#ifndef GNUTLS_MEM_H
# define GNUTLS_MEM_H

#ifdef USE_DMALLOC
# include <dmalloc.h>
#endif

typedef void svoid; /* for functions that allocate using gnutls_secure_malloc */

/* Use gnutls_afree() when calling alloca, or
 * memory leaks may occur in systems which do not
 * support alloca.
 */
#ifdef HAVE_ALLOCA
# define gnutls_alloca alloca
# define gnutls_afree(x)
#else
# define gnutls_alloca gnutls_malloc
# define gnutls_afree gnutls_free
#endif /* HAVE_ALLOCA */

typedef void* (*gnutls_alloc_function)(size_t);
typedef void (*gnutls_free_function)(void*);
typedef void* (*gnutls_realloc_function)(void*, size_t);

extern gnutls_alloc_function gnutls_secure_malloc;
extern gnutls_alloc_function gnutls_malloc;
extern gnutls_free_function gnutls_free;

extern int (*_gnutls_is_secure_memory)(const void*);
extern gnutls_realloc_function gnutls_realloc;

extern void* (*gnutls_calloc)(size_t, size_t);
extern char* (*gnutls_strdup)( const char*);

/* this realloc function will return ptr if size==0, and
 * will free the ptr if the new allocation failed.
 */
void* gnutls_realloc_fast( void* ptr, size_t size);

svoid* gnutls_secure_calloc( size_t nmemb, size_t size);
void* _gnutls_calloc( size_t nmemb, size_t size);

char* _gnutls_strdup( const char*);

#endif /* GNUTLS_MEM_H */