firmware/include/format.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Felix Arends
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef __FORMAT_H__
  23 #define __FORMAT_H__
  24
  25 void format(
  26     /* call 'push()' for each output letter */
  27     int (*push)(void *userp, unsigned char data),
  28     void *userp,
  29     const char *fmt,
  30     va_list ap);
  31
  32 /* callback function is called for every output character (byte) with userp and
  33  * should return 0 when ch is a char other than '\0' that should stop printing */
  34 void vuprintf(int (*push)(void *userp, unsigned char data),
  35               void *userp, const char *fmt, va_list ap);
  36
  37 #endif /* __FORMAT_H__ */