patch-2.4.21 linux-2.4.21/include/linux/socket.h

• Lines: 22
• Date: 2003-06-13 07:51:39.000000000 -0700
• Orig file: linux-2.4.20/include/linux/socket.h
• Orig date: 2001-12-21 09:42:04.000000000 -0800

diff -urN linux-2.4.20/include/linux/socket.h linux-2.4.21/include/linux/socket.h
@@ -25,6 +25,21 @@
 };
 
 /*
+ * Desired design of maximum size and alignment (see RFC2553)
+ */
+#define _SS_MAXSIZE	128	/* Implementation specific max size */
+#define _SS_ALIGNSIZE	(__alignof__ (struct sockaddr *))
+				/* Implementation specific desired alignment */
+
+struct sockaddr_storage {
+	sa_family_t	ss_family;		/* address family */
+	/* Following field(s) are implementation specific */
+	char		__data[_SS_MAXSIZE - sizeof(sa_family_t)];
+				/* space to achieve desired size, */
+				/* _SS_MAXSIZE value minus size of ss_family */
+} __attribute__ ((aligned(_SS_ALIGNSIZE)));	/* force desired alignment */
+
+/*
  *	As we do 4.4BSD message passing we use a 4.4BSD message passing
  *	system, not 4.3. Thus msg_accrights(len) are now missing. They
  *	belong in an obscure libc emulation or the bin.