/*

    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 code

*/
static const char rcs_id[]="$Id$";

#include "config.h"

#include <stdio.h>
#include <string.h>

#include "mem.h"
#include "gfx.h"

void *FGrab(char *fn, int line, int len)
{
    char *ptr;

    if (len==0)
        len=1;

    if (!(ptr=malloc(len)))
	GFX_exit(EXIT_FAILURE,"Memory allocation failed!\n"
			"%s:%d Grab(%d)\n",fn,line,len);

    memset(ptr,0,len);

    return ptr;
}


void *FReGrab(char *fn, int line, void *ptr, int len)
{
    if (len==0)
        len=1;

    if (!(ptr=realloc(ptr,len)))
	GFX_exit(EXIT_FAILURE,"Memory allocation failed!\n"
			"%s:%d ReGrab(%d)\n",fn,line,len);

    return ptr;
}


void FRelease(char *fn, int line, void *p)
{
    free(p);
}


void *FCopy(char *fn, int line, void *p,int len)
{
    void *ptr;

    if (len==0)
	ptr=malloc(1);
    else
	ptr=malloc(len);

    if (!ptr)
	GFX_exit(EXIT_FAILURE,"Memory allocation failed!\n"
			"%s:%d Copy(%p,%d)\n",fn,line,p,len);

    if (len)
	memcpy(ptr,p,len);

    return ptr;
}


char *FStrdup(char *fn, int line, char *p)
{
    char n_fn[PATH_MAX];
    char *ptr;

    if (!p)
    	return NULL;

    if (!(ptr=strdup(p)))
	GFX_exit(EXIT_FAILURE,"Memory allocation failed!\n"
			"%s:%d Stdup(%s)\n",fn,line,p);

    return ptr;
}

/* END OF FILE */