assume there is a c++ function string getpath()
you mean I should do this ?
>
char *CGetPath() {
> auto str=getpath;
> char *c = malloc(str.length()),
> strcpy(c,str.c_str());
> return c;
> }
p :=C.CGetPath()
> gostr := C.GoString()
> C.free(p)
在 2017年4月18日星期二 UTC+8下午6:44:59，Konstantin Khomoutov写道：
>
> On Tue, 18 Apr 2017 02:25:07 -0700 (PDT)
> hui zhang <fastf...@gmail.com <javascript:>> wrote:
>
> > c code
> > string getstring() {...}
> >
> > go
> >
> > string gostr = ????(C.getstring())
>
> Oh, and note that std::string is a fat object.
>
> So if getstring() really returns an instance of std::string,
> and you need to actually extract its "raw bytes", you'd need to call
> the c_str() method of std::string on that object before applying the
> techniques from [1] to it.
>
> 1. https://github.com/golang/go/wiki/cgo#go-strings-and-c-strings
>
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