compile error when make a wchar_t conversion

[George2]

Hello everyone,


Here is the code, and if I change line from

static wchar_t* p[1] = {PREFIX((wchar_t*)_TEXT("FOO"))};

to

static wchar_t* p[1] = {PREFIX(_TEXT("FOO"))};

then code will be ok. Why?

#define UNICODE
#define _UNICODE

// include tchar.h

#define PREFIX(x)	(wchar_t*)_TEXT("GOO_") x

int main (int argc, char** argv)
{
	static wchar_t* p[1] = {PREFIX((wchar_t*)_TEXT("FOO"))};

	return 0;
}



main.c(10) : error C2064: term does not evaluate to a function taking
-22 arguments
main.c(10) : error C2143: syntax error : missing ')' before 'type'
main.c(10) : error C2059: syntax error : ')'

thanks in advance,
George

 

[Ian Collins]

Hello everyone,


Here is the code, and if I change line from

static wchar_t* p[1] = {PREFIX((wchar_t*)_TEXT("FOO"))};

to

static wchar_t* p[1] = {PREFIX(_TEXT("FOO"))};

then code will be ok. Why?

Learn how to invoke your compiler so it outputs the preprocessor output
and all will be revealed.