/*
 * Debugging fonctions
 *
 * Copyright 2004-2009 Nicolas Bernard <http://www.lafraze.net/nbernard/>
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

/*
 * IMPORTANT WARNING
 *
 * Beware of string format vulnerabilities: ensure an attacker cannot control
 * the format string!
 */

#ifndef _DEBUG_H_
#define _DEBUG_H_

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <syslog.h>
#include <unistd.h>
#include "confloader/confloader.h"

log_t logtype;

FILE* logfiledesc;

#ifndef WITHOUT_DEBUG_POS
#define debug(...) debugf(__FILE__, __LINE__, __func__, __VA_ARGS__)
#define panic(...) panicf(__FILE__, __LINE__, __func__, __VA_ARGS__)
#define logger(...) loggerf(__FILE__, __LINE__, __func__, __VA_ARGS__)
#ifdef _WITH_ERRSTACK_
#define stkdbg(...) stkdebugf(__FILE__, __LINE__, __func__, __VA_ARGS__)
#else
#define stkdbg(...) debugf(__FILE__, __LINE__, __func__, __VA_ARGS__)
#endif
#else
#define debug(...) debugf(NULL, 0, NULL, __VA_ARGS__)
#define panic(...) panicf(NULL, 0, NULL, __VA_ARGS__)
#define logger(...) loggerf(NULL, 0, NULL, __VA_ARGS__)
#ifdef _WITH_ERRSTACK_
#define stkdbg(...) stkdebugf(NULL, 0, NULL, __VA_ARGS__)
#else
#define stkdbg(...) debugf(NULL, 0, NULL, __VA_ARGS__)
#endif
#endif  /* ! WITH_DEBUG_POS */

void debugf(const char* file, int line, const char* func, const char* fmt, ...)
	__attribute__ ((format (printf, 4, 5))); /* Flawfinder: ignore */
void panicf(const char* file, int line, const char* func, const char* fmt, ...)
	__attribute__ ((format (printf, 4, 5), noreturn)); /* Flawfinder: ignore */
void loggerf(const char* file, int line, const char* func, int priority, const char* fmt, ...)
	__attribute__ ((format (printf, 5, 6)));  /* Flawfinder: ignore */

//#define free(a) debugf(__FILE__, __LINE__, __func__, "free(%p)", (void*) a); free(a);
//#define close(a) 0; debugf(__FILE__, __LINE__, __func__, "close(%d)", a); close(a)
#define exit(a) {debugf(__FILE__, __LINE__, __func__, "exit(%d)", a); exit(a);};

#include "dsession.h"
#define dsessionforceclosed(a)  {debugf(__FILE__, __LINE__, __func__, "dsessionforceclosed(%p)", a); dsessionforceclosedf(a);};

#ifdef _WITH_ERRSTACK_
void dumperrstack(log_t where);
void dumperrstackstderr(void); /* useful with atexit */
void flusherrstack(void); /* if the error was recovered and doesn't need to be
			     remembered... */
void stkdebugf(const char* file, int line, const char* func, const char* fmt, ...);
#endif /* _WITH_ERRSTACK_*/

#endif /* _DEBUG_H_ */