/* t-common.h - Common code for the tests.
 * Copyright (C) 2013 g10 Code GmbH
 *
 * This file is part of libgpg-error.
 *
 * libgpg-error 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.
 *
 * libgpg-error 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 program; if not, see <https://www.gnu.org/licenses/>.
 */

#include <stdarg.h>

#include "../src/gpg-error.h"

#ifndef PGM
# error Macro PGM not defined.
#endif
#ifndef DIM
# define DIM(array) (sizeof (array) / sizeof (*array))
#endif


static int verbose;
static int debug;
static int errorcount;


static void
die (const char *format, ...)
{
  va_list arg_ptr ;

  fflush (stdout);
#ifdef HAVE_FLOCKFILE
  flockfile (stderr);
#endif
  fprintf (stderr, "%s: ", PGM);
  va_start (arg_ptr, format) ;
  vfprintf (stderr, format, arg_ptr);
  va_end (arg_ptr);
  if (*format && format[strlen(format)-1] != '\n')
    putc ('\n', stderr);
#ifdef HAVE_FLOCKFILE
  funlockfile (stderr);
#endif
  exit (1);
}


static void
fail (const char *format, ...)
{
  va_list arg_ptr;

  fflush (stdout);
#ifdef HAVE_FLOCKFILE
  flockfile (stderr);
#endif
  fprintf (stderr, "%s: ", PGM);
  va_start (arg_ptr, format);
  vfprintf (stderr, format, arg_ptr);
  va_end (arg_ptr);
  if (*format && format[strlen(format)-1] != '\n')
    putc ('\n', stderr);
#ifdef HAVE_FLOCKFILE
  funlockfile (stderr);
#endif
  errorcount++;
  if (errorcount >= 50)
    die ("stopped after 50 errors.");
}


static void
show (const char *format, ...)
{
  va_list arg_ptr;

  if (!verbose)
    return;
#ifdef HAVE_FLOCKFILE
  flockfile (stderr);
#endif
  fprintf (stderr, "%s: ", PGM);
  va_start (arg_ptr, format);
  vfprintf (stderr, format, arg_ptr);
  if (*format && format[strlen(format)-1] != '\n')
    putc ('\n', stderr);
  va_end (arg_ptr);
#ifdef HAVE_FLOCKFILE
  funlockfile (stderr);
#endif
}