89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
/*++
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Copyright (C) 1996-1999 Microsoft Corporation
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Module Name:
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unihelpr.h
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Abstract:
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<abstract>
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--*/
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#ifndef _UNIHELPR_H_
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#define _UNIHELPR_H_
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/*
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These macros are based on the MFC macros found in file afxconv.h. They have been modified
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slightly to delete references to the MFC helper functions AfxW2AHelper and AfxA2WHelper
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so that the MFC DLL is not required.
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*/
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#include <malloc.h>
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#define _MbToWide(dst, src, cnt) \
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MultiByteToWideChar(CP_ACP, 0, src, (int)cnt, dst, (int)cnt)
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#define _WideToMb(dst, src, cnt) \
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WideCharToMultiByte(CP_ACP, 0, src, (int)cnt, dst, (int)(2 * cnt), NULL, NULL)
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#define A2CW(lpa) (\
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((LPCSTR)lpa == NULL) ? NULL : ( \
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_convert = (lstrlenA(lpa)+1), \
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_convPtr = alloca(_convert*2), \
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_MbToWide((LPWSTR)_convPtr, lpa, _convert), \
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(LPCWSTR)_convPtr \
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) \
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)
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#define A2W(lpa) (\
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((LPCSTR)lpa == NULL) ? NULL : ( \
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_convert = (lstrlenA(lpa)+1), \
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_convPtr = alloca(_convert*2), \
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_MbToWide((LPWSTR)_convPtr, lpa, _convert),\
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(LPWSTR)_convPtr \
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) \
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)
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#define W2CA(lpw) (\
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((LPCWSTR)lpw == NULL) ? NULL : ( \
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_convert = (wcslen(lpw)+1), \
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_convPtr = alloca(_convert*2), \
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_WideToMb((LPSTR)_convPtr, lpw, _convert), \
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(LPCSTR)_convPtr \
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)\
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)
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#define W2A(lpw) (\
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((LPCWSTR)lpw == NULL) ? NULL : (\
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_convert = (wcslen(lpw)+1),\
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_convPtr = alloca(_convert*2), \
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_WideToMb((LPSTR)_convPtr, lpw, _convert), \
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(LPSTR)_convPtr \
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)\
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)
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#ifndef _DEBUG
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#define USES_CONVERSION size_t _convert; void *_convPtr; _convPtr, _convert;
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#else
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#define USES_CONVERSION int _convert = 0; void *_convPtr = NULL; assert( 0 == _convert ); assert( NULL ==_convPtr );
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#endif
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#ifdef _UNICODE
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#define T2A W2A
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#define A2T A2W
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#define T2W(x) (x)
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#define W2T(x) (x)
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#else
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#define T2W A2W
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#define W2T W2A
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#define T2A(x) (x)
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#define A2T(x) (x)
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#endif
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#endif
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