error.C

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#include "error.H"
#include "config.H"


void
err_(int flags, const char *fmt, va_list ap)
{
   static char buf[4096];

   int   errno_save  = errno;
   
   int   errlev      =    flags & ERR_LEV_MASK;
   bool  errnomsg    = !!(flags & ERR_INCL_ERRNO);
   
   if (errlev <= Config::get_var_int("JOT_WARNING_LEVEL",2,true))
   {
      vsprintf(buf, fmt, ap);
      cerr << buf;
#ifndef WIN32
      if (errnomsg) cerr << ": " << strerror(errno_save);
      cerr << endl;
#else
      //WIN32 only uses errno for certain calls... 
      //but this seems to work more widely (always?)
      if (errnomsg)
      {
         {
            LPVOID lpMsgBuf;
            FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | 
                           FORMAT_MESSAGE_FROM_SYSTEM | 
                           FORMAT_MESSAGE_IGNORE_INSERTS,
                           NULL, GetLastError(), 
                           MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                           (LPTSTR) &lpMsgBuf, 0, NULL  );
            cerr << ": " << (LPCTSTR)lpMsgBuf;
            LocalFree( lpMsgBuf );
         }
      }
      else 
      {
         cerr << endl;
      }
#endif
   }
}

// end of file error.C

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