src/libdbg/dbglog.h

   1 /* Understanding is not required. Only obedience.
   2  *
   3  * This program is free software. It comes without any warranty, to
   4  * the extent permitted by applicable law. You can redistribute it
   5  * and/or modify it under the terms of the Do What The Fuck You Want
   6  * To Public License, Version 2, as published by Sam Hocevar. See
   7  * http://sam.zoy.org/wtfpl/COPYING for more details. */
   8 /* debug logs */
   9 #ifndef _DBGLOG_H_
  10 #define _DBGLOG_H_
  11
  12 #ifdef __cplusplus
  13 extern "C" {
  14 #endif
  15
  16 #include <stdarg.h>
  17
  18 /*#define NO_DEBUG_LOG*/
  19
  20
  21 typedef void (*DbgLogUpdateFn) (void);
  22 extern DbgLogUpdateFn dbgLogPostUpdate;
  23 extern DbgLogUpdateFn dbgLogPreUpdate;
  24
  25
  26 #define DBGLOG_CONSTRUCTOR_PRIO  (555)
  27
  28
  29 /* defaults: write to file; don't write to stderr */
  30
  31 extern void dbglog_set_filename (const char *fname);
  32 extern int dbglog_set_screenout (int doIt);
  33 extern int dbglog_set_fileout (int doIt);
  34 #ifndef NO_DEBUG_LOG
  35 extern void dlogf (const char *fmt, ...) __attribute__((format(printf, 1, 2)));
  36 extern void dlogfVA (const char *fmt, va_list ap);
  37 #else
  38 # define dlogf(fmt,...)          (void(0))
  39 # define dlogfVA(fmt,ap)         (void(0))
  40 #endif
  41
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46 #endif