libveriuser/mc_scan_plusargs.c

   1 /*
   2  * Copyright (c) 2002 Michael Ruff (mruff at chiaro.com)
   3  *
   4  *    This source code is free software; you can redistribute it
   5  *    and/or modify it in source code form under the terms of the GNU
   6  *    General Public License as published by the Free Software
   7  *    Foundation; either version 2 of the License, or (at your option)
   8  *    any later version.
   9  *
  10  *    This program is distributed in the hope that it will be useful,
  11  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *    GNU General Public License for more details.
  14  *
  15  *    You should have received a copy of the GNU General Public License
  16  *    along with this program; if not, write to the Free Software
  17  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  18  */
  19 #ifdef HAVE_CVS_IDENT
  20 #ident "$Id: mc_scan_plusargs.c,v 1.3 2002/08/12 01:35:02 steve Exp $"
  21 #endif
  22
  23 # include  <string.h>
  24 # include  <vpi_user.h>
  25 # include  <veriuser.h>
  26
  27 /*
  28  * mc_scan_plusargs implemented using VPI interface
  29  */
  30 char *mc_scan_plusargs(char *plusarg)
  31 {
  32       int argc, diff;
  33       char **argv, *a, *p;
  34       s_vpi_vlog_info vpi_vlog_info;
  35
  36       /* get command line */
  37       if (! vpi_get_vlog_info(&vpi_vlog_info))
  38             return (char *)0;
  39
  40       /* for each argument */
  41       argv = vpi_vlog_info.argv;
  42       for (argc = 0; argc < vpi_vlog_info.argc; argc++, argv++) {
  43             a = *argv;
  44             p = plusarg;
  45
  46             /* only plusargs */
  47             if (*a != '+') continue;
  48             a += 1;
  49
  50             /* impossible matches */
  51             if (strlen(a) < strlen(p)) continue;
  52
  53             diff = 0;
  54             while (*p) {
  55
  56                 if (*a != *p) {
  57                     diff = 1;
  58                     break;
  59                 }
  60                 a++; p++;
  61             }
  62
  63             if (!diff) return a;
  64       }
  65
  66       /* didn't find it yet */
  67       return (char *)0;
  68 }
  69
  70 /*
  71  * $Log: mc_scan_plusargs.c,v $
  72  * Revision 1.3  2002/08/12 01:35:02  steve
  73  *  conditional ident string using autoconfig.
  74  *
  75  * Revision 1.2  2002/05/24 21:46:21  steve
  76  *  Only match plusargs.
  77  *
  78  * Revision 1.1  2002/05/24 20:29:07  steve
  79  *  Implement mc_scan_plusargs.
  80  *
  81  */