wine/include/heap.h
1999-02-26 11:11:13 +00:00

72 lines
2.2 KiB
C

/*
* Win32 heap definitions
*
* Copyright 1996 Alexandre Julliard
*/
#ifndef __WINE_HEAP_H
#define __WINE_HEAP_H
#include "winbase.h"
extern HANDLE SystemHeap;
extern HANDLE SegptrHeap;
extern CRITICAL_SECTION *HEAP_SystemLock;
extern int HEAP_IsInsideHeap( HANDLE heap, DWORD flags, LPCVOID ptr );
extern SEGPTR HEAP_GetSegptr( HANDLE heap, DWORD flags, LPCVOID ptr );
extern LPVOID HEAP_xalloc( HANDLE heap, DWORD flags, DWORD size );
extern LPSTR HEAP_strdupA( HANDLE heap, DWORD flags, LPCSTR str );
extern LPWSTR HEAP_strdupW( HANDLE heap, DWORD flags, LPCWSTR str );
extern LPWSTR HEAP_strdupAtoW( HANDLE heap, DWORD flags, LPCSTR str );
extern LPSTR HEAP_strdupWtoA( HANDLE heap, DWORD flags, LPCWSTR str );
/* SEGPTR helper macros */
#define SEGPTR_ALLOC(size) \
(HeapAlloc( SegptrHeap, 0, (size) ))
#define SEGPTR_NEW(type) \
((type *)HeapAlloc( SegptrHeap, 0, sizeof(type) ))
#define SEGPTR_STRDUP(str) \
(HIWORD(str) ? HEAP_strdupA( SegptrHeap, 0, (str) ) : (LPSTR)(str))
#define SEGPTR_STRDUP_WtoA(str) \
(HIWORD(str) ? HEAP_strdupWtoA( SegptrHeap, 0, (str) ) : (LPSTR)(str))
/* define an inline function, a macro won't do */
static __inline__ SEGPTR WINE_UNUSED SEGPTR_Get(LPCVOID ptr) {
return (HIWORD(ptr) ? HEAP_GetSegptr( SegptrHeap, 0, ptr ) : (SEGPTR)ptr);
}
#define SEGPTR_GET(ptr) SEGPTR_Get(ptr)
#define SEGPTR_FREE(ptr) \
(HIWORD(ptr) ? HeapFree( SegptrHeap, 0, (ptr) ) : 0)
/* System heap locking macros */
#define SYSTEM_LOCK() (EnterCriticalSection(HEAP_SystemLock))
#define SYSTEM_UNLOCK() (LeaveCriticalSection(HEAP_SystemLock))
/* Use this one only when you own the lock! */
#define SYSTEM_LOCK_COUNT() (HEAP_SystemLock->RecursionCount)
typedef struct
{
LPVOID lpData;
DWORD cbData;
BYTE cbOverhead;
BYTE iRegionIndex;
WORD wFlags;
union {
struct {
HANDLE hMem;
DWORD dwReserved[3];
} Block;
struct {
DWORD dwCommittedSize;
DWORD dwUnCommittedSize;
LPVOID lpFirstBlock;
LPVOID lpLastBlock;
} Region;
} Foo;
} PROCESS_HEAP_ENTRY, *LPPROCESS_HEAP_ENTRY;
#endif /* __WINE_HEAP_H */