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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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 of 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 ***** */
/*
* Simple arena allocator for xpt (which avoids using NSPR).
*/
#ifndef __xpt_arena_h__
#define __xpt_arena_h__
#include "prtypes.h"
#include <stdlib.h>
#ifdef VBOX_WITH_XPCOM_NAMESPACE_CLEANUP
#define XPT_NewArena VBoxNsxpXPT_NewArena
#define XPT_ArenaMalloc VBoxNsxpXPT_ArenaMalloc
#define XPT_DestroyArena VBoxNsxpXPT_DestroyArena
#define XPT_ArenaFree VBoxNsxpXPT_ArenaFree
#define XPT_DestroyArena VBoxNsxpXPT_DestroyArena
#define XPT_DumpStats VBoxNsxpXPT_DumpStats
#define XPT_NotifyDoneLoading VBoxNsxpXPT_NotifyDoneLoading
#define XPT_ArenaStrDup VBoxNsxpXPT_ArenaStrDup
#define XPT_AssertFailed VBoxNsxpXPT_AssertFailed
#endif /* VBOX_WITH_XPCOM_NAMESPACE_CLEANUP */
/*
* The linkage of XPT API functions differs depending on whether the file is
* used within the XPT library or not. Any source file within the XPT
* library should define EXPORT_XPT_API whereas any client of the library
* should not.
*/
#ifdef EXPORT_XPT_API
#define XPT_PUBLIC_API(t) PR_IMPLEMENT(t)
#define XPT_PUBLIC_DATA(t) PR_IMPLEMENT_DATA(t)
#else
#ifdef _WIN32
# define XPT_PUBLIC_API(t) __declspec(dllimport) t
# define XPT_PUBLIC_DATA(t) __declspec(dllimport) t
#else
# define XPT_PUBLIC_API(t) PR_IMPLEMENT(t)
# define XPT_PUBLIC_DATA(t) t
#endif
#endif
#define XPT_FRIEND_API(t) XPT_PUBLIC_API(t)
#define XPT_FRIEND_DATA(t) XPT_PUBLIC_DATA(t)
PR_BEGIN_EXTERN_C
/*
* Simple Arena support. Use with caution!
*/
typedef struct XPTArena XPTArena;
XPT_PUBLIC_API(XPTArena *)
XPT_NewArena(PRUint32 block_size, size_t alignment, const char* name);
XPT_PUBLIC_API(void)
XPT_DestroyArena(XPTArena *arena);
XPT_PUBLIC_API(void)
XPT_DumpStats(XPTArena *arena);
XPT_PUBLIC_API(void *)
XPT_ArenaMalloc(XPTArena *arena, size_t size);
XPT_PUBLIC_API(char *)
XPT_ArenaStrDup(XPTArena *arena, const char * s);
XPT_PUBLIC_API(void)
XPT_NotifyDoneLoading(XPTArena *arena);
XPT_PUBLIC_API(void)
XPT_ArenaFree(XPTArena *arena, void* block);
/* --------------------------------------------------------- */
#define XPT_MALLOC(_arena, _bytes) \
XPT_ArenaMalloc((_arena), (_bytes))
#ifdef DEBUG
#define XPT_FREE(_arena, _ptr) \
XPT_ArenaFree((_arena), (_ptr))
#else
#define XPT_FREE(_arena, _ptr) \
((void)0)
#endif
#define XPT_STRDUP(_arena, _s) \
XPT_ArenaStrDup((_arena), (_s))
#define XPT_CALLOC(_arena, _size) XPT_MALLOC((_arena), (_size))
#define XPT_NEW(_arena, _struct) ((_struct *) XPT_MALLOC((_arena), sizeof(_struct)))
#define XPT_NEWZAP(_arena, _struct) XPT_NEW((_arena), _struct)
#define XPT_DELETE(_arena, _ptr) do{XPT_FREE((_arena), (_ptr)); ((_ptr)) = NULL;}while(0)
#define XPT_FREEIF(_arena, _ptr) do{if ((_ptr)) XPT_FREE((_arena), (_ptr));}while(0)
/* --------------------------------------------------------- */
#ifdef DEBUG
XPT_PUBLIC_API(void)
XPT_AssertFailed(const char *s, const char *file, PRUint32 lineno);
#define XPT_ASSERT(_expr) \
((_expr)?((void)0):XPT_AssertFailed(# _expr, __FILE__, __LINE__))
#else
#define XPT_ASSERT(_expr) ((void)0)
#endif
PR_END_EXTERN_C
#endif /* __xpt_arena_h__ */
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