/*

   Linux error(3) function go around for systems that has err(3) and

   warn(3), but no error(3).  MacOS is good example of such.

   The GNU C 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 version 2.

   The GNU C 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 the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.

*/

#include <stdarg.h>

#include <err.h>

void error(int status, int errnum, const char *format, ...) {

  va_list arg;

  va_start(arg, format);

  if (errnum == 0) {

    if (status == 0)

      vwarnx(format, arg);

    else

      verrx(status, format, arg);

  } else {

    if (status == 0)

      vwarn(format, arg);

    else

      verr(status, format, arg);

  }

  va_end(arg);

}