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 * $FreeBSD$ 38 */ 39 40 #include <netgraph.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 45 #include "ngctl.h" 46 47 static int DebugCmd(int ac, char **av); 48 49 const struct ngcmd debug_cmd = { 50 DebugCmd, 51 "debug [level]", 52 "Get/set debugging verbosity level", 53 "Without any argument, this command displays the current" 54 " debugging verbosity level. If the argument is ``+'' or ``-''" 55 " the debug level is incremented or decremented; otherwise," 56 " it must be an absolute numerical level.", 57 { NULL } 58 }; 59 60 static int 61 DebugCmd(int ac, char **av) 62 { 63 int level; 64 65 /* Get arguments */ 66 switch (ac) { 67 case 2: 68 if (!strcmp(av[1], "+")) 69 level = NgSetDebug(-1) + 1; 70 else if (!strcmp(av[1], "-")) 71 level = NgSetDebug(-1) - 1; 72 else if ((level = atoi(av[1])) < 0) 73 return (CMDRTN_USAGE); 74 NgSetDebug(level); 75 break; 76 case 1: 77 printf("Current debug level is %d\n", NgSetDebug(-1)); 78 break; 79 default: 80 return (CMDRTN_USAGE); 81 } 82 return (CMDRTN_OK); 83 } 84 85