
+#define ALOGV(...) ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
+#endif
+#endif
+
+#ifndef ALOGD
+#define ALOGD(...) ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__))
+#endif
+
+#ifndef ALOGI
+#define ALOGI(...) ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__))
+#endif
+
+#ifndef ALOGW
+#define ALOGW(...) ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__))
+#endif
+
+#ifndef ALOGE
+#define ALOGE(...) ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__))
+#endif
+
+#endif