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Diffstat (limited to 'sysdeps/unix/sysv/linux/bits')
-rw-r--r--sysdeps/unix/sysv/linux/bits/socket.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index 9733903c8b..37a9d930ff 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -28,6 +28,7 @@
 #define __need_NULL
 #include <stddef.h>
 
+#include <limits.h>
 #include <sys/types.h>
 
 /* Type for length arguments in socket calls.  */
@@ -139,6 +140,24 @@ 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_aligntype	__uint64_t
+#else
+# define __ss_aligntype	__uint32_t
+#endif
+#define _SS_SIZE	128
+#define _SS_PADSIZE	(_SS_SIZE - (2 * sizeof (__ss_aligntype)))
+
+struct sockaddr_storage
+  {
+    __SOCKADDR_COMMON (__ss_);	/* Address family, etc.  */
+    __ss_aligntype __ss_align;	/* Force desired alignment.  */
+    char __ss_padding[_SS_PADSIZE];
+  };
+
+
 /* Bits in the FLAGS argument to `send', `recv', et al.  */
 enum
   {