Merge branch 'devel' into AFM

[unres.git] / source / unres / src_MD-NEWSC / xdrf / xdr_array.c

diff --git a/source/unres/src_MD-NEWSC/xdrf/xdr_array.c b/source/unres/src_MD-NEWSC/xdrf/xdr_array.c
new file mode 100644 (file)
index 0000000..836405c
--- /dev/null
+++ b/source/unres/src_MD-NEWSC/xdrf/xdr_array.c
@@ -0,0 +1,174 @@
+# define INTUSE(name) name
+# define INTDEF(name)
+/* @(#)xdr_array.c     2.1 88/07/29 4.0 RPCSRC */
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ *
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ *
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ *
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ *
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ *
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+#if !defined(lint) && defined(SCCSIDS)
+static char sccsid[] = "@(#)xdr_array.c 1.10 87/08/11 Copyr 1984 Sun Micro";
+#endif
+
+/*
+ * xdr_array.c, Generic XDR routines implementation.
+ *
+ * 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 <stdio.h>
+#include <string.h>
+#include "types.h"
+#include "xdr.h"
+#include <libintl.h>
+#include <limits.h>
+
+#ifdef USE_IN_LIBIO
+# include <wchar.h>
+#endif
+
+#define LASTUNSIGNED   ((u_int)0-1)
+
+
+/*
+ * 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
+xdr_array (xdrs, addrp, sizep, maxsize, elsize, elproc)
+     XDR *xdrs;
+     caddr_t *addrp;           /* array pointer */
+     u_int *sizep;             /* number of elements */
+     u_int maxsize;            /* max numberof elements */
+     u_int elsize;             /* size in bytes of each element */
+     xdrproc_t elproc;         /* xdr routine to handle each element */
+{
+  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 (!INTUSE(xdr_u_int) (xdrs, sizep))
+    {
+      return FALSE;
+    }
+  c = *sizep;
+  /*
+   * XXX: Let the overflow possibly happen with XDR_FREE because mem_free()
+   * doesn't actually use its second argument anyway.
+   */
+  if ((c > maxsize || c > UINT_MAX / elsize) && (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)
+         {
+           fprintf (stderr, "%s", "xdr_array: out of memory\n");
+           return FALSE;
+         }
+       __bzero (target, nodesize);
+       break;
+
+      case XDR_FREE:
+       return TRUE;
+      default:
+       break;
+      }
+
+  /*
+   * now we xdr each element of array
+   */
+  for (i = 0; (i < c) && stat; i++)
+    {
+      stat = (*elproc) (xdrs, target, LASTUNSIGNED);
+      target += elsize;
+    }
+
+  /*
+   * the array may need freeing
+   */
+  if (xdrs->x_op == XDR_FREE)
+    {
+      mem_free (*addrp, nodesize);
+      *addrp = NULL;
+    }
+  return stat;
+}
+INTDEF(xdr_array)
+
+/*
+ * 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
+xdr_vector (xdrs, basep, nelem, elemsize, xdr_elem)
+     XDR *xdrs;
+     char *basep;
+     u_int nelem;
+     u_int elemsize;
+     xdrproc_t xdr_elem;
+{
+  u_int i;
+  char *elptr;
+
+  elptr = basep;
+  for (i = 0; i < nelem; i++)
+    {
+      if (!(*xdr_elem) (xdrs, elptr, LASTUNSIGNED))
+       {
+         return FALSE;
+       }
+      elptr += elemsize;
+    }
+  return TRUE;
+}