зеркало из https://github.com/mozilla/gecko-dev.git
189 строки
6.3 KiB
C
189 строки
6.3 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
/*-----------------------------------------------------------------------------
|
|
coremem.h - used to be xp_mem.h
|
|
|
|
Cross-Platform Memory API
|
|
-----------------------------------------------------------------------------*/
|
|
|
|
|
|
#ifndef _coremem_h_
|
|
#define _coremem_h_
|
|
|
|
#include "platform.h"
|
|
|
|
#ifdef XP_WIN16
|
|
#include <malloc.h>
|
|
#endif
|
|
|
|
/* global free routine */
|
|
#define XP_FREEIF(obj) do { if(obj) XP_FREE(obj); } while(0)
|
|
|
|
/*-----------------------------------------------------------------------------
|
|
Allocating Structures
|
|
-----------------------------------------------------------------------------*/
|
|
|
|
#define XP_NEW( x ) (x*)malloc( sizeof( x ) )
|
|
#define XP_DELETE( p ) free( p )
|
|
|
|
|
|
|
|
#ifdef XP_WIN16
|
|
|
|
XP_BEGIN_PROTOS
|
|
extern void * WIN16_realloc(void * ptr, unsigned long size);
|
|
extern void * WIN16_malloc(unsigned long size);
|
|
XP_END_PROTOS
|
|
|
|
#define XP_REALLOC(ptr, size) WIN16_realloc(ptr, size)
|
|
#define XP_ALLOC(size) WIN16_malloc(size)
|
|
#else
|
|
|
|
#if defined(DEBUG) && defined(MOZILLA_CLIENT)
|
|
/* Check that we never allocate anything greater than 64K. If we ever tried,
|
|
Win16 would choke, and we'd like to find out about it on some other platform
|
|
(like, one where we have a working debugger). */
|
|
/* This code used to call abort. Unfortunately, on Windows, abort() doesn't
|
|
* go to the debugger. Instead, it silently quits the program.
|
|
* So use XP_ASSERT(FALSE) instead.
|
|
*/
|
|
|
|
#define XP_CHECK_ALLOC_SIZE(size) ((size) <= 0xFFFF ? size : (XP_ASSERT(FALSE), (size)))
|
|
#else
|
|
#define XP_CHECK_ALLOC_SIZE(size) size
|
|
#endif
|
|
|
|
#define XP_REALLOC(ptr, size) realloc(ptr, XP_CHECK_ALLOC_SIZE(size))
|
|
#define XP_ALLOC(size) malloc(XP_CHECK_ALLOC_SIZE(size))
|
|
#endif
|
|
|
|
|
|
#ifdef DEBUG
|
|
#define XP_CALLOC(num, sz) (((num)*(sz))<64000 ? calloc((num),(sz)) : (XP_ASSERT(FALSE), calloc((num),(sz))))
|
|
#else
|
|
#define XP_CALLOC(num, sz) calloc((num), (sz))
|
|
#endif
|
|
|
|
#define XP_FREE(ptr) free(ptr)
|
|
#define XP_NEW_ZAP(TYPE) ( (TYPE*) calloc (1, sizeof (TYPE) ) )
|
|
|
|
|
|
/* --------------------------------------------------------------------------
|
|
16-bit windows requires space allocated bigger than 32K to be of
|
|
type huge. For example:
|
|
|
|
int HUGE * foo = halloc(100000);
|
|
-----------------------------------------------------------------------------*/
|
|
|
|
/* There's no huge realloc because win16 doesn't have a hrealloc,
|
|
* and there's no API to discover the original buffer's size.
|
|
*/
|
|
#ifdef XP_WIN16
|
|
#define XP_HUGE __huge
|
|
#define XP_HUGE_ALLOC(SIZE) halloc(SIZE,1)
|
|
#define XP_HUGE_FREE(SIZE) hfree(SIZE)
|
|
#define XP_HUGE_MEMCPY(DEST, SOURCE, LEN) hmemcpy(DEST, SOURCE, LEN)
|
|
#else
|
|
#define XP_HUGE
|
|
#define XP_HUGE_ALLOC(SIZE) malloc(SIZE)
|
|
#define XP_HUGE_FREE(SIZE) free(SIZE)
|
|
#define XP_HUGE_MEMCPY(DEST, SOURCE, LEN) memcpy(DEST, SOURCE, LEN)
|
|
#endif
|
|
|
|
#define XP_HUGE_CHAR_PTR char XP_HUGE *
|
|
|
|
/*-----------------------------------------------------------------------------
|
|
Allocating Large Buffers
|
|
NOTE: this does not interchange with XP_ALLOC/XP_NEW/XP_FREE/XP_DELETE
|
|
-----------------------------------------------------------------------------*/
|
|
|
|
#if defined(XP_UNIX) || defined(XP_WIN32) || defined(XP_MAC)
|
|
|
|
/* don't typedef this to void* unless you want obscure bugs... */
|
|
typedef unsigned long * XP_Block;
|
|
|
|
#define XP_ALLOC_BLOCK(SIZE) malloc ((SIZE))
|
|
#define XP_FREE_BLOCK(BLOCK) free ((BLOCK))
|
|
#ifdef XP_UNIXu
|
|
/* On SunOS, realloc(0,n) ==> 0 */
|
|
# define XP_REALLOC_BLOCK(BLOCK,SIZE) ((BLOCK) \
|
|
? realloc ((BLOCK), (SIZE)) \
|
|
: malloc ((SIZE)))
|
|
#else /* !XP_UNIX */
|
|
# define XP_REALLOC_BLOCK(BLOCK,SIZE) realloc ((BLOCK), (SIZE))
|
|
#endif /* !XP_UNIX */
|
|
#define XP_LOCK_BLOCK(PTR,TYPE,BLOCK) PTR = ((TYPE) (BLOCK))
|
|
#ifdef DEBUG
|
|
#define XP_UNLOCK_BLOCK(BLOCK) (void)BLOCK
|
|
#else
|
|
#define XP_UNLOCK_BLOCK(BLOCK)
|
|
#endif
|
|
#endif /* XP_UNIX || XP_WIN32 */
|
|
|
|
#ifdef XP_WIN16
|
|
|
|
typedef unsigned char * XP_Block;
|
|
#define XP_ALLOC_BLOCK(SIZE) WIN16_malloc((SIZE))
|
|
#define XP_FREE_BLOCK(BLOCK) free ((BLOCK))
|
|
#define XP_REALLOC_BLOCK(BLOCK,SIZE) ((BLOCK) \
|
|
? WIN16_realloc ((BLOCK), (SIZE)) \
|
|
: WIN16_malloc ((SIZE)))
|
|
#define XP_LOCK_BLOCK(PTR,TYPE,BLOCK) PTR = ((TYPE) (BLOCK))
|
|
#ifdef DEBUG
|
|
#define XP_UNLOCK_BLOCK(BLOCK) (void)BLOCK
|
|
#else
|
|
#define XP_UNLOCK_BLOCK(BLOCK)
|
|
#endif
|
|
|
|
|
|
#endif /* XP_WIN16 */
|
|
|
|
|
|
|
|
#define PA_Block XP_Block
|
|
#define PA_ALLOC(S) XP_ALLOC_BLOCK(S)
|
|
#define PA_FREE(B) XP_FREE_BLOCK(B)
|
|
#define PA_REALLOC(B,S) XP_REALLOC_BLOCK(B,S)
|
|
#define PA_LOCK(P,T,B) XP_LOCK_BLOCK(P,T,B)
|
|
#define PA_UNLOCK(B) XP_UNLOCK_BLOCK(B)
|
|
|
|
#endif /* _coremem_h_ */
|
|
|
|
|