Adding upstream version 1.3.4+ds.upstream/1.3.4+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 136 insertions, 0 deletions

diff --git a/src/xdr_reference.c b/src/xdr_reference.c
new file mode 100644
index 0000000..13f6410
--- /dev/null
+++ b/src/xdr_reference.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - 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.
+ * - Neither the name of Sun Microsystems, Inc. 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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_reference.c, Generic XDR routines impelmentation.
+ *
+ * Copyright (C) 1987, Sun Microsystems, Inc.
+ *
+ * These are the "non-trivial" xdr primitives used to serialize and de-serialize
+ * "pointers".  See xdr.h for more info on the interface to xdr.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <rpc/types.h>
+#include <rpc/xdr.h>
+
+#if defined(__FreeBSD__) || defined(__NetBSD__)
+#include <libc_private.h>
+#endif
+
+/*
+ * XDR an indirect pointer
+ * xdr_reference is for recursively translating a structure that is
+ * referenced by a pointer inside the structure that is currently being
+ * translated.  pp references a pointer to storage. If *pp is null
+ * the  necessary storage is allocated.
+ * size is the sizeof the referneced structure.
+ * proc is the routine to handle the referenced structure.
+ */
+bool_t
+xdr_reference(xdrs, pp, size, proc)
+	XDR *xdrs;
+	caddr_t *pp;		/* the pointer to work on */
+	u_int size;		/* size of the object pointed to */
+	xdrproc_t proc;		/* xdr routine to handle the object */
+{
+	caddr_t loc = *pp;
+	bool_t stat;
+
+	if (loc == NULL)
+		switch (xdrs->x_op) {
+		case XDR_FREE:
+			return (TRUE);
+
+		case XDR_DECODE:
+			*pp = loc = (caddr_t) mem_alloc(size);
+			if (loc == NULL) {
+				warnx("xdr_reference: out of memory");
+				return (FALSE);
+			}
+			memset(loc, 0, size);
+			break;
+
+		case XDR_ENCODE:
+			break;
+		}
+
+	stat = (*proc)(xdrs, loc);
+
+	if (xdrs->x_op == XDR_FREE) {
+		mem_free(loc, size);
+		*pp = NULL;
+	}
+	return (stat);
+}
+
+
+/*
+ * xdr_pointer():
+ *
+ * XDR a pointer to a possibly recursive data structure. This
+ * differs with xdr_reference in that it can serialize/deserialiaze
+ * trees correctly.
+ *
+ *  What's sent is actually a union:
+ *
+ *  union object_pointer switch (boolean b) {
+ *  case TRUE: object_data data;
+ *  case FALSE: void nothing;
+ *  }
+ *
+ * > objpp: Pointer to the pointer to the object.
+ * > obj_size: size of the object.
+ * > xdr_obj: routine to XDR an object.
+ *
+ */
+bool_t
+xdr_pointer(xdrs,objpp,obj_size,xdr_obj)
+	XDR *xdrs;
+	char **objpp;
+	u_int obj_size;
+	xdrproc_t xdr_obj;
+{
+
+	bool_t more_data;
+
+	more_data = (*objpp != NULL);
+	if (! xdr_bool(xdrs,&more_data)) {
+		return (FALSE);
+	}
+	if (! more_data) {
+		*objpp = NULL;
+		return (TRUE);
+	}
+	return (xdr_reference(xdrs,objpp,obj_size,xdr_obj));
+}