usr.sbin/ngctl/debug.c

   1 /*
   2  * debug.c
   3  *
   4  * Copyright (c) 1996-1999 Whistle Communications, Inc.
   5  * All rights reserved.
   6  *
   7  * Subject to the following obligations and disclaimer of warranty, use and
   8  * redistribution of this software, in source or object code forms, with or
   9  * without modifications are expressly permitted by Whistle Communications;
  10  * provided, however, that:
  11  * 1. Any and all reproductions of the source or object code must include the
  12  *    copyright notice above and the following disclaimer of warranties; and
  13  * 2. No rights are granted, in any manner or form, to use Whistle
  14  *    Communications, Inc. trademarks, including the mark "WHISTLE
  15  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
  16  *    such appears in the above copyright notice or in the software.
  17  *
  18  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
  19  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
  20  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
  21  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
  23  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
  24  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
  25  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
  26  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
  27  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
  28  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
  29  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
  30  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
  31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  33  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
  34  * OF SUCH DAMAGE.
  35  *
  36  * $FreeBSD: src/usr.sbin/ngctl/debug.c,v 1.1 1999/10/21 09:06:07 julian Exp $
  37  * $DragonFly: src/usr.sbin/ngctl/debug.c,v 1.4 2005/03/16 05:19:11 joerg Exp $
  38  */
  39
  40 #include "ngctl.h"
  41
  42 static int DebugCmd(int ac, const char **av);
  43
  44 const 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         { NULL }
  53 };
  54
  55 static int
  56 DebugCmd(int ac, const char **av)
  57 {
  58         int level;
  59
  60         /* Get arguments */
  61         switch (ac) {
  62         case 2:
  63                 if (!strcmp(av[1], "+"))
  64                         level = NgSetDebug(-1) + 1;
  65                 else if (!strcmp(av[1], "-"))
  66                         level = NgSetDebug(-1) - 1;
  67                 else if ((level = atoi(av[1])) < 0)
  68                         return(CMDRTN_USAGE);
  69                 NgSetDebug(level);
  70                 break;
  71         case 1:
  72                 printf("Current debug level is %d\n", NgSetDebug(-1));
  73                 break;
  74         default:
  75                 return(CMDRTN_USAGE);
  76         }
  77         return(CMDRTN_OK);
  78 }