debug.c revision 52419 
1
2/*
3 * debug.c
4 *
5 * Copyright (c) 1996-1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and
9 * redistribution of this software, in source or object code forms, with or
10 * without modifications are expressly permitted by Whistle Communications;
11 * provided, however, that:
12 * 1. Any and all reproductions of the source or object code must include the
13 *    copyright notice above and the following disclaimer of warranties; and
14 * 2. No rights are granted, in any manner or form, to use Whistle
15 *    Communications, Inc. trademarks, including the mark "WHISTLE
16 *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
17 *    such appears in the above copyright notice or in the software.
18 *
19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * $FreeBSD: head/usr.sbin/ngctl/debug.c 52419 1999-10-21 09:06:11Z julian $
38 */
39
40#include "ngctl.h"
41
42static int DebugCmd(int ac, char **av);
43
44const struct ngcmd debug_cmd = {
45	DebugCmd,
46	"debug [level]",
47	"Get/set debugging verbosity level",
48	"Without any argument, this command displays the current"
49	" debugging verbosity level. If the argument is ``+'' or ``-''"
50	" the debug level is incremented or decremented; otherwise,"
51	" it must be an absolute numerical level."
52};
53
54static int
55DebugCmd(int ac, char **av)
56{
57	int level;
58
59	/* Get arguments */
60	switch (ac) {
61	case 2:
62		if (!strcmp(av[1], "+"))
63			level = NgSetDebug(-1) + 1;
64		else if (!strcmp(av[1], "-"))
65			level = NgSetDebug(-1) - 1;
66		else if ((level = atoi(av[1])) < 0)
67			return(CMDRTN_USAGE);
68		NgSetDebug(level);
69		break;
70	case 1:
71		printf("Current debug level is %d\n", NgSetDebug(-1));
72		break;
73	default:
74		return(CMDRTN_USAGE);
75	}
76	return(CMDRTN_OK);
77}
78
79