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/* heap.h --
* Created: Sun Aug 10 19:33:53 2003 by vle@gmx.net
* Copyright 2003 Aleksey Cheusov <vle@gmx.net>
* This program comes with ABSOLUTELY NO WARRANTY.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 1, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: heap.h,v 1.3 2004/03/18 19:55:18 cheusov Exp $
*
*/
/* create a heap. 'opts' MUST BE NULL at this time */
#ifndef DONOT_USE_INTERNAL_HEAP
extern int heap_create (void **heap, void *opts);
extern const char *heap_error (int err_code);
extern void heap_destroy (void **heap);
extern void * heap_alloc (void *heap, size_t size);
extern char * heap_strdup (void *heap, const char *s);
extern void heap_free (void *heap, void *p);
extern void * heap_realloc (void *heap, void *p, size_t size);
extern int heap_isempty (void *heap);
#else
#define heap_create(heap, opts) (0);
#define heap_error(err_code) (NULL)
#define heap_destroy(heap) (0)
#define heap_alloc(heap, size) (xmalloc (size))
#define heap_strdup(heap, s) (xstrdup (s))
#define heap_free(heap, p) (p ? xfree (p), NULL : NULL)
#define heap_realloc(heap, p, size) (realloc (p, size))
#define heap_isempty(heap) (1)
#endif
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