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100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Simple arena allocator for xpt (which avoids using NSPR).
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*/
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#ifndef __xpt_arena_h__
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#define __xpt_arena_h__
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#include "prtypes.h"
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#include <stdlib.h>
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#include "mozilla/Attributes.h"
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#include "mozilla/MemoryReporting.h"
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#include <stdint.h>
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/*
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* The XPT library is statically linked: no functions are exported from
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* shared libraries.
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*/
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#define XPT_PUBLIC_API(t) t
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#define XPT_PUBLIC_DATA(t) t
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Simple Arena support. Use with caution!
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*/
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typedef struct XPTArena XPTArena;
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XPT_PUBLIC_API(XPTArena *)
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XPT_NewArena(uint32_t block_size, size_t alignment, const char* name);
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XPT_PUBLIC_API(void)
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XPT_DestroyArena(XPTArena *arena);
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XPT_PUBLIC_API(void)
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XPT_DumpStats(XPTArena *arena);
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XPT_PUBLIC_API(void *)
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XPT_ArenaMalloc(XPTArena *arena, size_t size);
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XPT_PUBLIC_API(char *)
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XPT_ArenaStrDup(XPTArena *arena, const char * s);
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XPT_PUBLIC_API(void)
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XPT_NotifyDoneLoading(XPTArena *arena);
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XPT_PUBLIC_API(void)
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XPT_ArenaFree(XPTArena *arena, void* block);
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XPT_PUBLIC_API(size_t)
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XPT_SizeOfArena(XPTArena *arena, MozMallocSizeOf mallocSizeOf);
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/* --------------------------------------------------------- */
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#define XPT_MALLOC(_arena, _bytes) \
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XPT_ArenaMalloc((_arena), (_bytes))
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#ifdef DEBUG
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#define XPT_FREE(_arena, _ptr) \
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XPT_ArenaFree((_arena), (_ptr))
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#else
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#define XPT_FREE(_arena, _ptr) \
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((void)0)
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#endif
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#define XPT_STRDUP(_arena, _s) \
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XPT_ArenaStrDup((_arena), (_s))
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#define XPT_CALLOC(_arena, _size) XPT_MALLOC((_arena), (_size))
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#define XPT_NEW(_arena, _struct) ((_struct *) XPT_MALLOC((_arena), sizeof(_struct)))
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#define XPT_NEWZAP(_arena, _struct) XPT_NEW((_arena), _struct)
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#define XPT_DELETE(_arena, _ptr) do{XPT_FREE((_arena), (_ptr)); ((_ptr)) = NULL;}while(0)
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#define XPT_FREEIF(_arena, _ptr) do{if ((_ptr)) XPT_FREE((_arena), (_ptr));}while(0)
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/* --------------------------------------------------------- */
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#ifdef DEBUG
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XPT_PUBLIC_API(void)
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XPT_AssertFailed(const char *s, const char *file, uint32_t lineno)
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MOZ_PRETEND_NORETURN_FOR_STATIC_ANALYSIS;
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#define XPT_ASSERT(_expr) \
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((_expr)?((void)0):XPT_AssertFailed(# _expr, __FILE__, __LINE__))
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#else
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#define XPT_ASSERT(_expr) ((void)0)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __xpt_arena_h__ */
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