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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1786 72102866-910b-0410-8b05-ffd578937521
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mccallum 1996-09-17 20:17:40 +00:00
parent af5d609f11
commit e8bfee10c4
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51
Headers/gnustep/base/objc-malloc.h
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@ -1,51 +0,0 @@
/* Memory allocation definitions for Objective-C, easy garbage collection.
Copyright (C) 1993,1994, 1996 Free Software Foundation, Inc.
Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
Date: May 1993
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __objc_malloc_h_GNUSTEP_BASE_INCLUDE
#define __objc_malloc_h_GNUSTEP_BASE_INCLUDE
/* I do this to make substituting Boehm's Garbage Collection easy. */
extern void *(*objc_malloc)(size_t);
extern void *(*objc_valloc)(size_t);
extern void *(*objc_atomic_malloc)(size_t);
extern void *(*objc_realloc)(void *, size_t);
extern void *(*objc_calloc)(size_t, size_t);
extern void (*objc_free)(void *);
#define OBJC_MALLOC(VAR, TYPE, NUM) \
((VAR) = (TYPE *) (*objc_malloc)((unsigned)(NUM)*sizeof(TYPE)))
#define OBJC_VALLOC(VAR, TYPE, NUM) \
((VAR) = (TYPE *) (*objc_valloc)((unsigned)(NUM)*sizeof(TYPE)))
#define OBJC_ATOMIC_MALLOC(VAR, TYPE, NUM) \
((VAR) = (TYPE *) (*objc_atomic_malloc)((unsigned)(NUM)*sizeof(TYPE)))
#define OBJC_REALLOC(VAR, TYPE, NUM) \
((VAR) = (TYPE *) (*objc_realloc)((VAR), (unsigned)(NUM)*sizeof(TYPE)))
#define OBJC_CALLOC(VAR, TYPE, NUM) \
((VAR) = (TYPE *) (*objc_calloc)((unsigned)(NUM), sizeof(TYPE)))
#define OBJC_FREE(PTR) (*objc_free)((PTR))
#ifdef __OBJC__
extern id MemoryExhaustedException;
#endif
#endif /* __objc_malloc_h_GNUSTEP_BASE_INCLUDE */

106
Source/objc-malloc.m
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/* Memory allocation support for Objective-C: easy garbage collection.
Copyright (C) 1993,1994, 1995, 1996 Free Software Foundation, Inc.
Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
Created: May 1993
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef __STDC__
#include <stddef.h>
#else
#define size_t unsigned long
#endif
#ifdef HAVE_VALLOC
#include <stdlib.h>
#else
#define valloc malloc
#endif
#include <Foundation/NSException.h>
#define CHECK_ZERO_SIZE(S) if (size == 0) size = 1
void*
__objc_malloc (size_t size)
{
void* res;
CHECK_ZERO_SIZE (size);
res = (void*) malloc(size);
if (!res)
[NSException raise: MemoryExhaustedException
format: @"Virtual memory exhausted"];
return res;
}
void*
__objc_valloc (size_t size)
{
void* res;
CHECK_ZERO_SIZE(size);
res = (void*) valloc(size);
if (!res)
[NSException raise: MemoryExhaustedException
format: @"Virtual memory exhausted"];
return res;
}
void*
__objc_realloc (void* mem, size_t size)
{
void* res;
CHECK_ZERO_SIZE(size);
res = (void*) realloc (mem, size);
if (!res)
[NSException raise: MemoryExhaustedException
format: @"Virtual memory exhausted"];
return res;
}
void*
__objc_calloc (size_t nelem, size_t size)
{
void* res;
CHECK_ZERO_SIZE(size);
res = (void*) calloc(nelem, size);
if (!res)
[NSException raise: MemoryExhaustedException
format: @"Virtual memory exhausted"];
return res;
}
void
__objc_free (void* mem)
{
free (mem);
}
/* We should put
*(void**)obj = 0xdeadface;
into object_dispose(); */
/* I do this to make substituting Boehm's Garbage Collector easy. */
void *(*objc_malloc)(size_t size) = __objc_malloc;
void *(*objc_valloc)(size_t size) = __objc_valloc;
void *(*objc_atomic_malloc)(size_t) = __objc_malloc;
void *(*objc_realloc)(void *optr, size_t size) = __objc_realloc;
void *(*objc_calloc)(size_t nelem, size_t size) = __objc_calloc;
void (*objc_free)(void *optr) = __objc_free;
NSString *MemoryExhaustedException = @"MemoryExhaustedException";