[newlib-cygwin] Cygwin: pty: Make SetConsoleCursorPosition() to be hooked.

Ken Brown kbrown@sourceware.org
Fri Sep 6 17:42:00 GMT 2019


https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=f39a694c463c1a1ea14e60f5d03652d94e6f76ee

commit f39a694c463c1a1ea14e60f5d03652d94e6f76ee
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date:   Fri Sep 6 22:01:27 2019 +0900

    Cygwin: pty: Make SetConsoleCursorPosition() to be hooked.
    
    - Win32 API SetConsoleCursorPosition() injects ANSI escape sequence
      to pseudo console. Therefore, it should be added to the API list
      to be hooked.

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

diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 2533e56..3ffd64e 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -156,6 +156,7 @@ DEF_HOOK (WriteConsoleOutputW);
 DEF_HOOK (WriteConsoleOutputCharacterA);
 DEF_HOOK (WriteConsoleOutputCharacterW);
 DEF_HOOK (WriteConsoleOutputAttribute);
+DEF_HOOK (SetConsoleCursorPosition);
 DEF_HOOK (SetConsoleTextAttribute);
 DEF_HOOK (WriteConsoleInputA);
 DEF_HOOK (WriteConsoleInputW);
@@ -242,6 +243,13 @@ WriteConsoleOutputAttribute_Hooked
   return WriteConsoleOutputAttribute_Orig (h, a, l, c, n);
 }
 static BOOL WINAPI
+SetConsoleCursorPosition_Hooked
+     (HANDLE h, COORD c)
+{
+  set_ishybrid_and_switch_to_pcon (h);
+  return SetConsoleCursorPosition_Orig (h, c);
+}
+static BOOL WINAPI
 SetConsoleTextAttribute_Hooked
      (HANDLE h, WORD a)
 {
@@ -2952,6 +2960,7 @@ fhandler_pty_slave::fixup_after_exec ()
       DO_HOOK (NULL, WriteConsoleOutputCharacterA);
       DO_HOOK (NULL, WriteConsoleOutputCharacterW);
       DO_HOOK (NULL, WriteConsoleOutputAttribute);
+      DO_HOOK (NULL, SetConsoleCursorPosition);
       DO_HOOK (NULL, SetConsoleTextAttribute);
       DO_HOOK (NULL, WriteConsoleInputA);
       DO_HOOK (NULL, WriteConsoleInputW);



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