Fix warning from inconsistent socket_pair prototype.

src/core/platform.h

@@ -1,5 +1,5 @@
 //
-// Copyright 2021 Staysail Systems, Inc. <[email protected]>
+// Copyright 2024 Staysail Systems, Inc. <[email protected]>
 // Copyright 2018 Capitar IT Group BV <[email protected]>
 // Copyright 2018 Devolutions <[email protected]>
 //
@@ -445,7 +445,7 @@ extern int nni_plat_udp_sockname(nni_plat_udp *, nni_sockaddr *);
 // in APIs to transport file descriptors, or across a fork/exec boundary (so
 // that child processes may use these with socket to inherit a socket that is
 // connected to the parent.)
-extern int nni_socket_pair(int *);
+extern int nni_socket_pair(int [2]);
 
 //
 // File/Store Support

src/platform/posix/posix_socketpair.c

@@ -36,8 +36,8 @@ nni_socket_pair(int fds[2])
 }
 #else
 int
-nni_socket_pair(int *fds)
+nni_socket_pair(int fds[2])
 {
 	return (NNG_ENOTSUP);
 }
-#endif
+#endif

src/platform/windows/win_socketpair.c

@@ -18,7 +18,7 @@
 #include <sys/socket.h>
 
 int
-nni_socket_pair(int *fds)
+nni_socket_pair(int fds[2])
 {
 	int rv;
 	rv = socketpair(PF_UNIX, SOCK_STREAM, 0, fds);

src/supplemental/util/platform.c

@@ -1,5 +1,5 @@
 //
-// Copyright 2021 Staysail Systems, Inc. <[email protected]>
+// Copyright 2024 Staysail Systems, Inc. <[email protected]>
 // Copyright 2018 Capitar IT Group BV <[email protected]>
 //
 // This software is supplied under the terms of the MIT License, a
@@ -166,7 +166,7 @@ nng_random(void)
 }
 
 int
-nng_socket_pair(int *fds)
+nng_socket_pair(int fds[2])
 {
 	return (nni_socket_pair(fds));
-}
+}