63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
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/*************************************************************************\
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*
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* thunk.h
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*
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* These are helper functions to make thunking easier.
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*
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* 18-Aug-1994 JonPa Created it.
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*
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\ *************************************************************************/
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/*
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* Creates a buffer for a unicode string, and then copies the ANSI text
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* into it (converting it to unicode in the process)
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*
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* The returned pointer should be freed with FreeProducedString after use.
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*/
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LPWSTR ProduceWFromA( UINT uiCodePage, LPCSTR pszAnsi );
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/*
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* Creates a buffer for a ANSI string, and then copies the UNICODE text
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* into it (converting it to ANSI in the process)
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*
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* The returned pointer should be freed with FreeProducedString after use.
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*/
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LPSTR ProduceAFromW( UINT uiCodePage, LPCWSTR pszW );
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/*
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* FreeProducedString
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*
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* Takes a pointer returned from Produce?From?() and frees it. No
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* validity checking is needed before calling this function. (ie, any
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* value returned by Produce?From?() can be safely sent to this function)
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*/
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#define FreeProducedString( psz ) \
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if((psz) != NULL && ((LPSTR)psz) != LPSTR_TEXTCALLBACKA) {LocalFree(psz);} else
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/*
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* Converts a UNICODE string to ANSI
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*/
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#define ConvertWToAN( uiCodePage, pszABuf, cchA, pszW, cchW ) \
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WideCharToMultiByte(uiCodePage, 0, pszW, cchW, pszABuf, cchA, NULL, NULL)
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#define ConvertWToA( uiCodePage, pszABuf, pszW ) \
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ConvertWToAN( uiCodePage, pszABuf, INT_MAX, pszW, -1 )
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/*
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* Converts an ANSI string to UNICODE
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*/
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#define ConvertAToWN( uiCodePage, pszWBuf, cchW, pszA, cchA ) \
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MultiByteToWideChar( uiCodePage, MB_PRECOMPOSED, pszA, cchA, pszWBuf, cchW )
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#define ConvertAToW( uiCodePage, pszWBuf, pszAnsi ) \
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ConvertAToWN( uiCodePage, pszWBuf, INT_MAX, pszAnsi, -1 )
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/*
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* IsFlagPtr
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* Returns TRUE if the pointer == NULL or -1
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*/
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#define IsFlagPtr( p ) ((p) == NULL || (LPSTR)(p) == LPSTR_TEXTCALLBACKA)
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