BSD 4.4 Lite Kernel Sources

1 files changed, 78 insertions, 0 deletions

diff --git a/sys/nfs/xdr_subs.h b/sys/nfs/xdr_subs.h
new file mode 100644
index 0000000..c2aa4f3
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+++ b/sys/nfs/xdr_subs.h
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+/*
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Rick Macklem at The University of Guelph.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)xdr_subs.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Macros used for conversion to/from xdr representation by nfs...
+ * These use the MACHINE DEPENDENT routines ntohl, htonl
+ * As defined by "XDR: External Data Representation Standard" RFC1014
+ *
+ * To simplify the implementation, we use ntohl/htonl even on big-endian
+ * machines, and count on them being `#define'd away.  Some of these
+ * might be slightly more efficient as quad_t copies on a big-endian,
+ * but we cannot count on their alignment anyway.
+ */
+
+#define	fxdr_unsigned(t, v)	((t)ntohl((long)(v)))
+#define	txdr_unsigned(v)	(htonl((long)(v)))
+
+#define	fxdr_nfstime(f, t) { \
+	(t)->ts_sec = ntohl(((struct nfsv2_time *)(f))->nfs_sec); \
+	(t)->ts_nsec = 1000 * ntohl(((struct nfsv2_time *)(f))->nfs_usec); \
+}
+#define	txdr_nfstime(f, t) { \
+	((struct nfsv2_time *)(t))->nfs_sec = htonl((f)->ts_sec); \
+	((struct nfsv2_time *)(t))->nfs_usec = htonl((f)->ts_nsec) / 1000; \
+}
+
+#define	fxdr_nqtime(f, t) { \
+	(t)->ts_sec = ntohl(((struct nqnfs_time *)(f))->nq_sec); \
+	(t)->ts_nsec = ntohl(((struct nqnfs_time *)(f))->nq_nsec); \
+}
+#define	txdr_nqtime(f, t) { \
+	((struct nqnfs_time *)(t))->nq_sec = htonl((f)->ts_sec); \
+	((struct nqnfs_time *)(t))->nq_nsec = htonl((f)->ts_nsec); \
+}
+
+#define	fxdr_hyper(f, t) { \
+	((long *)(t))[_QUAD_HIGHWORD] = ntohl(((long *)(f))[0]); \
+	((long *)(t))[_QUAD_LOWWORD] = ntohl(((long *)(f))[1]); \
+}
+#define	txdr_hyper(f, t) { \
+	((long *)(t))[0] = htonl(((long *)(f))[_QUAD_HIGHWORD]); \
+	((long *)(t))[1] = htonl(((long *)(f))[_QUAD_LOWWORD]); \
+}