/* Miscellaneous macros and variables. */

#ifndef _misc_
#define _misc_


#include "config.h"

/* Standard definitions */

#ifdef __STDC__
#include <stddef.h>
#include <stdlib.h>
#endif

/* Function prototypes */

#ifdef __STDC__
#define P(x) x
#else
#define P(x) ()
#endif

/* Basic types and constants */

#ifdef __STDC__
typedef size_t asize_t;
#else
typedef int asize_t;
#endif

#ifndef NULL
#define NULL 0
#endif

typedef char * addr;

/* Volatile stuff */

#ifdef __STDC__
#define Volatile volatile
#else
#define Volatile
#endif

#ifdef __GNUC__
/* Works only in GCC 2.5 and later */
#define Noreturn __attribute ((noreturn))
#else
#define Noreturn
#endif

/* Assertions */

#ifdef DEBUG
#ifdef __STDC__
#define Assert(x) if (!(x)) failed_assert ( #x , __FILE__, __LINE__)
#else
#ifndef __LINE__
#define __LINE__ 0
#endif
#ifndef __FILE__
#define __FILE__ "(?)"
#endif
#define Assert(x) if (!(x)) failed_assert ("(?)" , __FILE__, __LINE__)
#endif
#else
#define Assert(x)
#endif

void failed_assert P((char *, char *, int)) Noreturn;
void fatal_error P((char *)) Noreturn;
void fatal_error_arg P((char *, char *)) Noreturn;

/* GC flags and messages */

extern int verb_gc;
extern int Volatile something_to_do;
extern int Volatile force_minor_flag;

void force_minor_gc P((void));
void gc_message P((char *, unsigned long));

/* Memory routines */

void memmov P((char *, char *, unsigned long));
char * aligned_malloc P((asize_t, int));
unsigned long not_random P((void));

#endif /* _misc_ */