205 lines
5.7 KiB
C
205 lines
5.7 KiB
C
/*
|
|
* ++Copyright++ 1985, 1989
|
|
* -
|
|
* Copyright (c) 1985, 1989
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
* -
|
|
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies, and that
|
|
* the name of Digital Equipment Corporation not be used in advertising or
|
|
* publicity pertaining to distribution of the document or software without
|
|
* specific, written prior permission.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
|
|
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
|
|
* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
|
|
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
|
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
|
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|
* SOFTWARE.
|
|
* -
|
|
* --Copyright--
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <syslog.h>
|
|
|
|
#include "portability.h"
|
|
#include "options.h"
|
|
extern void panic __P((int, const char *));
|
|
|
|
#ifdef DSTORAGE
|
|
/*
|
|
* S T O R A G E . C
|
|
*
|
|
* Ray Tracing program, storage manager.
|
|
*
|
|
* Functions -
|
|
* rt_malloc Allocate storage, with visibility & checking
|
|
* rt_free Similarly, free storage
|
|
* rt_prmem When debugging, print memory map
|
|
* calloc, cfree Which call rt_malloc, rt_free
|
|
*
|
|
* Author -
|
|
* Michael John Muuss
|
|
*
|
|
* Source -
|
|
* SECAD/VLD Computing Consortium, Bldg 394
|
|
* The U. S. Army Ballistic Research Laboratory
|
|
* Aberdeen Proving Ground, Maryland 21005-5066
|
|
*
|
|
* Copyright Notice -
|
|
* This software is Copyright (C) 1987 by the United States Army.
|
|
* All rights reserved.
|
|
*/
|
|
#ifndef lint
|
|
static char RCSid[] = "$Id: storage.c,v 1.3 1995/05/30 03:49:05 rgrimes Exp $";
|
|
#endif
|
|
|
|
#undef malloc
|
|
#undef free
|
|
|
|
#define MDB_SIZE 20000
|
|
#define MDB_MAGIC 0x12348969
|
|
struct memdebug {
|
|
char *mdb_addr;
|
|
char *mdb_str;
|
|
int mdb_len;
|
|
} rt_mdb[MDB_SIZE];
|
|
|
|
/*
|
|
* R T _ M A L L O C
|
|
*/
|
|
char *
|
|
rt_malloc(cnt)
|
|
unsigned int cnt;
|
|
{
|
|
register char *ptr;
|
|
|
|
cnt = (cnt+2*sizeof(int)-1)&(~(sizeof(int)-1));
|
|
ptr = malloc(cnt);
|
|
|
|
if( ptr==(char *)0 ) {
|
|
panic(errno, "rt_malloc: malloc failure");
|
|
} else {
|
|
register struct memdebug *mp = rt_mdb;
|
|
for( ; mp < &rt_mdb[MDB_SIZE]; mp++ ) {
|
|
if( mp->mdb_len > 0 ) continue;
|
|
mp->mdb_addr = ptr;
|
|
mp->mdb_len = cnt;
|
|
mp->mdb_str = "???";
|
|
goto ok;
|
|
}
|
|
syslog(LOG_ERR, "rt_malloc: memdebug overflow\n");
|
|
}
|
|
ok: ;
|
|
{
|
|
register int *ip = (int *)(ptr+cnt-sizeof(int));
|
|
*ip = MDB_MAGIC;
|
|
}
|
|
return(ptr);
|
|
}
|
|
|
|
/*
|
|
* R T _ F R E E
|
|
*/
|
|
void
|
|
rt_free(ptr)
|
|
char *ptr;
|
|
{
|
|
register struct memdebug *mp = rt_mdb;
|
|
for( ; mp < &rt_mdb[MDB_SIZE]; mp++ ) {
|
|
if( mp->mdb_len <= 0 ) continue;
|
|
if( mp->mdb_addr != ptr ) continue;
|
|
{
|
|
register int *ip = (int *)(ptr+mp->mdb_len-sizeof(int));
|
|
if( *ip != MDB_MAGIC )
|
|
panic(-1, "rt_free: corrupt magic");
|
|
}
|
|
mp->mdb_len = 0; /* successful free */
|
|
goto ok;
|
|
}
|
|
panic(-1, "rt_free: bad pointer");
|
|
ok:
|
|
*((int *)ptr) = -1; /* zappo! */
|
|
free(ptr);
|
|
}
|
|
|
|
/*
|
|
* R T _ P R M E M
|
|
*
|
|
* Print map of memory currently in use.
|
|
*/
|
|
void
|
|
rt_prmem(str)
|
|
char *str;
|
|
{
|
|
register struct memdebug *mp = rt_mdb;
|
|
register int *ip;
|
|
|
|
printf("\nRT memory use\t\t%s\n", str);
|
|
for( ; mp < &rt_mdb[MDB_SIZE]; mp++ ) {
|
|
if( mp->mdb_len <= 0 ) continue;
|
|
ip = (int *)(mp->mdb_addr+mp->mdb_len-sizeof(int));
|
|
printf("%7x %5x %s %s\n",
|
|
mp->mdb_addr, mp->mdb_len, mp->mdb_str,
|
|
*ip!=MDB_MAGIC ? "-BAD-" : "" );
|
|
if( *ip != MDB_MAGIC )
|
|
printf("\t%x\t%x\n", *ip, MDB_MAGIC);
|
|
}
|
|
}
|
|
|
|
char *
|
|
calloc(num, size)
|
|
register unsigned num, size;
|
|
{
|
|
register char *p;
|
|
|
|
size *= num;
|
|
if (p = rt_malloc(size))
|
|
bzero(p, size);
|
|
return (p);
|
|
}
|
|
|
|
cfree(p, num, size)
|
|
char *p;
|
|
unsigned num;
|
|
unsigned size;
|
|
{
|
|
rt_free(p);
|
|
}
|
|
|
|
#endif /*DSTORAGE*/
|