4 files changed, 54 insertions, 9 deletions
diff --git a/sysdeps/mach/hurd/bits/socket.h b/sysdeps/mach/hurd/bits/socket.h
index 02c5dac032..257e438ed2 100644
--- a/sysdeps/mach/hurd/bits/socket.h
+++ b/sysdeps/mach/hurd/bits/socket.h
@@ -156,20 +156,20 @@ struct sockaddr
 
 
 /* Structure large enough to hold any socket address (with the historical
-   exception of AF_UNIX).  We reserve 128 bytes.  */
+   exception of AF_UNIX).  */
 #if ULONG_MAX > 0xffffffff
 # define __ss_aligntype	__uint64_t
 #else
 # define __ss_aligntype	__uint32_t
 #endif
-#define _SS_SIZE	128
-#define _SS_PADSIZE	(_SS_SIZE - (2 * sizeof (__ss_aligntype)))
+#define _SS_PADSIZE \
+  (_SS_SIZE - __SOCKADDR_COMMON_SIZE - sizeof (__ss_aligntype))
 
 struct sockaddr_storage
   {
     __SOCKADDR_COMMON (ss_);	/* Address family, etc.  */
-    __ss_aligntype __ss_align;	/* Force desired alignment.  */
     char __ss_padding[_SS_PADSIZE];
+    __ss_aligntype __ss_align;	/* Force desired alignment.  */
   };
 
 
diff --git a/sysdeps/unix/bsd/bits/sockaddr.h b/sysdeps/unix/bsd/bits/sockaddr.h
index aa127689bf..f5900f9d73 100644
--- a/sysdeps/unix/bsd/bits/sockaddr.h
+++ b/sysdeps/unix/bsd/bits/sockaddr.h
@@ -1,4 +1,4 @@
-/* Definition of `struct sockaddr_*' common members.  4.4 BSD version.
+/* Definition of struct sockaddr_* common members and sizes, BSD version.
    Copyright (C) 1995-2016 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -39,4 +39,7 @@ typedef unsigned char sa_family_t;
 
 #define _HAVE_SA_LEN	1	/* We have the sa_len field.  */
 
+/* Size of struct sockaddr_storage.  */
+#define _SS_SIZE 128
+
 #endif	/* bits/sockaddr.h */
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index a57048c04d..2eb95f7e20 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -175,16 +175,16 @@ struct sockaddr
 
 
 /* Structure large enough to hold any socket address (with the historical
-   exception of AF_UNIX).  We reserve 128 bytes.  */
+   exception of AF_UNIX).  */
 #define __ss_aligntype	unsigned long int
-#define _SS_SIZE	128
-#define _SS_PADSIZE	(_SS_SIZE - (2 * sizeof (__ss_aligntype)))
+#define _SS_PADSIZE \
+  (_SS_SIZE - __SOCKADDR_COMMON_SIZE - sizeof (__ss_aligntype))
 
 struct sockaddr_storage
   {
     __SOCKADDR_COMMON (ss_);	/* Address family, etc.  */
-    __ss_aligntype __ss_align;	/* Force desired alignment.  */
     char __ss_padding[_SS_PADSIZE];
+    __ss_aligntype __ss_align;	/* Force desired alignment.  */
   };
 
 
diff --git a/sysdeps/unix/sysv/linux/m68k/bits/sockaddr.h b/sysdeps/unix/sysv/linux/m68k/bits/sockaddr.h
new file mode 100644
index 0000000000..5721f99fd9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/bits/sockaddr.h
@@ -0,0 +1,42 @@
+/* Definition of struct sockaddr_* members and sizes, Linux/m68k version.
+   Copyright (C) 1995-2016 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/*
+ * Never include this file directly; use <sys/socket.h> instead.
+ */
+
+#ifndef _BITS_SOCKADDR_H
+#define _BITS_SOCKADDR_H	1
+
+
+/* POSIX.1g specifies this type name for the `sa_family' member.  */
+typedef unsigned short int sa_family_t;
+
+/* This macro is used to declare the initial common members
+   of the data types used for socket addresses, `struct sockaddr',
+   `struct sockaddr_in', `struct sockaddr_un', etc.  */
+
+#define	__SOCKADDR_COMMON(sa_prefix) \
+  sa_family_t sa_prefix##family
+
+#define __SOCKADDR_COMMON_SIZE	(sizeof (unsigned short int))
+
+/* Size of struct sockaddr_storage.  */
+#define _SS_SIZE 126
+
+#endif	/* bits/sockaddr.h */