debug.h

/*
    libparted - a library for manipulating disk partitions
    Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/

#ifndef PED_DEBUG_H_INCLUDED
#define PED_DEBUG_H_INCLUDED

#include <config.h>

#include <stdarg.h>

#ifdef DEBUG

typedef void (PedDebugHandler) ( const int level, const char* file, int line,
                                 const char* function, const char* msg );

extern void ped_debug_set_handler (PedDebugHandler* handler);
extern void ped_debug ( const int level, const char* file, int line,
                        const char* function, const char* msg, ... );

extern int ped_assert ( int cond, const char* cond_text,
                        const char* file, int line, const char* function );

#if defined(__GNUC__) && !defined(__JSFTRACE__)

#define PED_DEBUG(level, ...) \
        ped_debug ( level, __FILE__, __LINE__, __PRETTY_FUNCTION__, \
                    __VA_ARGS__ );

#define PED_ASSERT(cond, action)                                \
        do {                                                    \
        if (!ped_assert ( cond,                                 \
                          #cond,                                \
                          __FILE__,                             \
                          __LINE__,                             \
                          __PRETTY_FUNCTION__ ))                \
        {                                                       \
                action;                                         \
        }                                                       \
        } while (0)

#else /* !__GNUC__ */

/* function because variadic macros are C99 */
static void PED_DEBUG (int level, ...)
{
        va_list         va_args;
        
        va_start (va_args, level);
        ped_debug ( level, "unknown file", 0, "unknown function", va_args );
        va_end (va_args);
}
        
#define PED_ASSERT(cond, action)                                \
        do {                                                    \
        if (!ped_assert ( cond,                                 \
                          #cond,                                \
                          "unknown",                            \
                          0,                                    \
                          "unknown" ))                          \
        {                                                       \
                action;                                         \
        }                                                       \
        } while (0)

#endif /* __GNUC__ */

#else /* !DEBUG */

#define PED_ASSERT(cond, action)        while (0) {}
#define PED_DEBUG(level, ...)           while (0) {}


#endif /* DEBUG */

#endif /* PED_DEBUG_H_INCLUDED */

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