/************************************************************************
qDecoder - Web Application Interface for C/C++    http://www.qDecoder.org

Copyright (C) 2001 The qDecoder Project.
Copyright (C) 1999,2000 Hongik Internet, Inc.
Copyright (C) 1998 Nobreak Technologies, Inc.
Copyright (C) 1996,1997 Seung-young Kim.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

Copyright Disclaimer:
  Hongik Internet, Inc., hereby disclaims all copyright interest.
  President, Christopher Roh, 6 April 2000

  Nobreak Technologies, Inc., hereby disclaims all copyright interest.
  President, Yoon Cho, 6 April 2000

  Seung-young Kim, hereby disclaims all copyright interest.
  Author, Seung-young Kim, 6 April 2000
************************************************************************/

#include "qDecoder.h"
#include "qInternal.h"


/**********************************************
** Usage : qCountRead(filename);
** Return: Success counter value, Fail 0.
** Do    : Read counter value.
**********************************************/
int qCountRead(char *filename) {
  FILE *fp;
  int  counter;

  if((fp = fopen(filename, "rt")) == NULL) return 0;
  fscanf(fp, "%d", &counter);
  fclose(fp);
  return counter;
}

/**********************************************
** Usage : qCountSave(filename, number);
** Return: Success 1, Fail 0.
** Do    : Save counter value.
**********************************************/
int qCountSave(char *filename, int number) {
  FILE *fp;

  if((fp = fopen(filename, "wt")) == NULL) return 0;
  fprintf(fp, "%d\n", number);
  fclose(fp);

  return 1;
}

/**********************************************
** Usage : qCountUpdate(filename, number);
** Return: Success current value + number, Fail 0.
** Do    : Update counter value.
**********************************************/
int qCountUpdate(char *filename, int number) {
  FILE *fp;
  int counter = 0;

  if((fp = fopen(filename, "r+t")) != NULL) {
    fscanf(fp, "%d", &counter);
    fseek(fp, 0, SEEK_SET);
  }
  else if((fp = fopen(filename, "wt")) == NULL) return 0;
  counter += number;
  fprintf(fp, "%d\n", counter);
  fclose(fp);
  return counter;
}