[newlib-cygwin] Cygwin: pty: Prevent garbled output for existing non-cygwin apps.
Corinna Vinschen
corinna@sourceware.org
Fri Sep 11 12:09:30 GMT 2020
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=232fde0e76db14fc59912d0022b72c7739f1d598
commit 232fde0e76db14fc59912d0022b72c7739f1d598
Author: Takashi Yano via Cygwin-patches <cygwin-patches@cygwin.com>
Date: Fri Sep 11 19:54:40 2020 +0900
Cygwin: pty: Prevent garbled output for existing non-cygwin apps.
- If pseudo console is disabled, non-cygwin apps do not detect
console device. In this case, some apps output UTF-8 regardless
of the locale setting. At least git-for-windows, rust-based apps
and node.js do that. This patch provides backward compatibility
as default behaviour by setting console codepage to the charset of
the locale. Even in the cases above, garbled output is prevented
with this patch in most cases because mintty uses UTF-8 by default.
I beleave this is not really a problem in cygwin side but that in
app side, however, some users complain about garbled output with
existing apps in MSYS2 (which is based on cygwin) in which pseudo
console is disabled by default.
Diff:
---
winsup/cygwin/fhandler_tty.cc | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
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
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