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Cygwin: pty: Keep code page between non-cygwin apps.

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- After commit bb428520, there has been the disadvantage:
  4) Code page cannot be changed by chcp.com. Acctually, chcp works
     itself and changes code page of its own pseudo console.  However,
     since pseudo console is recreated for another process, it cannot
     inherit the code page.
  This patch clears this disadvantage.
This commit is contained in:
Takashi Yano via Cygwin-patches 2021-01-28 12:26:12 +09:00 committed by Corinna Vinschen
parent 10d083c745
commit 442093214d
3 changed files with 11 additions and 0 deletions
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7
winsup/cygwin/fhandler_tty.cc
View File

@ -2845,6 +2845,11 @@ fhandler_pty_slave::setup_pseudoconsole (bool nopcon)
HPCON_INTERNAL *hp = (HPCON_INTERNAL *) get_ttyp ()->h_pseudo_console;
get_ttyp ()->h_pcon_write_pipe = hp->hWritePipe;
}
if (get_ttyp ()->previous_code_page)
SetConsoleCP (get_ttyp ()->previous_code_page);
if (get_ttyp ()->previous_output_code_page)
SetConsoleOutputCP (get_ttyp ()->previous_output_code_page);
return true;
cleanup_pcon_in:
@ -2884,6 +2889,8 @@ fhandler_pty_slave::close_pseudoconsole (tty *ttyp)
if (ttyp->h_pseudo_console)
{
ttyp->wait_pcon_fwd ();
ttyp->previous_code_page = GetConsoleCP ();
ttyp->previous_output_code_page = GetConsoleOutputCP ();
FreeConsole ();
AttachConsole (ATTACH_PARENT_PROCESS);
HPCON_INTERNAL *hp = (HPCON_INTERNAL *) ttyp->h_pseudo_console;

2
winsup/cygwin/tty.cc
View File

@ -246,6 +246,8 @@ tty::init ()
has_csi6n = false;
need_invisible_console = false;
invisible_console_pid = 0;
previous_code_page = 0;
previous_output_code_page = 0;
}
HANDLE

2
winsup/cygwin/tty.h
View File

@ -107,6 +107,8 @@ private:
bool has_csi6n;
bool need_invisible_console;
pid_t invisible_console_pid;
UINT previous_code_page;
UINT previous_output_code_page;
public:
HANDLE from_master () const { return _from_master; }