edt_error.h

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#ifndef _edt_msg_H
#define _edt_msg_H

#include <stdarg.h>
#include <stdio.h>

#include "edtdef.h" /* this is where _NT_ would be defined */

/*
 * define EDTAPI here instead of using EDTAPI which is in libedt.h;
 * this way we avoid needing to include libedt.h here. 
 */

#ifndef EDTAPI

#ifdef _NT_

#define EDTAPI __declspec(dllexport)

#else

#define EDTAPI

#endif

#endif

typedef int (*EdtMsgFunction)(void *target, int level, char *message);

typedef struct _edt_msg_handler {

  EdtMsgFunction func; 
  int level;
  FILE * file; 
  unsigned char own_file; 
  void * target;

} EdtMsgHandler;



/* default initialization - uses stdout and stderr */

EDTAPI void edt_msg_init(EdtMsgHandler *msg_p);

EDTAPI void edt_msg_init_names(EdtMsgHandler *msg_p, char *file, int level);

EDTAPI void edt_msg_init_files(EdtMsgHandler *msg_p, FILE *file, int level);

EDTAPI void edt_msg_close(EdtMsgHandler *msg_p);

EDTAPI void edt_msg_set_level(EdtMsgHandler *msg_p, int newlevel);

EDTAPI int edt_msg_get_level(EdtMsgHandler *msg_p);

EDTAPI void edt_msg_add_level(EdtMsgHandler *msg_p, int level);

EDTAPI void edt_msg_set_function(EdtMsgHandler *msg_p, EdtMsgFunction f);

EDTAPI void edt_msg_set_file(EdtMsgHandler *msg_p, FILE *f);

EDTAPI void edt_msg_set_target(EdtMsgHandler *msg_p, void *t);

/* Sets the file to that named in the argument f */
EDTAPI void edt_msg_set_name(EdtMsgHandler *msg_p, char *f);

EDTAPI int edt_msg(int level, char *format, ...);
EDTAPI int edt_msg_output(EdtMsgHandler *msg_p, int level, char *format, ...);

EDTAPI int edt_msg_perror(int level, char *msg);
EDTAPI int edt_msg_output_perror(EdtMsgHandler *msg_p, int level, char *message);
EDTAPI int edt_msg_printf_perror(int level, char *format, ...);
EDTAPI int edt_msg_output_printf_perror(EdtMsgHandler *msg_p,  int level, char *format, ...);


EDTAPI EdtMsgHandler *edt_msg_default_handle(void);
EDTAPI int edt_msg_default_level(void);
EDTAPI char *edt_msg_last_error(void); /* returns pointer to most recent 
                                      msg string */

EDTAPI void edt_set_verbosity(int verbose); /* simple verbose level setting */


EDTAPI int lvl_printf(int delta, char *format, ...);

/*
 * predefined message flags. EDTAPP_MSG are for general purpose application
 * use EDTLIB_MSG are for libedt messages. PDVLIB are for libpdv messages.
 * Application programmers can define other flags in the 0x1000 to
 * 0x1000000 range
 */

#define EDTAPP_MSG_FATAL        0x1

#define EDTAPP_MSG_WARNING      0x2

#define EDTAPP_MSG_INFO_1       0x4

#define EDTAPP_MSG_INFO_2       0x8


#define EDTLIB_MSG_FATAL        0x10

#define EDTLIB_MSG_WARNING      0x20

#define EDTLIB_MSG_INFO_1       0x40

#define EDTLIB_MSG_INFO_2       0x80



#define PDVLIB_MSG_FATAL        0x100 

#define PDVLIB_MSG_WARNING      0x200

#define PDVLIB_MSG_INFO_1       0x400

#define PDVLIB_MSG_INFO_2       0x800

#define EDT_MSG_FATAL \
        EDTAPP_MSG_FATAL | EDTLIB_MSG_FATAL | PDVLIB_MSG_FATAL

#define EDT_MSG_WARNING \
        EDTAPP_MSG_WARNING | EDTLIB_MSG_WARNING | PDVLIB_MSG_WARNING

#define EDT_MSG_INFO_1 \
        EDTAPP_MSG_INFO_1 | EDTLIB_MSG_INFO_1 | PDVLIB_MSG_INFO_1

#define EDT_MSG_INFO_2 \
        EDTAPP_MSG_INFO_2 | EDTLIB_MSG_INFO_2 | PDVLIB_MSG_INFO_2


#define edt_msg_add_default_level(addlevel) \
    edt_msg_set_level(edt_msg_default_handle(), edt_msg_default_level() | addlevel)

 /* end group msg */

#endif

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