usr.bin/systat/disks.c

   1 /*      $NetBSD: disks.c,v 1.16 2006/04/14 13:14:06 blymn Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1980, 1992, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 #ifndef lint
  34 #if 0
  35 static char sccsid[] = "@(#)disks.c     8.1 (Berkeley) 6/6/93";
  36 #endif
  37 __RCSID("$NetBSD: disks.c,v 1.16 2006/04/14 13:14:06 blymn Exp $");
  38 #endif /* not lint */
  39
  40 #include <ctype.h>
  41 #include <string.h>
  42
  43 #include "systat.h"
  44 #include "extern.h"
  45 #include "drvstats.h"
  46
  47 static void drvselect(char *args, int truefalse, int selections[]);
  48
  49 void
  50 disks_add(char *args)
  51 {
  52
  53         if (args)
  54                 drvselect(args, 1, drv_select);
  55 }
  56
  57 void
  58 disks_remove(char *args)
  59 {
  60
  61         if (args)
  62                 drvselect(args, 0, drv_select);
  63 }
  64
  65 void
  66 disks_drives(char *args)
  67 {
  68         size_t i;
  69
  70         if (args) {
  71                 for (i = 0; i < ndrive; i++)
  72                         drv_select[i] = 0;
  73                 disks_add(args);
  74         } else {
  75                 move(CMDLINE, 0);
  76                 clrtoeol();
  77                 for (i = 0; i < ndrive; i++)
  78                         printw("%s ", dr_name[i]);
  79         }
  80 }
  81
  82 static void
  83 drvselect(char *args, int truefalse, int selections[])
  84 {
  85         char *cp;
  86         size_t i;
  87
  88         cp = strchr(args, '\n');
  89         if (cp)
  90                 *cp = '\0';
  91         for (;;) {
  92                 for (cp = args; *cp && isspace((unsigned char)*cp); cp++)
  93                         ;
  94                 args = cp;
  95                 for (; *cp && !isspace((unsigned char)*cp); cp++)
  96                         ;
  97                 if (*cp)
  98                         *cp++ = '\0';
  99                 if (cp - args == 0)
 100                         break;
 101                 for (i = 0; i < ndrive; i++)
 102                         if (strcmp(args, dr_name[i]) == 0) {
 103                                 selections[i] = truefalse;
 104                                 break;
 105                         }
 106                 if (i >= ndrive)
 107                         error("%s: unknown drive", args);
 108                 args = cp;
 109         }
 110         labels();
 111         display(0);
 112 }