/* @@@HEAD@@@
// Function prototypes for memory management.
*/

#ifndef MEMORY_H
#define MEMORY_H

typedef struct pile Pile;

#include <sys/types.h>
#include <stdlib.h>
#include <string.h>

void * emalloc(size_t size);
void * erealloc(void *ptr, size_t size);
void * tmalloc(size_t size);
void   tfree(void *ptr, size_t size);
void * trealloc(void *ptr, size_t oldsize, size_t newsize);
char * tstrdup(char *s);
char * tstrndup(char *s, int len);
void   tfree_chars(char *s);
Pile * new_pile(void);
void * pmalloc(Pile *pile, size_t size);
void  pfree(Pile *pile);
inline void efree(void * block);

/* #define efree(what) { free(what); } */

#define EMALLOC(type, num)	 ((type *) emalloc((num) * sizeof(type)))
#define EREALLOC(ptr, type, num) ((type *) erealloc(ptr, (num) * sizeof(type)))
#define TMALLOC(type, num)	 ((type *) tmalloc((num) * sizeof(type)))
#define TFREE(ptr, num)		 tfree(ptr, (num) * sizeof(*(ptr)))
#define TREALLOC(ptr, type, old, new) \
    ((type *) trealloc(ptr, (old) * sizeof(*(ptr)), (new) * sizeof(type)))
#define PMALLOC(pile, type, num) ((type *) pmalloc(pile, (num) * sizeof(type)))

#define MEMCPY(a, b, l)		memcpy(a, b, (l) * sizeof(*(a)))

#ifndef HAVE_MEMMOVE

#define MEMMOVE(a, b, l)	bcopy(b, a, (l) * sizeof(*(a)))
#define MEMCMP(a, b, l)		bcmp(a, b, (l) * sizeof(*(a)))

#else

#define MEMMOVE(a, b, l)	memmove(a, b, (l) * sizeof(*(a)))
#define MEMCMP(a, b, l)		memcmp(a, b, (l) * sizeof(*(a)))

#endif

#endif