/*

    viDOOM - level editor for DOOM

    Copyright (C) 2000  Ian Cowburn (ianc@noddybox.demon.co.uk)

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    -------------------------------------------------------------------------

    Memory allocation

    $Id$

*/

#ifndef _MEM_H

#define _MEM_H

/* Notes: All these functions take debug information.  The versions actually
   used in the code are the #define's following the prototypes
*/


/* Grab len bytes of memory.  len==0 is valid.  Memory is zereod on allocation.
*/
void	*FGrab(char *file, int line, int len);


/* Given a pointer returned by Grab() and a new size reallocates it to a
   larger or smaller block.  The orignal contents are copied to the new
   block.  Passing an NULL for ptr makes this call the same as FGrab(len).
*/
void	*FReGrab(char *file, int line, void *ptr, int len);


/* Reserve len bytes and copy len bytes from p to the new memory.  len==0 is
   valid
*/
void	*FCopy(char *file, int line, void *p,int len);


/* Reserve space for the nul terminated string and copy the source there.
   Return is NULL if source is NULL
*/
char	*FStrdup(char *file, int line, char *s);


/* Release allocated memory
*/
void	FRelease(char *file, int line, void *p);



/* Actually use these
*/
#define Grab(n)		FGrab(__FILE__,__LINE__,(n))
#define ReGrab(p,n)	FReGrab(__FILE__,__LINE__,(p),(n))
#define Copy(p,n)	FCopy(__FILE__,__LINE__,(p),(n))
#define Strdup(p)	FStrdup(__FILE__,__LINE__,(p))
#define Release(p)	FRelease(__FILE__,__LINE__,(p))

#endif


/* END OF FILE */