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/*
* mem.h
*
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* 2003 Bastian Blank <waldi@debian.org>
*
* 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 2 of the License, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id: mem.h 29603 2005-07-31 16:10:46Z cjwatson $
*/
#ifndef DEBIAN_INSTALLER__MEM_H
#define DEBIAN_INSTALLER__MEM_H
#include <debian-installer/types.h>
#include <stdio.h>
/**
* @addtogroup di_mem
* @{
*/
/**
* Allocate memory
*
* @param n_bytes size in bytes
*
* @post never returns NULL
*/
void *di_malloc (size_t n_bytes) __attribute__ ((malloc));
/**
* Allocate cleared memory
*
* @param n_bytes size in bytes
*
* @post never returns NULL
*/
void *di_malloc0 (size_t n_bytes) __attribute__ ((malloc));
/**
* Reallocate memory
*
* @param mem memory
* @param n_bytes size in bytes
*
* @post never returns NULL
*/
void *di_realloc (void *mem, size_t n_bytes) __attribute__ ((malloc));
/**
* Free memory
*
* @param mem memory
*/
void di_free (void *mem);
/**
* @param struct_type returned type
* @param n_structs number of returned structs
*/
#define di_new(struct_type, n_structs) \
((struct_type *) di_malloc (sizeof (struct_type) * (n_structs)))
/**
* @param struct_type returned type
* @param n_structs number of returned structs
*/
#define di_new0(struct_type, n_structs) \
((struct_type *) di_malloc0 (sizeof (struct_type) * (n_structs)))
/**
* @param struct_type returned type
* @param mem current memory pointer
* @param n_structs number of returned structs
*/
#define di_renew(struct_type, mem, n_structs) \
((struct_type *) di_realloc ((mem), sizeof (struct_type) * (n_structs)))
/** @} */
#endif
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