--- /dev/null
+/* PortableXDR - a free, portable XDR implementation.
+ * Copyright (C) 2009 Red Hat Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* xdr_int8_t, xdr_uint8_t, xdr_int16_t, xdr_uint16_t, xdr_int32_t,
+ * xdr_uint32_t, xdr_int64_t and xdr_uint64_t functions:
+ *
+ * Copyright (c) 1998, 1999, 2000, 2004, 2005 Free Software Foundation, Inc.
+ * This file is part of the GNU C Library.
+ * Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
+ *
+ * (Under the same license as above).
+ */
+
+#ifndef PORTABLEXDR_XDR_H
+#define PORTABLEXDR_XDR_H
+
+#include <rpc/types.h>
+#include <rpc/xdr_internal.h>
+#include <stdarg.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Please read the documentation that comes with PortableXDR,
+ * otherwise you won't understand how to use the xdr_* conversion
+ * functions.
+ */
+typedef bool_t (*xdrproc_t) ();
+#define NULL_xdrproc_t NULL
+
+/* XDR procedures for the basic types. */
+static inline bool_t
+xdr_void (XDR *xdrs ATTRIBUTE_UNUSED, void *vp ATTRIBUTE_UNUSED)
+{
+ return TRUE;
+}
+
+static inline bool_t
+xdr_bool (XDR *xdrs, bool_t *p)
+{
+ int32_t i;
+ switch (xdrs->x_op) {
+ case XDR_ENCODE:
+ i = *p ? TRUE : FALSE;
+ return xdr_putlong (xdrs, &i);
+ case XDR_DECODE:
+ if (!xdr_getlong (xdrs, &i)) return FALSE;
+ *p = i ? TRUE : FALSE;
+ return TRUE;
+ case XDR_FREE:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+/* XDR 64bit integers */
+bool_t
+xdr_int64_t (XDR *xdrs, int64_t *ip)
+{
+ int32_t t1, t2;
+
+ switch (xdrs->x_op)
+ {
+ case XDR_ENCODE:
+ t1 = (int32_t) ((*ip) >> 32);
+ t2 = (int32_t) (*ip);
+ return (XDR_PUTINT32(xdrs, &t1) && XDR_PUTINT32(xdrs, &t2));
+ case XDR_DECODE:
+ if (!XDR_GETINT32(xdrs, &t1) || !XDR_GETINT32(xdrs, &t2))
+ return FALSE;
+ *ip = ((int64_t) t1) << 32;
+ *ip |= (uint32_t) t2; /* Avoid sign extension. */
+ return TRUE;
+ case XDR_FREE:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+/* XDR 64bit unsigned integers */
+bool_t
+xdr_uint64_t (XDR *xdrs, uint64_t *uip)
+{
+ uint32_t t1;
+ uint32_t t2;
+
+ switch (xdrs->x_op)
+ {
+ case XDR_ENCODE:
+ t1 = (uint32_t) ((*uip) >> 32);
+ t2 = (uint32_t) (*uip);
+ return (XDR_PUTINT32 (xdrs, (int32_t *) &t1) &&
+ XDR_PUTINT32(xdrs, (int32_t *) &t2));
+ case XDR_DECODE:
+ if (!XDR_GETINT32(xdrs, (int32_t *) &t1) ||
+ !XDR_GETINT32(xdrs, (int32_t *) &t2))
+ return FALSE;
+ *uip = ((uint64_t) t1) << 32;
+ *uip |= t2;
+ return TRUE;
+ case XDR_FREE:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+/* XDR 32bit integers */
+bool_t
+xdr_int32_t (XDR *xdrs, int32_t *lp)
+{
+ switch (xdrs->x_op)
+ {
+ case XDR_ENCODE:
+ return XDR_PUTINT32 (xdrs, lp);
+ case XDR_DECODE:
+ return XDR_GETINT32 (xdrs, lp);
+ case XDR_FREE:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+/* XDR 32bit unsigned integers */
+bool_t
+xdr_uint32_t (XDR *xdrs, uint32_t *ulp)
+{
+ switch (xdrs->x_op)
+ {
+ case XDR_ENCODE:
+ return XDR_PUTINT32 (xdrs, (int32_t *) ulp);
+ case XDR_DECODE:
+ return XDR_GETINT32 (xdrs, (int32_t *) ulp);
+ case XDR_FREE:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+/* XDR 16bit integers */
+bool_t
+xdr_int16_t (XDR *xdrs, int16_t *ip)
+{
+ int32_t t;
+
+ switch (xdrs->x_op)
+ {
+ case XDR_ENCODE:
+ t = (int32_t) *ip;
+ return XDR_PUTINT32 (xdrs, &t);
+ case XDR_DECODE:
+ if (!XDR_GETINT32 (xdrs, &t))
+ return FALSE;
+ *ip = (int16_t) t;
+ return TRUE;
+ case XDR_FREE:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+/* XDR 16bit unsigned integers */
+bool_t
+xdr_uint16_t (XDR *xdrs, uint16_t *uip)
+{
+ uint32_t ut;
+
+ switch (xdrs->x_op)
+ {
+ case XDR_ENCODE:
+ ut = (uint32_t) *uip;
+ return XDR_PUTINT32 (xdrs, (int32_t *) &ut);
+ case XDR_DECODE:
+ if (!XDR_GETINT32 (xdrs, (int32_t *) &ut))
+ return FALSE;
+ *uip = (uint16_t) ut;
+ return TRUE;
+ case XDR_FREE:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+/* XDR 8bit integers */
+bool_t
+xdr_int8_t (XDR *xdrs, int8_t *ip)
+{
+ int32_t t;
+
+ switch (xdrs->x_op)
+ {
+ case XDR_ENCODE:
+ t = (int32_t) *ip;
+ return XDR_PUTINT32 (xdrs, &t);
+ case XDR_DECODE:
+ if (!XDR_GETINT32 (xdrs, &t))
+ return FALSE;
+ *ip = (int8_t) t;
+ return TRUE;
+ case XDR_FREE:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+/* XDR 8bit unsigned integers */
+bool_t
+xdr_uint8_t (XDR *xdrs, uint8_t *uip)
+{
+ uint32_t ut;
+
+ switch (xdrs->x_op)
+ {
+ case XDR_ENCODE:
+ ut = (uint32_t) *uip;
+ return XDR_PUTINT32 (xdrs, (int32_t *) &ut);
+ case XDR_DECODE:
+ if (!XDR_GETINT32 (xdrs, (int32_t *) &ut))
+ return FALSE;
+ *uip = (uint8_t) ut;
+ return TRUE;
+ case XDR_FREE:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+#if 0
+static inline bool_t
+xdr_float (XDR *xdrs, float *p)
+{
+ XXX;
+}
+
+static inline bool_t
+xdr_double (XDR *xdrs, double *p)
+{
+ XXX;
+}
+#endif
+
+/* Some very common aliases for the basic integer functions. */
+#define xdr_int xdr_int32_t
+#define xdr_u_int xdr_uint32_t
+#define xdr_long xdr_int32_t
+#define xdr_u_long xdr_uint32_t
+
+#define xdr_short xdr_int16_t
+#define xdr_u_short xdr_uint16_t
+
+ /* NB: In PortableXDR, char is ALWAYS treated as signed octet. */
+#define xdr_char xdr_int8_t
+#define xdr_u_char xdr_uint8_t
+
+/*
+#define xdr_hyper xdr_int64_t
+#define xdr_u_hyper xdr_uint64_t
+#define xdr_quad xdr_int64_t
+#define xdr_u_quad xdr_uint64_t
+*/
+
+/* Enumerations. */
+static inline bool_t
+xdr_enum (XDR *xdrs, enum_t *ep)
+{
+ return xdr_int32_t (xdrs, ep);
+}
+
+/* Union with discriminator. */
+extern bool_t xdr_union (XDR *xdrs, enum_t *discrim, void *p, struct xdr_discrim *choices, xdrproc_t default_proc);
+
+/* Variable-size array of arbitrary elements. */
+extern bool_t xdr_array (XDR *xdrs, void *p, size_t num_elements, size_t max_elements, size_t element_size, xdrproc_t element_proc);
+
+/* Fixed-size array of arbitrary elements. */
+extern bool_t xdr_vector (XDR *xdrs, void *p, size_t num_elements, size_t element_size, xdrproc_t element_size);
+
+/* Variable-size array of bytes. */
+extern bool_t xdr_bytes (XDR *xdrs, char **bytes, size_t num_bytes, size_t max_bytes);
+
+/* Fixed-size array of bytes. */
+extern bool_t xdr_opaque (XDR *xdrs, void *p, size_t num_bytes);
+
+/* Variable-size string (handled as normal C string in the program, but
+ * serialized as length + bytes).
+ */
+extern bool_t xdr_string (XDR *xdrs, char **str, size_t max_bytes);
+
+#define xdr_wrapstring(xdrs,str) (xdr_string ((xdrs),(str),~0))
+
+#if 0
+/* A reference is a pointer which cannot be NULL. */
+static inline bool_t
+xdr_reference (XDR *xdrs, void **p, size_t size, xdrproc_t proc)
+{
+ XXX
+}
+
+/* A pointer is a pointer to an object that can be NULL. It is
+ * serialized as a boolean (TRUE = not null, FALSE = null), followed
+ * by the object.
+ */
+static inline bool_t
+xdr_pointer (XDR *xdrs, void **p, size_t size, xdrproc_t proc)
+{
+ XXX
+}
+#endif
+
+/* Free an XDR object (recursively). */
+extern void xdr_free (xdrproc_t, void *);
+
+/* Construct an XDR stream from an in-memory buffer. */
+extern void xdrmem_create (XDR *xdrs, void *p, size_t size, enum xdr_op);
+
+/* Construct an XDR stream from a FILE* or file descriptor. Note
+ * that neither of these will close the underlying file.
+ */
+extern void xdrstdio_create (XDR *xdrs, FILE *, enum xdr_op);
+extern void xdrfd_create (XDR *xdrs, int fd, enum xdr_op);
+
+/* PortableXDR variations which allow you to close the underlying
+ * file after use.
+ */
+#define XDR_CLOSE_FILE 1
+
+extern void xdrstdio_create2 (XDR *xdrs, FILE *, enum xdr_op, uint32_t flags);
+extern void xdrfd_create2 (XDR *xdrs, int fd, enum xdr_op, uint32_t flags);
+
+/*
+ Does anyone ever use these? Contributions welcome.
+extern void xdrrec_create (...);
+extern bool_t xdrrec_endofrecord (...);
+extern bool_t xdrrec_skiprecord (...);
+extern bool_t xdrrec_eof (...);
+*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PORTABLEXDR_XDR_H */
git.annexia.org / portablexdr.git / blobdiff