/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            error.cc
 *
 *  Sat Mar 26 10:57:07 CET 2005
 *  Copyright  2005 Bent Bisballe
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
/*
 * $Id$
 */
/*
 * $Log$
 * Revision 1.6  2005/05/01 09:56:26  deva
 * Added Id and Log tags to all files
 *
 */
#include <config.h>
#include "error.h"

#include <stdio.h>
#include <stdarg.h>

Error::Error()
{
  // Initialize
  lastError = NULL;
  pthread_mutex_init (&mutex, NULL);
}


Error::~Error()
{
}


bool Error::hasError()
{
  return lastError != NULL;
}


string Error::popErrorString()
{
  pthread_mutex_lock(&mutex);
  if(lastError == NULL) return string("");

  _err_entry *err = lastError;
  string le = err->errstr;
  lastError = err->prev;
  delete err;
  pthread_mutex_unlock(&mutex);
  return le;
}


void Error::pushError(char *fmt, ...)
{
  char buf[1024];

  pthread_mutex_lock(&mutex);
  // Beginning of safezone

	va_list argp;
	va_start(argp, fmt);
  fprintf(stderr, "New Error: ["); vfprintf(stderr, fmt, argp); fprintf(stderr, "]\n"); fflush(stderr);
	vsprintf(buf, fmt, argp);
	va_end(argp);

  _err_entry *err = new _err_entry;

  err->errstr = string(buf);
  err->prev = lastError;
  lastError = err;

  // End of safezone
  pthread_mutex_unlock(&mutex);
}


void Error::removeAllErrors()
{
  while(lastError) popErrorString();
}