1 /*
   2     libparted - a library for manipulating disk partitions
   3     Copyright (C) 1998, 1999, 2000, 2002, 2007 Free Software Foundation, Inc.
   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 3 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
  16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18 
  19 #ifndef PED_DEBUG_H_INCLUDED
  20 #define PED_DEBUG_H_INCLUDED
  21 
  22 #include <stdarg.h>
  23 
  24 #ifdef DEBUG
  25 
  26 typedef void (PedDebugHandler) ( const int level, const char* file, int line,
  27                                  const char* function, const char* msg );
  28 
  29 extern void ped_debug_set_handler (PedDebugHandler* handler);
  30 extern void ped_debug ( const int level, const char* file, int line,
  31                         const char* function, const char* msg, ... );
  32 
  33 extern int ped_assert ( int cond, const char* cond_text,
  34                         const char* file, int line, const char* function );
  35 
  36 #if defined(__GNUC__) && !defined(__JSFTRACE__)
  37 
  38 #define PED_DEBUG(level, ...) \
  39         ped_debug ( level, __FILE__, __LINE__, __PRETTY_FUNCTION__, \
  40                     __VA_ARGS__ );
  41 
  42 #define PED_ASSERT(cond, action)                                \
  43         do {                                                    \
  44         if (!ped_assert ( cond,                                 \
  45                           #cond,                                \
  46                           __FILE__,                             \
  47                           __LINE__,                             \
  48                           __PRETTY_FUNCTION__ ))                \
  49         {                                                       \
  50                 action;                                         \
  51         }                                                       \
  52         } while (0)
  53 
  54 #else /* !__GNUC__ */
  55 
  56 /* function because variadic macros are C99 */
  57 static void PED_DEBUG (int level, ...)
  58 {
  59         va_list         va_args;
  60         
  61         va_start (va_args, level);
  62         ped_debug ( level, "unknown file", 0, "unknown function", va_args );
  63         va_end (va_args);
  64 }
  65         
  66 #define PED_ASSERT(cond, action)                                \
  67         do {                                                    \
  68         if (!ped_assert ( cond,                                 \
  69                           #cond,                                \
  70                           "unknown",                            \
  71                           0,                                    \
  72                           "unknown" ))                          \
  73         {                                                       \
  74                 action;                                         \
  75         }                                                       \
  76         } while (0)
  77 
  78 #endif /* __GNUC__ */
  79 
  80 #else /* !DEBUG */
  81 
  82 #define PED_ASSERT(cond, action)        while (0) {}
  83 #define PED_DEBUG(level, ...)           while (0) {}
  84 
  85 
  86 #endif /* DEBUG */
  87 
  88 #endif /* PED_DEBUG_H_INCLUDED */
  89