Re: Making Unicode/non-Unicode function dll.
"TheOne" <daewon.yoon@gmail.com> ha scritto nel messaggio
news:2b6c3c7f-a333-462c-8411-08a3c6f6d21c@y21g2000hsf.googlegroups.com...
I'm writing a dll which includes unicode and non-unicode version of
Func, namely, FuncA and FuncW. The dll should include both of them and
the application side must call these function accroding to their
UNICODE setting.
I would implement the FuncW (Unicode UTF-16 version), and then implement the
FuncA (ANSI version) just as a thin wrapper of Unicode, i.e. the FuncA
version converts the string(s) from Ansi to Unicode using e.g. CA2W and
simply calls the Unicode version FuncW.
void FuncW( const wchar_t * wsz... )
{
... full implementation (Unicode) ...
...
}
void FuncA( const char * sz ... )
{
// Convert from Ansi to Unicode
// each string passed as input
CA2W wsz( sz );
...CA2W wszAnother( szAnother );
...
// Just call the main Unicode implementation
FuncW( wsz ... );
}
You export both functions (A/W) from the DLL, and then use the classic
"#ifdef UNICODE" preprocessor conditional paradigma in the DLL public header
file:
// dllheader:
#ifdef UNICODE
#define Func FuncW
#else
#define Func FuncA
#endif
HTH,
Giovanni
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