[newlib-cygwin] Cygwin: pty: Set console code page only if pseudo console is enabled.

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=50e2a63b04bdd018484605fbb954fd1bd5147fa0

commit 50e2a63b04bdd018484605fbb954fd1bd5147fa0
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date:   Fri Jan 10 20:47:12 2020 +0900

    Cygwin: pty: Set console code page only if pseudo console is enabled.
    
    - Input UTF-8 chars are garbled in ConEmu with cygwin connector if
      the environment does not support pseudo console. This patch fixes
      the issue.

Diff:
---
 winsup/cygwin/fhandler_tty.cc | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 983e058..fff5beb 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -2626,15 +2626,18 @@ fhandler_pty_slave::setup_locale (void)
   LCID lcid = get_langinfo (locale, charset);
 
   /* Set console code page form locale */
-  UINT code_page;
-  if (lcid == 0 || lcid == (LCID) -1)
-    code_page = 20127; /* ASCII */
-  else if (!GetLocaleInfo (lcid,
-			   LOCALE_IDEFAULTCODEPAGE | LOCALE_RETURN_NUMBER,
-			   (char *) &code_page, sizeof (code_page)))
-    code_page = 20127; /* ASCII */
-  SetConsoleCP (code_page);
-  SetConsoleOutputCP (code_page);
+  if (get_pseudo_console ())
+    {
+      UINT code_page;
+      if (lcid == 0 || lcid == (LCID) -1)
+	code_page = 20127; /* ASCII */
+      else if (!GetLocaleInfo (lcid,
+			       LOCALE_IDEFAULTCODEPAGE | LOCALE_RETURN_NUMBER,
+			       (char *) &code_page, sizeof (code_page)))
+	code_page = 20127; /* ASCII */
+      SetConsoleCP (code_page);
+      SetConsoleOutputCP (code_page);
+    }
 
   /* Set terminal code page from locale */
   /* This code is borrowed from mintty: charset.c */