* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
170 lines
4.1 KiB
C
170 lines
4.1 KiB
C
/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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/*
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* xdr_sizeof.c
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*
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* Copyright 1990 Sun Microsystems, Inc.
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*
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* General purpose routine to see how much space something will use
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* when serialized using XDR.
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*/
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#include <sys/cdefs.h>
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#if 0
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__FBSDID("$FreeBSD: src/lib/libc/xdr/xdr_sizeof.c,v 1.5.38.1 2010/12/21 17:10:29 kensmith Exp $");
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#else
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__RCSID("$NetBSD: xdr_sizeof.c,v 1.4 2012/03/20 17:14:50 matt Exp $");
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#endif
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#include "namespace.h"
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#include <rpc/types.h>
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#include <rpc/xdr.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#ifdef __weak_alias
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__weak_alias(xdr_sizeof,_xdr_sizeof)
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#endif
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static bool_t x_putlong(XDR *, const long *);
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static bool_t x_putbytes(XDR *, const char *, u_int);
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static u_int x_getpostn(XDR *);
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static bool_t x_setpostn(XDR *, u_int);
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static int32_t *x_inline(XDR *, u_int);
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static int harmless(void);
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static void x_destroy(XDR *);
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/* ARGSUSED */
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static bool_t
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x_putlong(XDR *xdrs, const long *longp)
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{
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xdrs->x_handy += BYTES_PER_XDR_UNIT;
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return (TRUE);
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}
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/* ARGSUSED */
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static bool_t
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x_putbytes(XDR *xdrs, const char *bp, u_int len)
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{
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xdrs->x_handy += len;
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return (TRUE);
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}
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static u_int
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x_getpostn(XDR *xdrs)
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{
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return (xdrs->x_handy);
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}
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/* ARGSUSED */
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static bool_t
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x_setpostn(XDR *xdrs, u_int pos)
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{
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/* This is not allowed */
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return (FALSE);
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}
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static int32_t *
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x_inline(XDR *xdrs, u_int len)
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{
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if (len == 0) {
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return (NULL);
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}
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if (xdrs->x_op != XDR_ENCODE) {
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return (NULL);
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}
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if (len < (u_int)(uintptr_t)xdrs->x_base) {
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/* x_private was already allocated */
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xdrs->x_handy += len;
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return ((int32_t *) xdrs->x_private);
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} else {
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/* Free the earlier space and allocate new area */
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if (xdrs->x_private)
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free(xdrs->x_private);
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if ((xdrs->x_private = malloc(len)) == NULL) {
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xdrs->x_base = 0;
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return (NULL);
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}
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xdrs->x_base = (caddr_t)(uintptr_t)len;
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xdrs->x_handy += len;
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return ((int32_t *) xdrs->x_private);
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}
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}
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static int
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harmless(void)
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{
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/* Always return FALSE/NULL, as the case may be */
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return (0);
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}
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static void
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x_destroy(XDR *xdrs)
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{
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xdrs->x_handy = 0;
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xdrs->x_base = 0;
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if (xdrs->x_private) {
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free(xdrs->x_private);
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xdrs->x_private = NULL;
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}
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return;
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}
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unsigned long
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xdr_sizeof(xdrproc_t func, void *data)
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{
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XDR x;
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struct xdr_ops ops;
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bool_t stat;
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/* to stop ANSI-C compiler from complaining */
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typedef bool_t (* dummyfunc1)(XDR *, long *);
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typedef bool_t (* dummyfunc2)(XDR *, caddr_t, u_int);
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ops.x_putlong = x_putlong;
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ops.x_putbytes = x_putbytes;
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ops.x_inline = x_inline;
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ops.x_getpostn = x_getpostn;
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ops.x_setpostn = x_setpostn;
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ops.x_destroy = x_destroy;
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/* the other harmless ones */
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ops.x_getlong = (dummyfunc1) harmless;
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ops.x_getbytes = (dummyfunc2) harmless;
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x.x_op = XDR_ENCODE;
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x.x_ops = &ops;
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x.x_handy = 0;
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x.x_private = (caddr_t) NULL;
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x.x_base = (caddr_t) 0;
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stat = func(&x, data);
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if (x.x_private)
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free(x.x_private);
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return (stat == TRUE ? (unsigned) x.x_handy: 0);
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}
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