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Diffstat (limited to 'bits')
-rw-r--r--bits/socket.h23
1 files changed, 22 insertions, 1 deletions
diff --git a/bits/socket.h b/bits/socket.h
index 480d5b592a..5eb29492b4 100644
--- a/bits/socket.h
+++ b/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, 98 Free Software Foundation, Inc.
+   Copyright (C) 1991,92,94,95,96,97,98,99 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
@@ -24,6 +24,9 @@
 # error "Never include <bits/socket.h> directly; use <sys/socket.h> instead."
 #endif
 
+#include <limits.h>
+#include <bits/types.h>
+
 #define	__need_size_t
 #include <stddef.h>
 
@@ -127,6 +130,24 @@ struct sockaddr
   };
 
 
+/* Structure large enough to hold any socket address (with the historical
+   exception of AF_UNIX).  We reserve 128 bytes.  */
+#if ULONG_MAX > 0xffffffff
+# define __ss_align	__uint64_t
+#else
+# define __ss_align	__uint32_t
+#endif
+#define _SS_SIZE	128
+#define _SS_PADSIZE	(_SS_SIZE - (2 * sizeof (__ss_align)))
+
+struct sockaddr_storage
+  {
+    __SOCKADDR_COMMON (__ss_);	/* Address family, etc.  */
+    __ss_align __ss_align;	/* Force desired alignment.  */
+    char __ss_padding[_SS_PADSIZE];
+  };
+
+
 /* Bits in the FLAGS argument to `send', `recv', et al.  */
 enum
   {