// file: check_for_help.C
//

#include "./process_data.h"

// define the command line options
#define HELP_COMMAND "more ./process_data.help"
#define HELP_OPTION "-help"

//-----------------------------------------------------------------------------
// function: check_for_help_C
//
// arguments:
//  int argc:			(input) number of command line arguments
//  char** argv:		(input) command line arguments
//
// returns:
//  L_TRUE if no help option is specified
//  exits after displaying a help message otherwise
//
// checks whether a help option was specified
//-----------------------------------------------------------------------------
int check_for_help_C(int argc, char** argv) {

  // declare local variables
  //
  int arg_index = 0;

  // check if a help option was specified on the command line
  // loop over all arguments and all options 

  for (arg_index=0; arg_index<argc; arg_index++) {
    
    // check for a partial match
    //
    if (strstr(HELP_OPTION, argv[arg_index]) != NULL) {
      system(HELP_COMMAND);
      exit(SSPL_NO_ERROR);
    }
  }

  // exit gracefully
  //
  return L_FALSE;
}