glibc/nis/nis_util.c
Ulrich Drepper 91eee4dd69 Update.
1998-06-16  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* sunrpc/svc.c: Check for NULL pointer.

	* nis/libnsl.map: Add public NIS+ xdr functions.

	* nis/rpcsvc/nis_callback.h: New file.
	* nis/rpcsvc/nis.h: Move xdr_* functions from here ...
	* nis/nis_xdr.h: ... here.

	* nis/nis_add.c: Use internal _xdr_* functions, check for NULL
	pointers, use NIS+ defines where possible.
	* nis/nis_cache.c: Likewise.
	* nis/nis_cache2_xdr.c: Likewise.
	* nis/nis_call.c: Likewise.
	* nis/nis_checkpoint.c: Likewise.
	* nis/nis_clone_dir.c: Likewise.
	* nis/nis_clone_obj.c: Likewise.
	* nis/nis_clone_res.c: Likewise.
	* nis/nis_creategroup.c: Likewise.
	* nis/nis_file.c: Likewise.
	* nis/nis_free.c: Likewise.
	* nis/nis_getservlist.c: Likewise.
	* nis/nis_local_names.c: likewise.
	* nis/nis_lookup.c: Likewise.
	* nis/nis_mkdir.c: Likewise.
	* nis/nis_modify.c: Likewise.
	* nis/nis_ping.c: Likewise.
	* nis/nis_print.c: Likewise.
	* nis/nis_remove.c: Likewise.
	* nis/nis_removemember.c: Likewise.
	* nis/nis_rmdir.c: Likewise.
	* nis/nis_server.c: Likewise.
	* nis/nis_table.c: Likewise.
	* nis/nis_util.c: Likewise.
	* nis/nis_verifygroup.c: Likewise.
	* nis/nis_xdr.c: Likewise.
	* nis/nis_callback.c: Likewise, and move xdr functions from here ...
	* nis/nis_xdr.c: ... to here.
1998-06-16 11:43:48 +00:00

103 lines
2.7 KiB
C

/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <string.h>
#include <rpcsvc/nis.h>
#include "nis_xdr.h"
#include "nis_intern.h"
fd_result *
__nis_finddirectory (directory_obj *dir, const_nis_name name)
{
nis_error status;
fd_args fd_args;
fd_result *fd_res;
fd_args.dir_name = strdup (name);
fd_args.requester = nis_local_host();
fd_res = calloc (1, sizeof (fd_result));
status = __do_niscall2 (dir->do_servers.do_servers_val,
dir->do_servers.do_servers_len,
NIS_FINDDIRECTORY, (xdrproc_t) _xdr_fd_args,
(caddr_t) &fd_args, (xdrproc_t) _xdr_fd_result,
(caddr_t) fd_res, NO_AUTHINFO|USE_DGRAM, NULL, NULL);
if (status != NIS_SUCCESS)
fd_res->status = status;
return fd_res;
}
/* This is from libc/db/hash/hash_func.c, hash3 is static there */
/*
* This is INCREDIBLY ugly, but fast. We break the string up into 8 byte
* units. On the first time through the loop we get the "leftover bytes"
* (strlen % 8). On every other iteration, we perform 8 HASHC's so we handle
* all 8 bytes. Essentially, this saves us 7 cmp & branch instructions. If
* this routine is heavily used enough, it's worth the ugly coding.
*
* OZ's original sdbm hash
*/
unsigned long
__nis_hash (const void *keyarg, register size_t len)
{
register const u_char *key;
register size_t loop;
register u_int32_t h;
#define HASHC h = *key++ + 65599 * h
h = 0;
key = keyarg;
if (len > 0)
{
loop = (len + 8 - 1) >> 3;
switch (len & (8 - 1))
{
case 0:
do {
HASHC;
/* FALLTHROUGH */
case 7:
HASHC;
/* FALLTHROUGH */
case 6:
HASHC;
/* FALLTHROUGH */
case 5:
HASHC;
/* FALLTHROUGH */
case 4:
HASHC;
/* FALLTHROUGH */
case 3:
HASHC;
/* FALLTHROUGH */
case 2:
HASHC;
/* FALLTHROUGH */
case 1:
HASHC;
} while (--loop);
}
}
return (h);
}