| /* |
| * 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 <rpc/types.h> |
| #include <stdio.h> |
| #include <rpc/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) |