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