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Changes from Yoo C. Chung. See ChangeLog Mar 29 00:43:18

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@2305 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
mccallum 1997-05-03 18:15:44 +00:00
parent 8587a2d6ee
commit e52800f26a
3 changed files with 25 additions and 12 deletions
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30
Source/NSZone.m
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@ -1,7 +1,7 @@
/* Zone memory management. -*- Mode: ObjC -*-
Copyright (C) 1997 Free Software Foundation, Inc.
Written by: Yoo C. Chung <wacko@power1.snu.ac.kr>
Written by: Yoo C. Chung <wacko@laplace.snu.ac.kr>
Date: January 1997
This file is part of the GNUstep Base Library.
@ -39,7 +39,8 @@
- The default zone uses objc_malloc() and friends. We assume that
they're thread safe and that they return NULL if we're out of
memory (they currently don't, unfortunately, so this is a FIXME).
We also need to prepend a zone pointer.
We also need to prepend a zone pointer. And because of this, we
need to waste even more space to satisfy alignment requirements.
- For freeable zones, a small linear buffer is used for
deallocating and allocating. Anything that can't go into the
@ -232,32 +233,39 @@ roundupto (size_t n, size_t base)
static void*
default_malloc (NSZone *zone, size_t size)
{
NSZone **mem;
void *mem;
NSZone **zoneptr;
mem = objc_malloc(ZPTRSZ+size);
mem = objc_malloc(ALIGN+size);
if (mem == NULL)
[NSException raise: NSMallocException
format: @"Default zone has run out of memory"];
*mem = zone;
return mem+1;
zoneptr = mem+(ALIGN-ZPTRSZ);
*zoneptr = zone;
return mem+ALIGN;
}
static void*
default_realloc (NSZone *zone, void *ptr, size_t size)
{
NSZone **mem = ptr-ZPTRSZ;
void **mem = ptr-ALIGN;
mem = objc_realloc(mem, size+ZPTRSZ);
if ((size != 0) && (mem == NULL))
if (size == 0)
{
objc_free(mem);
return NULL;
}
mem = objc_realloc(mem, size+ALIGN);
if (mem == NULL)
[NSException raise: NSMallocException
format: @"Default zone has run out of memory"];
return mem+1;
return mem+ALIGN;
}
static void
default_free (NSZone *zone, void *ptr)
{
objc_free(ptr-ZPTRSZ);
objc_free(ptr-ALIGN);
}
static void