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
38 #include <netgraph.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42
43 #include "ngctl.h"
44
45 static int DebugCmd(int ac, char **av);
46
47 const struct ngcmd debug_cmd = {
48 DebugCmd,
49 "debug [level]",
50 "Get/set debugging verbosity level",
51 "Without any argument, this command displays the current"
52 " debugging verbosity level. If the argument is ``+'' or ``-''"
53 " the debug level is incremented or decremented; otherwise,"
54 " it must be an absolute numerical level.",
55 { NULL }
56 };
57
58 static int
DebugCmd(int ac,char ** av)59 DebugCmd(int ac, char **av)
60 {
61 int level;
62
63 /* Get arguments */
64 switch (ac) {
65 case 2:
66 if (!strcmp(av[1], "+"))
67 level = NgSetDebug(-1) + 1;
68 else if (!strcmp(av[1], "-"))
69 level = NgSetDebug(-1) - 1;
70 else if ((level = atoi(av[1])) < 0)
71 return (CMDRTN_USAGE);
72 NgSetDebug(level);
73 break;
74 case 1:
75 printf("Current debug level is %d\n", NgSetDebug(-1));
76 break;
77 default:
78 return (CMDRTN_USAGE);
79 }
80 return (CMDRTN_OK);
81 }
82
83