usr/src/cmd/mdb/common/modules/md/findset.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include "mdinclude.h"
  30
  31 /*
  32  * Function: findset
  33  * Purpose:  Return the setno of a set given the name of the set.
  34  * Returns:
  35  *              setno - the number of the set
  36  *              -1    - could not find the named set
  37  */
  38 int
  39 findset(char *setn)
  40 {
  41         int i;
  42         char    setname[1024];
  43
  44         if (setn == NULL) {
  45                 return (-1);
  46         }
  47
  48         for (i = 0; i < md_nsets; i++) {
  49                 if (set_dbs[i].s_setname == 0) {
  50                         continue;
  51                 }
  52                 if (mdb_vread(&setname, 1024,
  53                     (uintptr_t)set_dbs[i].s_setname) == -1) {
  54                         mdb_warn("failed to read setname at %s\n",
  55                             set_dbs[i].s_setname);
  56                 }
  57                 if (strcmp(setname, setn) == 0) {
  58                         return (i);
  59                 }
  60         }
  61         return (-1);
  62 }