debug.h

// This file is a part of Neo6502-Kermit.
// See LICENSE for the licensing details.

#include "cdefs.h"

#ifndef NODEBUG /* NODEBUG inhibits debugging */
#ifndef DEBUG   /* and if DEBUG not already defined */
#ifndef MINSIZE /* MINSIZE inhibits debugging */
#ifndef DEBUG
#define DEBUG
#endif /* DEBUG */
#endif /* MINSIZE */
#endif /* DEBUG */
#endif /* NODEBUG */

#ifdef DEBUG /* Debugging included... */
/* dodebug() function codes... */
#define DB_OPN 1 /* Open log */
#define DB_LOG 2 /* Write label+string or int to log */
#define DB_MSG 3 /* Write message to log */
#define DB_CHR 4 /* Write label + char to log */
#define DB_PKT 5 /* Record a Kermit packet in log */
#define DB_CLS 6 /* Close log */

void dodebug(int, UCHAR*, UCHAR*, long); /* Prototype */
/*
  dodebug() is accessed throug a macro that:
   . Coerces its args to the required types.
   . Accesses dodebug() directly or thru a pointer according to context.
   . Makes it disappear entirely if DEBUG not defined.
*/
#ifdef KERMIT_C
/* In kermit.c we debug only through a function pointer */
#define debug(a, b, c, d) \
    if (*(k->dbf))        \
    (*(k->dbf))(a, (UCHAR*)b, (UCHAR*)c, (long)(d))

#else /* KERMIT_C */
/* Elsewhere we can call the debug function directly */
#define debug(a, b, c, d) dodebug(a, (UCHAR*)b, (UCHAR*)c, (long)(d))
#endif /* KERMIT_C */

#else /* Debugging not included... */

#define debug(a, b, c, d)
#endif /* DEBUG */