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ifcmds.c revision 1.2 
      1 /*	$NetBSD: ifcmds.c,v 1.2 2016/08/02 17:53:46 scole Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2003, Trent Nelson, <trent (at) arpa.com>.
      5  * 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. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  *
     30  * $FreeBSD: releng/10.1/usr.bin/systat/ifcmds.c 247037 2013-02-20 14:19:09Z melifaro $
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 #ifndef lint
     35 __RCSID("$NetBSD: ifcmds.c,v 1.2 2016/08/02 17:53:46 scole Exp $");
     36 #endif /* not lint */
     37 
     38 #include <sys/types.h>
     39 
     40 #include <stdlib.h>
     41 #include <string.h>
     42 
     43 #include "systat.h"
     44 #include "extern.h"
     45 #include "convtbl.h"
     46 
     47 
     48 int curscale = SC_AUTO;
     49 char *matchline = NULL;
     50 int showpps = 0;
     51 int needsort = 0;
     52 
     53 int
     54 ifcmd(const char *cmd, const char *args)
     55 {
     56 	int scale;
     57 
     58 	if (prefix(cmd, "scale")) {
     59 		if ((scale = get_scale(args)) != -1)
     60 			curscale = scale;
     61 		else {
     62 			move(CMDLINE, 0);
     63 			clrtoeol();
     64 			addstr("what scale? ");
     65 			addstr(get_helplist());
     66 		}
     67 	} else if (prefix(cmd, "match")) {
     68 		if (args != NULL && *args != '\0' && memcmp(args, "*", 2) != 0) {
     69 			/* We got a valid match line */
     70 			if (matchline != NULL)
     71 				free(matchline);
     72 			needsort = 1;
     73 			matchline = strdup(args);
     74 		} else {
     75 			/* Empty or * pattern, turn filtering off */
     76 			if (matchline != NULL)
     77 				free(matchline);
     78 			needsort = 1;
     79 			matchline = NULL;
     80 		}
     81 	} else if (prefix(cmd, "pps"))
     82 		showpps = !showpps;
     83 
     84 	return (1);
     85 }
     86