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-rw-r--r--sysdeps/generic/bits/sockaddr.h5
-rw-r--r--sysdeps/generic/bits/socket.h4
-rw-r--r--sysdeps/generic/bits/sockunion.h40
3 files changed, 46 insertions, 3 deletions
diff --git a/sysdeps/generic/bits/sockaddr.h b/sysdeps/generic/bits/sockaddr.h
index 73a0e26ec4..1c523444ba 100644
--- a/sysdeps/generic/bits/sockaddr.h
+++ b/sysdeps/generic/bits/sockaddr.h
@@ -1,5 +1,5 @@
 /* Definition of `struct sockaddr_*' common members.  Generic/4.2 BSD version.
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -37,5 +37,8 @@ typedef unsigned short int sa_family_t;
 
 #define __SOCKADDR_COMMON_SIZE	(sizeof (unsigned short int))
 
+/* Return the length of a `sockaddr' structure.  */
+#define SA_LEN(_x)	__libc_sa_len((_x)->sa_family)
+extern int __libc_sa_len __P ((sa_family_t __af));
 
 #endif	/* bits/sockaddr.h */
diff --git a/sysdeps/generic/bits/socket.h b/sysdeps/generic/bits/socket.h
index a2858b8de8..5dc1e65370 100644
--- a/sysdeps/generic/bits/socket.h
+++ b/sysdeps/generic/bits/socket.h
@@ -1,5 +1,5 @@
 /* System-specific socket constants and types.  Generic/4.3 BSD version.
-   Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
+   Copyright (C) 1991, 92, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -17,7 +17,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#ifndef _SYS_SOCKET_H
+#if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H
 # error "Never include <bits/socket.h> directly; use <sys/socket.h> instead."
 #endif
 
diff --git a/sysdeps/generic/bits/sockunion.h b/sysdeps/generic/bits/sockunion.h
new file mode 100644
index 0000000000..8f82ce0c20
--- /dev/null
+++ b/sysdeps/generic/bits/sockunion.h
@@ -0,0 +1,40 @@
+/* Definition of `sockaddr_union'.  Generic/4.2 BSD version.
+   Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/*
+ * Never include this file directly; use <sys/socket.h> instead.
+ */
+
+#ifndef _BITS_SOCKUNION_H
+#define _BITS_SOCKUNION_H	1
+
+#include <netinet/in.h>
+#include <sys/un.h>
+
+/* Union of all sockaddr types (required by IPv6 Basic API).  */
+union sockaddr_union
+  {
+    struct sockaddr sa;
+    struct sockaddr_in sin;
+    struct sockaddr_in6 sin6;
+    struct sockaddr_un sun;
+    char __maxsize[128];
+  };
+
+#endif	/* bits/sockunion.h */