src/debug_printf.h

   1 /* libmpd (high level libmpdclient library)
   2  * Copyright (C) 2004-2009 Qball Cow <qball@sarine.nl>
   3  * Project homepage: http://gmpcwiki.sarine.nl/
   4
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #ifndef __DEBUG_PRINTF_H__
  21 #define __DEBUG_PRINTF_H__
  22
  23 /**\defgroup 100debug Debug
  24  */
  25 /*@{*/
  26
  27 /**
  28  */
  29 typedef enum _DebugLevel {
  30         /** No debug output */
  31         DEBUG_NO_OUTPUT = 0,
  32         /** Print only error messages */
  33         DEBUG_ERROR = 1,
  34         /** Print Error and Warning messages */
  35         DEBUG_WARNING = 2,
  36         /** Print only error message */
  37         DEBUG_INFO = 3
  38 } DebugLevel;
  39
  40 /**
  41  * @param dl a #DebugLevel
  42  *
  43  * Set the debug level. if set to DEBUG_INFO everything is printed to stdout.
  44  */
  45 void debug_set_level(DebugLevel dl);
  46
  47 /** Internal function, do no use */
  48 void debug_printf_real(DebugLevel dp, const char *file,const int line,const char *function, const char *format,...);
  49
  50 /**
  51  * @param dp The debug level the message is at.
  52  * @param format a printf style string
  53  * @param ARGS arguments for format
  54  */
  55 #define debug_printf(dp, format, ARGS...) debug_printf_real(dp,__FILE__,__LINE__,__FUNCTION__,format,##ARGS)
  56
  57 /**
  58  * @param fp a #FILE
  59  *
  60  * Redirect the output from stdout to fp.
  61  * Set to NULL, to revert back to stdout.
  62  */
  63 void debug_set_output(FILE *fp);
  64 /*@}*/
  65 #endif