68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
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#pragma once
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#include <objbase.h>
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#define SafeRelease(p) if (NULL != p) { (p)->Release(); }
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#define SafeReleaseNULL(p) if (NULL != p) { (p)->Release(); (p) = NULL; }
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#define SafeFree(p) if (NULL != p) { free(p); }
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#define SafeFreeNULL(p) if (NULL != p) { free(p); (p) = NULL; }
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#define SafeDelete(p) if (NULL != p) { delete (p); }
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#define SafeDeleteNULL(p) if (NULL != p) { delete (p); (p) = NULL; }
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#define SafeLocalFree(p) if (NULL != p) { LocalFree(p); }
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#define SafeLocalFreeNULL(p) if (NULL != p) { LocalFree(p); (p) = NULL; }
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inline void SafeCloseHandle(HANDLE h)
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{
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if ( NULL != h )
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{
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CloseHandle(h);
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}
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}
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inline void SafeCloseHandleNULL(HANDLE & h)
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{
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if ( NULL != h )
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{
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CloseHandle(h);
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h = NULL;
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}
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}
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inline void SafeCloseFileHandle(HANDLE h)
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{
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if ( INVALID_HANDLE_VALUE != h )
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{
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CloseHandle(h);
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}
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}
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inline void SafeCloseFileHandleInvalidate(HANDLE & h)
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{
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if ( INVALID_HANDLE_VALUE != h )
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{
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CloseHandle(h);
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h = INVALID_HANDLE_VALUE;
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}
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}
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inline void SafeFreeBSTR(BSTR bstr)
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{
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SysFreeString(bstr); // SysFreeString takes no action if bstr == NULL
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}
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inline void SafeFreeBSTRNULL(BSTR &bstr)
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{
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SysFreeString(bstr);
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bstr = NULL;
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}
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inline int WUCompareString(LPCTSTR lpString1, LPCTSTR lpString2)
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{
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return CompareString(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT), 0, lpString1, -1, lpString2, -1);
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}
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inline int WUCompareStringI(LPCTSTR lpString1, LPCTSTR lpString2)
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{
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return CompareString(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT), NORM_IGNORECASE, lpString1, -1, lpString2, -1);
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}
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