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