lib/debug.c

   1 /* Dia -- an diagram creation/manipulation program
   2  * Copyright (C) 1998 Alexander Larsson
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  */
  18
  19 /* This file contains various functions to aid in debugging in general. */
  20
  21 #include <config.h>
  22
  23 #include <stdio.h>
  24 #include <glib/gprintf.h>
  25 #include <stdarg.h>
  26
  27 /** Output a message if the given value is not true.
  28  * @param val A value to test.
  29  * @param format A printf-style message to output if the value is false.
  30  * @return val
  31  */
  32 gboolean
  33 dia_assert_true(gboolean val, gchar *format, ...) {
  34   va_list args;
  35   if (!val) {
  36     va_start(args, format);
  37     g_vprintf(format, args);
  38     va_end(args);
  39   }
  40   return val;
  41 }