diff options
Diffstat (limited to 'src/libs/7zip/win/CPP/Windows/Memory.h')
-rw-r--r-- | src/libs/7zip/win/CPP/Windows/Memory.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/libs/7zip/win/CPP/Windows/Memory.h b/src/libs/7zip/win/CPP/Windows/Memory.h new file mode 100644 index 000000000..1984baf6a --- /dev/null +++ b/src/libs/7zip/win/CPP/Windows/Memory.h @@ -0,0 +1,53 @@ +// Windows/Memory.h + +#ifndef __WINDOWS_MEMORY_H +#define __WINDOWS_MEMORY_H + +namespace NWindows { +namespace NMemory { + +class CGlobal +{ + HGLOBAL m_MemoryHandle; +public: + CGlobal(): m_MemoryHandle(NULL){}; + ~CGlobal() { Free(); } + operator HGLOBAL() const { return m_MemoryHandle; }; + void Attach(HGLOBAL hGlobal) + { + Free(); + m_MemoryHandle = hGlobal; + } + HGLOBAL Detach() + { + HGLOBAL h = m_MemoryHandle; + m_MemoryHandle = NULL; + return h; + } + bool Alloc(UINT flags, SIZE_T size); + bool Free(); + LPVOID Lock() const { return GlobalLock(m_MemoryHandle); } + void Unlock() const { GlobalUnlock(m_MemoryHandle); } + bool ReAlloc(SIZE_T size); +}; + +class CGlobalLock +{ + HGLOBAL m_Global; + LPVOID m_Pointer; +public: + LPVOID GetPointer() const { return m_Pointer; } + CGlobalLock(HGLOBAL hGlobal): m_Global(hGlobal) + { + m_Pointer = GlobalLock(hGlobal); + }; + ~CGlobalLock() + { + if (m_Pointer != NULL) + GlobalUnlock(m_Global); + } +}; + +}} + +#endif |