init

unitree_SDK/include/dds/ddsrt/endian.h

@@ -0,0 +1,62 @@
+/*
+ * Copyright(c) 2006 to 2019 ZettaScale Technology and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
+ * v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+#ifndef DDSRT_ENDIAN_H
+#define DDSRT_ENDIAN_H
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#define DDSRT_LITTLE_ENDIAN 1
+#define DDSRT_BIG_ENDIAN 2
+
+#if _WIN32
+# if defined(__BIG_ENDIAN)
+#   define DDSRT_ENDIAN DDSRT_BIG_ENDIAN
+# else
+#   define DDSRT_ENDIAN DDSRT_LITTLE_ENDIAN
+# endif
+/* _WIN32 */
+#elif defined(__IAR_SYSTEMS_ICC__)
+# if __LITTLE_ENDIAN__ == 1
+#   define DDSRT_ENDIAN DDSRT_LITTLE_ENDIAN
+# else
+#   define DDSRT_ENDIAN DDSRT_BIG_ENDIAN
+# endif
+/* __IAR_SYSTEMS_ICC__ */
+#else
+# if defined(__BYTE_ORDER__)
+#   if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#     define DDSRT_ENDIAN DDSRT_BIG_ENDIAN
+#   elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#     define DDSRT_ENDIAN DDSRT_LITTLE_ENDIAN
+#   endif
+# elif defined(__sun)
+#   include <sys/isa_defs.h>
+#   if defined(_BIG_ENDIAN)
+#     define DDSRT_ENDIAN DDSRT_BIG_ENDIAN
+#   elif defined(_LITTLE_ENDIAN)
+#     define DDSRT_ENDIAN DDSRT_LITTLE_ENDIAN
+#   endif
+# endif
+#endif /* _WIN32 */
+
+#if (DDSRT_ENDIAN != DDSRT_LITTLE_ENDIAN) && \
+    (DDSRT_ENDIAN != DDSRT_BIG_ENDIAN)
+# error "Endianness cannot be determined"
+#endif
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* DDSRT_ENDIAN_H */