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/* Chrysalide - Outil d'analyse de fichiers binaires
* logs.h - prototypes pour la diffusion de messages d'alerte ou informatifs
*
* Copyright (C) 2017 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide 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 3 of the License, or
* (at your option) any later version.
*
* Chrysalide 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _CORE_LOGS_H
#define _CORE_LOGS_H
#include <errno.h>
#include <stdarg.h>
#include <string.h>
#include <openssl/err.h>
#include <i18n.h>
/* Type de messages disponibles */
typedef enum _LogMessageType
{
LMT_INFO, /* Information sur l'exécution */
LMT_PROCESS, /* Début de tâche quelconque */
LMT_WARNING, /* Avertissment à remonter */
LMT_BAD_BINARY, /* Binaire malformé */
LMT_ERROR, /* Erreur de traitement interne*/
LMT_EXT_ERROR, /* Erreur de traitement externe*/
LMT_COUNT
} LogMessageType;
/* ------------------------ EMISSIONS DE MESSAGES CLASSIQUES ------------------------ */
/* Fournit la verbosité des messages système. */
LogMessageType get_log_verbosity(void);
/* Définit la verbosité des messages système. */
void set_log_verbosity(LogMessageType);
/* Affiche un message dans le journal des messages système. */
void log_simple_message(LogMessageType, const char *);
/* Construit un message pour le journal des messages système. */
char *build_variadic_message(const char *, va_list);
/* Affiche un message dans le journal des messages système. */
void log_variadic_message(LogMessageType, const char *, ...);
/* ------------------------ REMONTEE D'EVENEMENTS INATTENDUS ------------------------ */
#define LOG_ERROR(tp, msg) \
log_variadic_message(tp, "[%s:%u] %s", __FUNCTION__, __LINE__, msg);
#define LOG_ERROR_N(func) \
do \
{ \
char __msg[1024]; \
char *__msg_ptr; \
__msg_ptr = strerror_r(errno, __msg, sizeof(__msg)); \
log_variadic_message(LMT_EXT_ERROR, "[%s:%u] %s: %s", __FUNCTION__, __LINE__, func, __msg_ptr); \
} \
while (0)
#define LOG_ERROR_OPENSSL \
do \
{ \
unsigned long __err; \
const char *__msg; \
__err = ERR_get_error(); \
__msg = ERR_reason_error_string(__err); \
if (__msg != NULL) \
log_variadic_message(LMT_EXT_ERROR, "[%s:%u] %s", __FUNCTION__, __LINE__, __msg); \
else \
log_variadic_message(LMT_EXT_ERROR, "[%s:%u] unamed error", __FUNCTION__, __LINE__); \
} \
while (0)
#endif /* _CORE_LOGS_H */
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