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unitree_SDK/include/dds/ddsrt/iovec.h

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+/*
+ * Copyright(c) 2020 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_IOVEC_H
+#define DDSRT_IOVEC_H
+
+#if _WIN32
+typedef unsigned ddsrt_iov_len_t;
+typedef struct ddsrt_iovec {
+  ddsrt_iov_len_t iov_len;
+  void *iov_base;
+} ddsrt_iovec_t;
+
+// Equivalent to a DWORD
+typedef unsigned long ddsrt_msg_iovlen_t;
+
+#else // _WIN32
+
+#if DDSRT_WITH_LWIP
+#include <lwip/sockets.h>
+#else
+#include <stddef.h>
+#include <sys/socket.h>
+#endif
+
+typedef struct iovec ddsrt_iovec_t;
+typedef size_t ddsrt_iov_len_t;
+
+#if defined(__linux) && !LWIP_SOCKET
+typedef size_t ddsrt_msg_iovlen_t;
+#else /* POSIX says int (which macOS, FreeBSD, Solaris do) */
+typedef int ddsrt_msg_iovlen_t;
+#endif
+
+#endif // _WIN32
+
+#endif