libyelp/yelp-debug.h

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2006 Brent Smith <gnome@nextreality.net>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of the
   8  * License, or (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 GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public
  16  * License along with this program; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef __YELP_DEBUG_H__
  20 #define __YELP_DEBUG_H__
  21
  22 G_BEGIN_DECLS
  23
  24 #include <unistd.h>
  25 #include <glib.h>
  26
  27 typedef enum {
  28         DB_FUNCTION   = 1 << 0,
  29         DB_ARG        = 1 << 1,
  30         DB_PROFILE    = 1 << 2,
  31         DB_LOG        = 1 << 3,
  32         DB_INFO       = 1 << 4,
  33         DB_DEBUG      = 1 << 5,
  34         DB_WARN       = 1 << 6,
  35         DB_ERROR      = 1 << 7,
  36         DB_ALL        = 1 << 8
  37 } YelpDebugEnums;
  38
  39 #if defined(__STDC_VERSION__) && __STDC_VERSION__ < 199901L
  40 # if __GNUC__ >= 2
  41 #  define __func__ __FUNCTION__
  42 # else
  43 #  define __func__ "<unknown>"
  44 # endif
  45 #endif
  46
  47 /* __VA_ARGS__ is C99 compliant but may not work on older versions of cpp,
  48  * so we provide a fallback */
  49 #ifdef YELP_DEBUG
  50 # if defined(__STDC_VERSION__) && __STDC_VERSION__ < 199901L
  51 #  define debug_print(format, args...) yelp_debug (__FILE__, __LINE__, __func__, format, args)
  52 # else
  53 #  define debug_print(format, ...) yelp_debug (__FILE__, __LINE__, __func__, format, __VA_ARGS__)
  54 # endif
  55 #else
  56 # if defined(__STDC_VERSION__) && __STDC_VERSION__ < 199901L
  57 #  define debug_print(format, args...)
  58 # else
  59 #  define debug_print(format, ...)
  60 # endif
  61 #endif
  62
  63 #ifdef YELP_DEBUG
  64 # define d(x) x
  65 #else
  66 # define d(x)
  67 #endif
  68
  69 G_GNUC_INTERNAL
  70 void yelp_debug (const gchar *file, guint line,
  71                  const gchar *function, guint flags, const gchar *format, ...);
  72
  73 G_END_DECLS
  74
  75 #endif /* __YELP_DEBUG_H__ */