--- /dev/null
+/*
+ * 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
+ */
+
+/*
+ * xdr_stdio.c, XDR implementation on standard i/o file.
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ *
+ * This set of routines implements a XDR on a stdio stream.
+ * XDR_ENCODE serializes onto the stream, XDR_DECODE de-serializes
+ * from the stream.
+ */
+
+#include "types.h"
+#include <stdio.h>
+#include "xdr.h"
+
+#ifdef USE_IN_LIBIO
+# include <libio/iolibio.h>
+# define fflush(s) INTUSE(_IO_fflush) (s)
+# define fread(p, m, n, s) INTUSE(_IO_fread) (p, m, n, s)
+# define ftell(s) INTUSE(_IO_ftell) (s)
+# define fwrite(p, m, n, s) INTUSE(_IO_fwrite) (p, m, n, s)
+#endif
+
+static bool_t xdrstdio_getlong (XDR *, long *);
+static bool_t xdrstdio_putlong (XDR *, const long *);
+static bool_t xdrstdio_getbytes (XDR *, caddr_t, u_int);
+static bool_t xdrstdio_putbytes (XDR *, const char *, u_int);
+static u_int xdrstdio_getpos (const XDR *);
+static bool_t xdrstdio_setpos (XDR *, u_int);
+static int32_t *xdrstdio_inline (XDR *, u_int);
+static void xdrstdio_destroy (XDR *);
+static bool_t xdrstdio_getint32 (XDR *, int32_t *);
+static bool_t xdrstdio_putint32 (XDR *, const int32_t *);
+
+/*
+ * Ops vector for stdio type XDR
+ */
+static const struct xdr_ops xdrstdio_ops =
+{
+ xdrstdio_getlong, /* deserialize a long int */
+ xdrstdio_putlong, /* serialize a long int */
+ xdrstdio_getbytes, /* deserialize counted bytes */
+ xdrstdio_putbytes, /* serialize counted bytes */
+ xdrstdio_getpos, /* get offset in the stream */
+ xdrstdio_setpos, /* set offset in the stream */
+ xdrstdio_inline, /* prime stream for inline macros */
+ xdrstdio_destroy, /* destroy stream */
+ xdrstdio_getint32, /* deserialize a int */
+ xdrstdio_putint32 /* serialize a int */
+};
+
+/*
+ * Initialize a stdio xdr stream.
+ * Sets the xdr stream handle xdrs for use on the stream file.
+ * Operation flag is set to op.
+ */
+void
+xdrstdio_create (XDR *xdrs, FILE *file, enum xdr_op op)
+{
+ xdrs->x_op = op;
+ /* We have to add the const since the `struct xdr_ops' in `struct XDR'
+ is not `const'. */
+ xdrs->x_ops = (struct xdr_ops *) &xdrstdio_ops;
+ xdrs->x_private = (caddr_t) file;
+ xdrs->x_handy = 0;
+ xdrs->x_base = 0;
+}
+
+/*
+ * Destroy a stdio xdr stream.
+ * Cleans up the xdr stream handle xdrs previously set up by xdrstdio_create.
+ */
+static void
+xdrstdio_destroy (XDR *xdrs)
+{
+ (void) fflush ((FILE *) xdrs->x_private);
+ /* xx should we close the file ?? */
+};
+
+static bool_t
+xdrstdio_getlong (XDR *xdrs, long *lp)
+{
+ u_int32_t mycopy;
+
+ if (fread ((caddr_t) &mycopy, 4, 1, (FILE *) xdrs->x_private) != 1)
+ return FALSE;
+ *lp = (long) ntohl (mycopy);
+ return TRUE;
+}
+
+static bool_t
+xdrstdio_putlong (XDR *xdrs, const long *lp)
+{
+ int32_t mycopy = htonl ((u_int32_t) *lp);
+
+ if (fwrite ((caddr_t) &mycopy, 4, 1, (FILE *) xdrs->x_private) != 1)
+ return FALSE;
+ return TRUE;
+}
+
+static bool_t
+xdrstdio_getbytes (XDR *xdrs, const caddr_t addr, u_int len)
+{
+ if ((len != 0) && (fread (addr, (int) len, 1,
+ (FILE *) xdrs->x_private) != 1))
+ return FALSE;
+ return TRUE;
+}
+
+static bool_t
+xdrstdio_putbytes (XDR *xdrs, const char *addr, u_int len)
+{
+ if ((len != 0) && (fwrite (addr, (int) len, 1,
+ (FILE *) xdrs->x_private) != 1))
+ return FALSE;
+ return TRUE;
+}
+
+static u_int
+xdrstdio_getpos (const XDR *xdrs)
+{
+ return (u_int) ftell ((FILE *) xdrs->x_private);
+}
+
+static bool_t
+xdrstdio_setpos (XDR *xdrs, u_int pos)
+{
+ return fseek ((FILE *) xdrs->x_private, (long) pos, 0) < 0 ? FALSE : TRUE;
+}
+
+static int32_t *
+xdrstdio_inline (XDR *xdrs, u_int len)
+{
+ /*
+ * Must do some work to implement this: must insure
+ * enough data in the underlying stdio buffer,
+ * that the buffer is aligned so that we can indirect through a
+ * long *, and stuff this pointer in xdrs->x_buf. Doing
+ * a fread or fwrite to a scratch buffer would defeat
+ * most of the gains to be had here and require storage
+ * management on this buffer, so we don't do this.
+ */
+ return NULL;
+}
+
+static bool_t
+xdrstdio_getint32 (XDR *xdrs, int32_t *ip)
+{
+ int32_t mycopy;
+
+ if (fread ((caddr_t) &mycopy, 4, 1, (FILE *) xdrs->x_private) != 1)
+ return FALSE;
+ *ip = ntohl (mycopy);
+ return TRUE;
+}
+
+static bool_t
+xdrstdio_putint32 (XDR *xdrs, const int32_t *ip)
+{
+ int32_t mycopy = htonl (*ip);
+
+ ip = &mycopy;
+ if (fwrite ((caddr_t) ip, 4, 1, (FILE *) xdrs->x_private) != 1)
+ return FALSE;
+ return TRUE;
+}
+
+/* libc_hidden_def (xdrstdio_create) */
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