msglog.h

#ifndef MSG_LOG_H
#define MSG_LOG_H

#include <stdio.h>
#include <stdlib.h>

/*
 * gettext support
 *  msglog.h must follow config.h
 */

#ifdef ENABLE_NLS
#include <libintl.h>
#else
#define gettext(msgid) (msgid)
#define textdomain(domain)
#define bindtextdomain(domain, dir)
#endif

#define _(msgid) gettext (msgid)
#define gettext_noop(msgid) msgid
#define N_(msgid) gettext_noop (msgid)

/*
 * DBG_0 is for msg_dbg
 * msg_dbgl and msg_dumpl share the same dbg_msk
 */
enum _debugLevelInfo {
   DBG_0 = (1 << 0),
   DBG_1 = (1 << 1),
   DBG_2 = (1 << 2),
   DBG_3 = (1 << 3),
   DBG_4 = (1 << 4),
   DBG_5 = (1 << 5),
   DBG_6 = (1 << 6),
   DBG_7 = (1 << 7),
   DBG_8 = (1 << 8),		/* sockcon */
   DBG_9 = (1 << 9),
   DBG_10 = (1 << 10),
   DBG_11 = (1 << 11),
   DBG_12 = (1 << 12),
   DBG_13 = (1 << 13),
   DBG_14 = (1 << 14),		/* message dump */
   DBG_15 = (1 << 15),		/* lex */
   DBG_16 = (1 << 16),
   DBG_17 = (1 << 17),
   DBG_18 = (1 << 18),
   DBG_19 = (1 << 19),
   DBG_20 = (1 << 20),
   DBG_21 = (1 << 21),
   DBG_22 = (1 << 22),
   DBG_23 = (1 << 23),
   DBG_24 = (1 << 24),
   DBG_25 = (1 << 25),
   DBG_26 = (1 << 26),
   DBG_27 = (1 << 27),
   DBG_28 = (1 << 28),
   DBG_29 = (1 << 29),
   DBG_30 = (1 << 30),
/*   DBG_31 = (1 << 31), is not an integer constant expression */
};

typedef int (*MsgFunc) (int type, const char *s);	/* display func proto */

typedef struct _MsgLogData MsgLogData;

/* struct _MsgLogData modved to msglog.c */

/*
 * external variables should be declared in main as global !
 */
extern int prog_debug;
extern MsgLogData *msglogp;	/* global pointeur to MsgLogData in main */


/*
 * macros used to print messages
 *   msg_dbg     : print a debug message normally used in development
 *   msg_info    : print an informationnal message
 *   msg_warning : print a warning message
 *   msg_error   : print a error message. Let the programmer to decide
 *   msg_fatal   : print a error message and exit
 *
 */

/*
 * Same macros with selective level or bit mask for debug
 *   msg_dbgl     : print a debug message normally used in development
 *                  a bit mask can be allocated to a part of the program.
 *   msg_infol    : print an informatonnal message
 *   msg_warningl : print a warning message
 *   msg_errorl   : print a error message. Let the programmer to decide
 *
 */


enum _msg_fmt_info {
   MSG_F_DATE = (1 << 0),
   MSG_F_PROG = (1 << 1),
   MSG_F_TYPE = (1 << 2),
   MSG_F_FILE = (1 << 3),
   MSG_F_FUNC = (1 << 4),
   MSG_F_FOLD = (1 << 5),
   MSG_F_COLOR = (1 << 6),
   MSG_F_SIGNAL = (1 << 7),	/* signal exit to parent */
   MSG_F_OVERWRITE = (1 << 8),	/* overwrite log file, default is append */
   MSG_F_NO_DATE = MSG_F_PROG | MSG_F_TYPE | MSG_F_FILE | MSG_F_FUNC,
   MSG_F_ALL =
       MSG_F_DATE | MSG_F_PROG | MSG_F_TYPE | MSG_F_FILE | MSG_F_FUNC,
};

enum _msg_type_info {
   MSG_T_DEBUG = 0,
   MSG_T_INFO,
   MSG_T_WARNING,
   MSG_T_ERROR,
   MSG_T_FATAL,
};


#ifdef MSG_DEBUG
#define msg_dbgl(msk, ...)  \
   if ( prog_debug ) { \
   private_message( msk, MSG_T_DEBUG, __func__, __FILE__, __LINE__, __VA_ARGS__) ;\
   }
#define msg_dbg(...)  \
   if ( prog_debug ) { \
   private_message( 1, MSG_T_DEBUG, __func__, __FILE__, __LINE__, __VA_ARGS__) ;\
   }
#define msg_set_dbg_msk(msk) \
    private_msg_set_dbg_msk(msk);
#define msg_get_dbg_msk() \
    (private_msg_get_dbg_msk())
#define msg_set_dbg_msk_str(str) \
    private_msg_set_dbg_msk_str(str);
#define msg_get_dbg_msk_str(str) \
    private_msg_get_dbg_msk_str(str);
#else
#define msg_dbgl(msk, ...)
#define msg_dbg(...)
#define msg_set_dbg_msk(msk)
#define msg_set_dbg_msk_str(str)
#define msg_get_dbg_msk_str(str)
#define msg_get_dbg_msk() (0)
#endif

#ifdef MSG_DUMP
#define msg_dump(buf, len, start, fd, ...) \
   private_msg_dump(1, buf, len, start, fd, __VA_ARGS__) ;
#define msg_dumpl(msk, buf, len, start, fd, ...) \
   private_msg_dump(msk, buf, len, start, fd, __VA_ARGS__) ;
#else
#define msg_dump(buf, len, start, fd,  ...)
#define msg_dumpl(msk, buf, len, start, fd, ...)
#endif

#define msg_info(...)  \
   private_message(1, MSG_T_INFO, __func__, __FILE__, __LINE__, __VA_ARGS__)

#define msg_infol(level, ...)  \
   private_message(level, MSG_T_INFO, __func__, __FILE__, __LINE__, __VA_ARGS__)

#define msg_warning(...)  \
   private_message(1, MSG_T_WARNING, __func__, __FILE__, __LINE__, __VA_ARGS__)

#define msg_warningl(level, ...)  \
   private_message(level, MSG_T_WARNING, __func__, __FILE__, __LINE__, __VA_ARGS__)

#define msg_error(...)  \
   private_message(1, MSG_T_ERROR, __func__, __FILE__, __LINE__, __VA_ARGS__)

#define msg_errorl(level, ...)  \
   private_message(level, MSG_T_ERROR, __func__, __FILE__, __LINE__, __VA_ARGS__)

/*
 *  exit(1) is here to avoid a compiler message when no return after a
 *   msg_fatal. Exit will call msg_atexit.
 */
#define msg_fatal(...)  \
   { private_message(0, MSG_T_FATAL, __func__, __FILE__, __LINE__, __VA_ARGS__ ); \
      exit(1);}

void private_msg_set_dbg_msk(int msk);
int private_msg_get_dbg_msk(void);
unsigned int private_msg_set_dbg_msk_str(char *p);
void private_msg_get_dbg_msk_str(char *p);
void private_msg_dump(int level, char *buf, int len, int start, FILE *fd,
                      char *fmt, ... );
void private_message(int level, int msgtype, const char *func,
		     char *file, int line, char *fmt, ...);

void msg_initlog(char *name, int flags, char *filename,
		 MsgFunc displayFunc);
void msg_set_func(MsgFunc displayFunc);
void msg_set_flags(int flags);
int msg_get_level(void);
void msg_set_level(int level);
unsigned int private_msg_set_dbg_msk_str(char *str);

FILE *msg_openlog(char *filename, char *mode);
FILE *msg_get_msg_fd(void);
void msg_set_dbg_fd(FILE * msg_fd );
void msg_closelog(void);
void msg_atexit(void);

void msg_set_facility(int facility);
int msg_get_facility(void);
void msg_set_logger_is_open(int is_open);
int msg_get_logger_is_open(void);

extern const char *msg_day_of_week[];
extern const char *msg_month_of_year[];

#endif				/* MSG_LOG_H */