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| * ***** 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> |
| |
| |
| /* |
| * The XPT library is statically linked: no functions are exported from |
| * shared libraries. |
| */ |
| #define XPT_PUBLIC_API(t) t |
| #define XPT_PUBLIC_DATA(t) 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__ */ |