ulError.cc

/*
     PLIB - A Suite of Portable Game Libraries
     Copyright (C) 2001  Steve Baker

     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 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
     Library General Public License for more details.

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

     For further information visit http://plib.sourceforge.net
*/


#include <stdio.h>
#include <stdlib.h>
#include "ul.h"

static char            _ulErrorBuffer [ 1024 ] = { '\0' } ;
static ulErrorCallback _ulErrorCB = 0 ;

static const char* _ulSeverityText [ UL_MAX_SEVERITY ] =
{
  "DEBUG",
  "WARNING",
  "FATAL",
};


void ulSetError ( enum ulSeverity severity, const char *fmt, ... )
{
  va_list argp;
  va_start ( argp, fmt ) ;
  vsprintf ( _ulErrorBuffer, fmt, argp ) ;
  va_end ( argp ) ;

  if ( _ulErrorCB )
  {
    (*_ulErrorCB)( severity, _ulErrorBuffer ) ;
  }
  else
  {
    fprintf ( stderr, "%s: %s\n",
       _ulSeverityText[ severity ], _ulErrorBuffer ) ;
    if ( severity == UL_FATAL )
      exit (1) ;
  }
}


char* ulGetError ( void )
{
  return _ulErrorBuffer ;
}


void ulClearError ( void )
{
  _ulErrorBuffer [0] = 0 ;
}


ulErrorCallback ulGetErrorCallback ( void )
{
  return _ulErrorCB ;
}


void ulSetErrorCallback ( ulErrorCallback cb )
{
  _ulErrorCB = cb ;
}