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      1 /*	$NetBSD: disks.c,v 1.20 2023/03/27 23:20:13 kre 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 1.20 2023/03/27 23:20:13 kre Exp $");
     38 #endif /* not lint */
     39 
     40 #include <ctype.h>
     41 #include <string.h>
     42 #include <fnmatch.h>
     43 
     44 #include "systat.h"
     45 #include "extern.h"
     46 #include "drvstats.h"
     47 
     48 static void drvselect(char *args, int truefalse, int selections[]);
     49 
     50 void
     51 disks_add(char *args)
     52 {
     53 
     54 	if (args)
     55 		drvselect(args, 1, drv_select);
     56 }
     57 
     58 void
     59 disks_remove(char *args)
     60 {
     61 
     62 	if (args)
     63 		drvselect(args, 0, drv_select);
     64 }
     65 
     66 void
     67 disks_drives(char *args)
     68 {
     69 	size_t i;
     70 
     71 	if (args) {
     72 		for (i = 0; i < ndrive; i++)
     73 			drv_select[i] = 0;
     74 		labels();
     75 		disks_add(args);
     76 	} else {
     77 		move(CMDLINE, 0);
     78 		clrtoeol();
     79 		for (i = 0; i < ndrive; i++)
     80 			printw("%s ", dr_name[i]);
     81 	}
     82 }
     83 
     84 static void
     85 drvselect(char *args, int truefalse, int selections[])
     86 {
     87 	char *cp;
     88 	size_t i;
     89 	int matched;
     90 	int changed = 0;
     91 
     92 	cp = strchr(args, '\n');
     93 	if (cp)
     94 		*cp = '\0';
     95 	for (;;) {
     96 		for (cp = args; *cp && isspace((unsigned char)*cp); cp++)
     97 			;
     98 		args = cp;
     99 		for (; *cp && !isspace((unsigned char)*cp); cp++)
    100 			;
    101 		if (*cp)
    102 			*cp++ = '\0';
    103 		if (cp - args == 0)
    104 			break;
    105 		matched = 0;
    106 		for (i = 0; i < ndrive; i++)
    107 			if (fnmatch(args, dr_name[i], 0) == 0) {
    108 				if (selections[i] != truefalse)
    109 					changed = 1;
    110 				selections[i] = truefalse;
    111 				matched = 1;
    112 			}
    113 		if (matched == 0)
    114 			error("%s: unknown drive", args);
    115 		args = cp;
    116 	}
    117 	if (changed) {
    118 		labels();
    119 		display(0);
    120 	}
    121 }
    122