xref: /onnv-gate/usr/src/common/mdesc/mdesc_findname.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #include <sys/types.h>
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef _KERNEL
33*0Sstevel@tonic-gate #include <sys/systm.h>
34*0Sstevel@tonic-gate #else
35*0Sstevel@tonic-gate #include <strings.h>
36*0Sstevel@tonic-gate #endif
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #include <sys/mdesc.h>
39*0Sstevel@tonic-gate #include <sys/mdesc_impl.h>
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate mde_str_cookie_t
md_find_name(md_t * ptr,char * namep)42*0Sstevel@tonic-gate md_find_name(md_t *ptr, char *namep)
43*0Sstevel@tonic-gate {
44*0Sstevel@tonic-gate 	int idx, len;
45*0Sstevel@tonic-gate 	md_impl_t *mdp;
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate 	mdp = (md_impl_t *)ptr;
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate 	/*
50*0Sstevel@tonic-gate 	 * At some point init should build a local hash table to
51*0Sstevel@tonic-gate 	 * speed these name searches ... for now use brute force
52*0Sstevel@tonic-gate 	 * because the machien descriptions are so small anyway.
53*0Sstevel@tonic-gate 	 */
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	for (idx = 0; idx < mdp->name_blk_size; idx += len) {
56*0Sstevel@tonic-gate 		char *p;
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate 		p = &(mdp->namep[idx]);
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate 		len = strlen(p)+1;
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate 		if (strcmp(p, namep) == 0)
63*0Sstevel@tonic-gate 			return ((mde_str_cookie_t)idx);
64*0Sstevel@tonic-gate 	}
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate 	return (MDE_INVAL_STR_COOKIE);
67*0Sstevel@tonic-gate }
68