I've reported the bug to the musl mailing list with a fix patch for the wprintf implementation.
-- brion On Wed, Sep 11, 2019 at 3:16 PM Brion Vibber <[email protected]> wrote: > I think this is a bug in the musl implementation of the standard C > library; 8-bit printf implements %lf but wide-char wprintf does not. (This > can be seen in vfprintf.c and vfwprintf.c under > emscripten/system/lib/libc/musl/src/stdio) > > It looks like you can use %F for doubles on both functions, however. > > -- brion > > On Wed, Sep 11, 2019 at 2:16 PM Юрий Катков <[email protected]> wrote: > >> Hello everyone! >> >> I'm trying to print double with wprintf in stdout and some format >> specifiers don't work. >> >> int main( int argc, char* argv[] ) >> { >> double val = 0.123; >> >> wprintf( L"1 %lf\n", val ); // FAIL >> wprintf( L"2 %lf\n", static_cast<float>( val ) ); //FAIL >> wprintf( L"3 %f\n", val ); // OK >> wprintf( L"4 %f\n", static_cast<float>( val ) ); // OK >> printf( "5 %lf\n", val ); // OK >> printf( "6 %lf\n", static_cast<float>( val ) ); // OK >> printf( "7 %f\n", val ); // OK >> printf( "8 %f\n", static_cast<float>( val ) ); // OK >> >> return 0; >> } >> >> And what I see in console: >> 3 0.123000 >> 4 0.123000 >> 5 0.123000 >> 6 0.123000 >> 7 0.123000 >> 8 0.123000 >> >> Why %ls doesn't work with wprintf ? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "emscripten-discuss" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/emscripten-discuss/e4cce172-ac25-45f7-9bd1-879b96208c23%40googlegroups.com >> <https://groups.google.com/d/msgid/emscripten-discuss/e4cce172-ac25-45f7-9bd1-879b96208c23%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/emscripten-discuss/CAFnWYTkr7Oyf5qG3D6yH2xwE6T4nexgoFdHJSTPdpPH1%3DDR4bg%40mail.gmail.com.
