first comit

venv/lib/python3.10/site-packages/zmq/utils/ipcmaxlen.h

@@ -0,0 +1,27 @@
+/*
+
+Platform-independant detection of IPC path max length
+
+Copyright (c) 2012 Godefroid Chapelle
+
+Distributed under the terms of the New BSD License.  The full license is in
+the file LICENSE.BSD, distributed as part of this software.
+ */
+
+#pragma once
+
+#if defined(HAVE_SYS_UN_H)
+#if defined _MSC_VER
+#include <afunix.h>
+#else
+#include <sys/un.h>
+#endif
+int get_ipc_path_max_len(void) {
+    struct sockaddr_un *dummy;
+    return sizeof(dummy->sun_path) - 1;
+}
+#else
+int get_ipc_path_max_len(void) {
+    return 0;
+}
+#endif