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c17c596b2e
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@621 72102866-910b-0410-8b05-ffd578937521
98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
/* Memory allocation support for Objective-C: easy garbage collection.
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Copyright (C) 1993,1994, 1995 Free Software Foundation, Inc.
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Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
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Date: May 1993
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This file is part of the GNU Objective C Class Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef __STDC__
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#include <stddef.h>
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#else
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#define size_t unsigned long
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#endif
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#ifdef HAVE_VALLOC
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#include <stdlib.h>
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#else
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#define valloc malloc
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#endif
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#define CHECK_ZERO_SIZE(S) if (size == 0) size = 1
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void*
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__objc_malloc(size_t size)
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{
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void* res;
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CHECK_ZERO_SIZE(size);
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res = (void*) malloc(size);
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if(!res)
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objc_fatal("Virtual memory exhausted\n");
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return res;
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}
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void*
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__objc_valloc(size_t size)
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{
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void* res;
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CHECK_ZERO_SIZE(size);
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res = (void*) valloc(size);
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if(!res)
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objc_fatal("Virtual memory exhausted\n");
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return res;
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}
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void*
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__objc_realloc(void* mem, size_t size)
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{
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void* res;
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CHECK_ZERO_SIZE(size);
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res = (void*) realloc(mem, size);
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if(!res)
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objc_fatal("Virtual memory exhausted\n");
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return res;
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}
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void*
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__objc_calloc(size_t nelem, size_t size)
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{
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void* res;
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CHECK_ZERO_SIZE(size);
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res = (void*) calloc(nelem, size);
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if(!res)
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objc_fatal("Virtual memory exhausted\n");
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return res;
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}
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void
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__objc_free (void* mem)
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{
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free(mem);
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}
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/* We should put
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*(void**)obj = 0xdeadface;
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into object_dispose(); */
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/* I do this to make substituting Boehm's Garbage Collector easy. */
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void *(*objc_malloc)(size_t size) = __objc_malloc;
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void *(*objc_valloc)(size_t size) = __objc_valloc;
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void *(*objc_atomic_malloc)(size_t) = __objc_malloc;
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void *(*objc_realloc)(void *optr, size_t size) = __objc_realloc;
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void *(*objc_calloc)(size_t nelem, size_t size) = __objc_calloc;
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void (*objc_free)(void *optr) = __objc_free;
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