/* C module to read in the parameter values from the configuration file	 */
/*									 */
int GetConfiguration(char *cFile, char *hmmListFile, char *trnFile, 
    float *slopeRate, float *varRate)
{
  FILE *ip;              /* configuration file pointer			 */
  char line[MAXSTRLEN];  /* temporary string - current line		 */
  char cType[MAXSTRLEN]; /* temporary string - current tag		 */
  char cStr[MAXSTRLEN];  /* temporary string - current argument		 */
  int cParams = 0;       /* parameter counter				 */


  /* Set default values for the slope and variance			 */
  *slopeRate = 0.0;
  *varRate = 0.0;

  /* Open the configuration file					 */
  if ((ip = fopen(cFile,"r")) == NULL)
    {
      printf("SegVit: can't open configuration file %s\n", cFile);
      return(RTN_ERROR);
    }
  else
    {
      printf("\nConfiguration data v2:\n=====================\n");

      /* Read next line from configuration file				 */
      while (fgets(line,MAXSTRLEN,ip) != NULL)
	{
	  cParams++;

	  /* Parse current line of configuration file			 */
	  sscanf(line,"%s %s",cType,cStr);

          /* Check for valid parameter tags				 */
	  if (!strncmp(cType,"<TRNFILE>",9))
	    {
	      sscanf(cStr,"%s",trnFile);
	      printf("  speechList file = %s\n",trnFile);
	    }
	  else if (!strncmp(cType,"<MODELFILE>",11))
	    {
	      sscanf(cStr,"%s",hmmListFile);
	      printf("  Model file list = %s\n",hmmListFile);
	    }
	  else if (!strncmp(cType,"<SLOPE_RATE>",12))
	    {
	      sscanf(cStr,"%f",slopeRate);
	      printf("  Slope learning rate = %f\n",*slopeRate);
	    }
	  else if (!strncmp(cType,"<VAR_RATE>",10))
	    {
	      sscanf(cStr,"%f",varRate);
	      printf("  Variance learning rate = %f\n",*varRate);
	    }

          /* Otherwise report an error					 */
	  else
	    {
	      printf("Illegal configuration line - %s\n", line);
	      cParams--;
              return(RTN_ERROR);
	    }
	} /* while */
    } /* if */

  return(cParams);
}