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-rw-r--r--drive-sdk/src/common.h48
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diff --git a/drive-sdk/src/common.h b/drive-sdk/src/common.h
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+/*
+ * Copyright (c) 2014 Anki, Inc.
+ *
+ * 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 INCLUDE_common_h
+#define INCLUDE_common_h
+
+#ifdef __cplusplus
+# define ANKI_BEGIN_DECL extern "C" {
+# define ANKI_END_DECL }
+#else
+ /** Start declarations in C mode */
+# define ANKI_BEGIN_DECL /* empty */
+ /** End declarations in C mode */
+# define ANKI_END_DECL /* empty */
+#endif
+
+/** Declare a public function */
+#if __GNUC__ >= 4
+# define ANKI_EXTERN(type) extern \
+ __attribute__((visibility("default"))) \
+ type
+#elif defined(_MSC_VER)
+# define ANKI_EXTERN(type) __declspec(dllexport) type
+#else
+# define ANKI_EXTERN(type) extern type
+#endif
+
+/** Declare a function as always inlined. */
+#if defined(_MSC_VER)
+# define ANKI_INLINE(type) static __inline type
+#else
+# define ANKI_INLINE(type) static inline type
+#endif
+
+#endif