Add eXtensible Data Record (XDR) support

	* configure.host: Build libc/xdr only on cygwin.
	* Makefile.am: Install xdr headers.
	* libc/configure.in: Support new libc/xdr subdirectory.
	* libc/Makefile.am: Support new libc/xdr subdirectory.
	* libc/include/rpc/types.h: New.
	* libc/include/rpc/xdr.h: New.
	* libc/xdr/README: New.
	* libc/xdr/Makefile.am: New.
	* libc/xdr/dummy.c: New.
	* libc/xdr/xdr.c: New.
	* libc/xdr/xdr_array.c: New.
	* libc/xdr/xdr_float.c: New.
	* libc/xdr/xdr_float_vax.c: New.
	* libc/xdr/xdr_mem.c: New.
	* libc/xdr/xdr_private.c: New.
	* libc/xdr/xdr_private.h: New.
	* libc/xdr/xdr_rec.c: New.
	* libc/xdr/xdr_reference.c: New.
	* libc/xdr/xdr_sizeof.c: New.
	* libc/xdr/xdr_stdio.c: New.

	Regenerate using ac-2.63 and am-1.11.1
	* libc/xdr/Makefile.in: New.
	* Makefile.in: Regenerate.
	* libc/configure: Regenerate.
	* libc/Makefile.in: Regenerate.
	* libc/argz/Makefile.in: Regenerate.
	* libc/ctype/Makefile.in: Regenerate.
	* libc/errno/Makefile.in: Regenerate.
	* libc/iconv/ccs/binary/Makefile.in: Regenerate.
	* libc/iconv/ccs/Makefile.in: Regenerate.
	* libc/iconv/ces/Makefile.in: Regenerate.
	* libc/iconv/lib/Makefile.in: Regenerate.
	* libc/iconv/Makefile.in: Regenerate.
	* libc/locale/Makefile.in: Regenerate.
	* libc/misc/Makefile.in: Regenerate.
	* libc/posix/Makefile.in: Regenerate.
	* libc/reent/Makefile.in: Regenerate.
	* libc/search/Makefile.in: Regenerate.
	* libc/signal/Makefile.in: Regenerate.
	* libc/stdio/Makefile.in: Regenerate.
	* libc/stdio64/Makefile.in: Regenerate.
	* libc/stdlib/Makefile.in: Regenerate.
	* libc/string/Makefile.in: Regenerate.
	* libc/syscalls/Makefile.in: Regenerate.
	* libc/time/Makefile.in: Regenerate.
	* libc/unix/Makefile.in: Regenerate.

1 files changed, 161 insertions, 0 deletions

diff --git a/newlib/libc/xdr/xdr_array.c b/newlib/libc/xdr/xdr_array.c
new file mode 100644
index 000000000..98549acbb
--- /dev/null
+++ b/newlib/libc/xdr/xdr_array.c
@@ -0,0 +1,161 @@
+
+/*
+ * 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_array.c, Generic XDR routines impelmentation.
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ *
+ * These are the "non-trivial" xdr primitives used to serialize and de-serialize
+ * arrays.  See xdr.h for more info on the interface to xdr.
+ */
+
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <rpc/types.h>
+#include <rpc/xdr.h>
+
+#include "xdr_private.h"
+
+/*
+ * XDR an array of arbitrary elements
+ * *addrp is a pointer to the array, *sizep is the number of elements.
+ * If addrp is NULL (*sizep * elsize) bytes are allocated.
+ * elsize is the size (in bytes) of each element, and elproc is the
+ * xdr procedure to call to handle each element of the array.
+ */
+bool_t
+_DEFUN (xdr_array, (xdrs, addrp, sizep, maxsize, elsize, elproc),
+        XDR * xdrs _AND
+	caddr_t * addrp _AND
+	u_int * sizep _AND
+	u_int maxsize _AND
+        u_int elsize _AND
+	xdrproc_t elproc)
+{
+  u_int i;
+  caddr_t target = *addrp;
+  u_int c;                      /* the actual element count */
+  bool_t stat = TRUE;
+  u_int nodesize;
+
+  /* like strings, arrays are really counted arrays */
+  if (!xdr_u_int (xdrs, sizep))
+    {
+      return FALSE;
+    }
+  c = *sizep;
+  if ((c > maxsize || UINT_MAX / elsize < c) && (xdrs->x_op != XDR_FREE))
+    {
+      return FALSE;
+    }
+  nodesize = c * elsize;
+
+  /*
+   * if we are deserializing, we may need to allocate an array.
+   * We also save time by checking for a null array if we are freeing.
+   */
+  if (target == NULL)
+    switch (xdrs->x_op)
+      {
+      case XDR_DECODE:
+        if (c == 0)
+          return TRUE;
+        *addrp = target = mem_alloc (nodesize);
+        if (target == NULL)
+          {
+            xdr_warnx ("xdr_array: out of memory");
+            errno = ENOMEM;
+            return FALSE;
+          }
+        memset (target, 0, nodesize);
+        break;
+
+      case XDR_FREE:
+        return TRUE;
+
+      case XDR_ENCODE:
+        break;
+      }
+
+  /*
+   * now we xdr each element of array
+   */
+  for (i = 0; (i < c) && stat; i++)
+    {
+      stat = (*elproc) (xdrs, target);
+      target += elsize;
+    }
+
+  /*
+   * the array may need freeing
+   */
+  if (xdrs->x_op == XDR_FREE)
+    {
+      mem_free (*addrp, nodesize);
+      *addrp = NULL;
+    }
+  return (stat);
+}
+
+/*
+ * xdr_vector():
+ *
+ * XDR a fixed length array. Unlike variable-length arrays,
+ * the storage of fixed length arrays is static and unfreeable.
+ * > basep: base of the array
+ * > size: size of the array
+ * > elemsize: size of each element
+ * > xdr_elem: routine to XDR each element
+ */
+bool_t
+_DEFUN (xdr_vector, (xdrs, basep, nelem, elemsize, xdr_elem),
+        XDR * xdrs _AND
+	char *basep _AND
+	u_int nelem _AND
+	u_int elemsize _AND
+        xdrproc_t xdr_elem)
+{
+  u_int i;
+  char *elptr;
+
+  elptr = basep;
+  for (i = 0; i < nelem; i++)
+    {
+      if (!(*xdr_elem) (xdrs, elptr))
+        {
+          return FALSE;
+        }
+      elptr += elemsize;
+    }
+  return TRUE;
+}