Libc-498.tar.gz

[apple/libc.git] / sys / socketpair.c

diff --git a/sys/socketpair.c b/sys/socketpair.c
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+/*
+ * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*
+ * We need conformance on so that EOPNOTSUPP=102.  But the routine symbol
+ * will still be the legacy (undecorated) one.
+ */
+#undef __DARWIN_UNIX03
+#define __DARWIN_UNIX03                1
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <errno.h>
+
+extern int __socketpair(int, int, int, int [2]);
+
+/*
+ * socketpair stub, legacy version
+ */
+int
+socketpair(int domain, int type, int protocol, int socket_vector[2])
+{
+       int ret = __socketpair(domain, type, protocol, socket_vector);
+
+       /* use ENOTSUP for legacy behavior */
+       if (ret < 0 && errno == EOPNOTSUPP)
+               errno = ENOTSUP;
+       return ret;
+}