On Thu, 10 Sep 2020 23:16:10 +0900 Takashi Yano wrote: > On Thu, 10 Sep 2020 16:04:07 +0200 > Corinna Vinschen wrote: > > > Hi Takashi, > > > > On Sep 10 09:15, Takashi Yano via Cygwin-patches wrote: > > > On Wed, 9 Sep 2020 09:21:23 +0200 > > > Corinna Vinschen wrote: > > > > Takashi, does the patch from > > > > https://cygwin.com/pipermail/cygwin-developers/2020-August/011951.html > > > > still apply to the latest from master? Question is, shouldn't the > > > > Windows calls setting the codepage be only called if started from > > > > child_info_spawn::worker for non-Cygwin executables? > > > > > > I'd propose the patch: > > > > > > diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc > > > index 37d033bbe..95b28c3da 100644 > > > --- a/winsup/cygwin/fhandler_tty.cc > > > +++ b/winsup/cygwin/fhandler_tty.cc > > > @@ -1830,7 +1830,11 @@ fhandler_pty_slave::setup_locale (void) > > > extern UINT __eval_codepage_from_internal_charset (); > > > > > > if (!get_ttyp ()->term_code_page) > > > - get_ttyp ()->term_code_page = __eval_codepage_from_internal_charset > > > (); > > > + { > > > + get_ttyp ()->term_code_page = > > > __eval_codepage_from_internal_charset (); > > > + SetConsoleCP (get_ttyp ()->term_code_page); > > > + SetConsoleOutputCP (get_ttyp ()->term_code_page); > > > + } > > > } > > > > > > void > > > > > > However, Johannes insists setting codepage for non-cygwin apps > > > even when pseudo console is enabled, which I cannot agree. > > > > > > Actually, I hesitate even the patch above, however, it seems to > > > be necessary for msys apps in terms of backward compatibility. > > > > If we do as above, doesn't that mean the invocation of convert_mb_str in > > fhandler_pty_master::accept_input, as well as the second invocation of > > convert_mb_str in fhandler_pty_master::pty_master_fwd_thread are > > redundant? Both are only called if get_ttyp ()->term_code_page differs > > from the input or output console codepage. Given the above setting of > > the console CP to term_code_page, this would never be the case, right? > > You are right by default. However, if user change the code page using > chcp.com, conversion does work.
Not only user, but also app may change the codepage by SetConsoleCP() and SetConsoleOutputCP(). -- Takashi Yano <[email protected]>
