1 mike  1.1.2.1 /*
  2               //%2006////////////////////////////////////////////////////////////////////////
  3               //
  4               // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
  5               // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
  6               // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
  7               // IBM Corp.; EMC Corporation, The Open Group.
  8               // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
  9               // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
 10               // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 11               // EMC Corporation; VERITAS Software Corporation; The Open Group.
 12               // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 13               // EMC Corporation; Symantec Corporation; The Open Group.
 14               //
 15               // Permission is hereby granted, free of charge, to any person obtaining a copy
 16               // of this software and associated documentation files (the "Software"), to
 17               // deal in the Software without restriction, including without limitation the
 18               // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 19               // sell copies of the Software, and to permit persons to whom the Software is
 20               // furnished to do so, subject to the following conditions:
 21               // 
 22 mike  1.1.2.1 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
 23               // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
 24               // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 25               // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 26               // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 27               // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 28               // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 29               // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 30               //
 31               //%/////////////////////////////////////////////////////////////////////////////
 32               */
 33               
 34               #include "Options.h"
 35               #include <string.h>
 36               
 37               /*
 38               **==============================================================================
 39               **
 40               ** _TestFlagOption()
 41               **
 42               **     Check whether argv contains the given option. Return 0 if so. Else
 43 mike  1.1.2.1 **     return -1. Remove the argument from the list if the *remove* argument
 44               **     is non-zero.
 45               **
 46               **         if (_TestFlagOption(&argc, &argv, "--help", 0) == 0)
 47               **         {
 48               **         }
 49               **
 50               **==============================================================================
 51               */
 52               
 53               static int _TestFlagOption(
 54                   int* argc_, char*** argv_, const char* option, int remove)
 55               {
 56                   int argc = *argc_;
 57                   char** argv = *argv_;
 58                   int i;
 59               
 60                   for (i = 0; i < argc; i++)
 61                   {
 62                       if (strcmp(argv[i], option) == 0)
 63                       {
 64 mike  1.1.2.1             if (remove)
 65                           {
 66                               memmove(&argv[i], &argv[i + 1], (argc-i) * sizeof(char*));
 67                               argc--;
 68                           }
 69               
 70                           *argc_ = argc;
 71                           *argv_ = argv;
 72                           return 0;
 73                       }
 74                   }
 75               
 76                   /* Not found */
 77                   return -1;
 78               }
 79               
 80               /*
 81               **==============================================================================
 82               **
 83               ** GetOptions()
 84               **
 85 mike  1.1.2.1 **     Get all "minus" options from the command line. Place corresponding flags
 86               **     into Options structure.
 87               **
 88               **==============================================================================
 89               */
 90               
 91               void GetOptions(int* argc, char*** argv, struct Options* options)
 92               {
 93                   memset(options, 0, sizeof(struct Options));
 94               
 95                   if (_TestFlagOption(argc, argv, "--policy", 1) == 0)
 96                       options->policy = 1;
 97               
 98                   if (_TestFlagOption(argc, argv, "--macros", 1) == 0)
 99                       options->macros = 1;
100               
101                   if (_TestFlagOption(argc, argv, "--version", 0) == 0)
102                       options->version = 1;
103               
104                   if (_TestFlagOption(argc, argv, "-v", 0) == 0)
105                       options->version = 1;
106 mike  1.1.2.1 
107                   if (_TestFlagOption(argc, argv, "--help", 0) == 0)
108                       options->help = 1;
109               
110                   if (_TestFlagOption(argc, argv, "-h", 0) == 0)
111                       options->help = 1;
112               
113                   if (_TestFlagOption(argc, argv, "-s", 0) == 0)
114                       options->shutdown = 1;
115               
116                   if (_TestFlagOption(argc, argv, "--perror", 1) == 0)
117                       options->perror = 1;
118               }