/* *****************************************************************************
 * libg1m/internals/log.h -- libg1m's logging system.
 * Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
 *
 * This file is part of libg1m.
 * libg1m is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 3.0 of the License,
 * or (at your option) any later version.
 *
 * libg1m 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libg1m; if not, see <http://www.gnu.org/licenses/>.
 *
 * The libg1m logging system is quite simple and defined at compilation time.
 * It cannot be tweaked at runtime (I should probably correct that someday).
 * Also, as it's an internal header, only the libg1m sources can use it.
 * ************************************************************************** */
#ifndef LIBG1M_INTERNALS_LOG_H
# define LIBG1M_INTERNALS_LOG_H
# include <stdint.h>
# include <inttypes.h>

/* Some printf types */
# ifdef _WIN64
#  define PRIuSIZE "l64u"
# elif _WIN32
#  define PRIuSIZE "u"
# else
#  define PRIuSIZE "zu"
# endif

/* ************************************************************************** */
/*  Log utility                                                               */
/* ************************************************************************** */
/* Log level */
# define ll_info 0
# define ll_warn 1
# define ll_error 2
# define ll_fatal 3
# define ll_none 4

/* Macros */
# define g1m_log(P, S, ...) \
	fprintf(stderr, P "%s: " S "\n", __FUNCTION__, ##__VA_ARGS__)
# define logm(S, M, N) g1m_log_mem(S, M, N)

# if LOGLEVEL <= ll_info
#  define log_info(S, ...) g1m_log("[libg1m info]  ", S, ##__VA_ARGS__)
#  define logm_info(M, N) logm("[libg1m info]  ", M, N)
# else
#  define log_info(S, ...)
#  define logm_info(M, N)
# endif

# if LOGLEVEL <= ll_warn
#  define log_warn(S, ...) g1m_log("[libg1m warn]  ", S, ##__VA_ARGS__)
#  define logm_warn(M, N) logm("[libg1m warn]  ", M, N)
# else
#  define log_warn(S, ...)
#  define logm_warn(M, N)
# endif

# if LOGLEVEL <= ll_error
#  define log_error(S, ...) g1m_log("[libg1m error] ", S, ##__VA_ARGS__)
# else
#  define log_error(S, ...)
# endif

# if LOGLEVEL <= ll_fatal
#  define log_fatal(S, ...) g1m_log("[libg1m fatal] ", S, ##__VA_ARGS__)
# else
#  define log_fatal(S, ...)
# endif

/* Functions prototypes */
void g1m_log_mem(const char *prefix, void *m, size_t n);
const char *g1m_get_type_string(int main_id, int type);
const char *g1m_get_mcs_ftype_string(int code);
const char *g1m_get_eact_ltype_string(int code);

#endif /* LIBG1M_INTERNALS_LOG_H */