[reactos] 01/01: [NTVDM] Deduplicate IsConsoleHandle() using the correct version pointed by Hermès. #179

[Amine Khaldi]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=9716814879dc19643663f8...

commit 9716814879dc19643663f8951d8ad1d681fd1cae
Author: Amine Khaldi [e-mail]
AuthorDate: Sat Dec 23 23:56:04 2017 +0100

[NTVDM] Deduplicate IsConsoleHandle() using the correct version pointed by Hermès. #179
---
 subsystems/mvdm/ntvdm/console/console.c | 24 ++++++++++++++++++++++++
 subsystems/mvdm/ntvdm/console/video.c   | 24 ------------------------
 subsystems/mvdm/ntvdm/ntvdm.h           |  1 +
 3 files changed, 25 insertions(+), 24 deletions(-)

diff --git a/subsystems/mvdm/ntvdm/console/console.c b/subsystems/mvdm/ntvdm/console/console.c
index 72200a103a..db2a468273 100644
--- a/subsystems/mvdm/ntvdm/console/console.c
+++ b/subsystems/mvdm/ntvdm/console/console.c
@@ -500,6 +500,30 @@ ConsoleCleanup(VOID)
     if (ConsoleInput  != INVALID_HANDLE_VALUE) CloseHandle(ConsoleInput);
 }

+BOOL IsConsoleHandle(HANDLE hHandle)
+{
+    DWORD dwMode;
+
+    /* Check whether the handle may be that of a console... */
+    if ((GetFileType(hHandle) & ~FILE_TYPE_REMOTE) != FILE_TYPE_CHAR)
+        return FALSE;
+
+    /*
+     * It may be. Perform another test... The idea comes from the
+     * MSDN description of the WriteConsole API:
+     *
+     * "WriteConsole fails if it is used with a standard handle
+     *  that is redirected to a file. If an application processes
+     *  multilingual output that can be redirected, determine whether
+     *  the output handle is a console handle (one method is to call
+     *  the GetConsoleMode function and check whether it succeeds).
+     *  If the handle is a console handle, call WriteConsole. If the
+     *  handle is not a console handle, the output is redirected and
+     *  you should call WriteFile to perform the I/O."
+     */
+    return GetConsoleMode(hHandle, &dwMode);
+}
+
 VOID MenuEventHandler(PMENU_EVENT_RECORD MenuEvent)
 {
     switch (MenuEvent->dwCommandId)
diff --git a/subsystems/mvdm/ntvdm/console/video.c b/subsystems/mvdm/ntvdm/console/video.c
index de2910c90d..d19841b7f2 100644
--- a/subsystems/mvdm/ntvdm/console/video.c
+++ b/subsystems/mvdm/ntvdm/console/video.c
@@ -436,30 +436,6 @@ static VOID DetachFromConsoleInternal(VOID)
     TextFramebuffer = NULL;
 }

-static BOOL IsConsoleHandle(HANDLE hHandle)
-{
-    DWORD dwMode;
-
-    /* Check whether the handle may be that of a console... */
-    if ((GetFileType(hHandle) & ~FILE_TYPE_REMOTE) != FILE_TYPE_CHAR)
-        return FALSE;
-
-    /*
-     * It may be. Perform another test... The idea comes from the
-     * MSDN description of the WriteConsole API:
-     *
-     * "WriteConsole fails if it is used with a standard handle
-     *  that is redirected to a file. If an application processes
-     *  multilingual output that can be redirected, determine whether
-     *  the output handle is a console handle (one method is to call
-     *  the GetConsoleMode function and check whether it succeeds).
-     *  If the handle is a console handle, call WriteConsole. If the
-     *  handle is not a console handle, the output is redirected and
-     *  you should call WriteFile to perform the I/O."
-     */
-    return GetConsoleMode(hHandle, &dwMode);
-}
-
 static VOID SetActiveScreenBuffer(HANDLE ScreenBuffer)
 {
     ASSERT(ScreenBuffer);
diff --git a/subsystems/mvdm/ntvdm/ntvdm.h b/subsystems/mvdm/ntvdm/ntvdm.h
index 616cc70aac..60a763fd15 100644
--- a/subsystems/mvdm/ntvdm/ntvdm.h
+++ b/subsystems/mvdm/ntvdm/ntvdm.h
@@ -103,6 +103,7 @@ UpdateVdmMenuDisks(VOID);
 BOOL ConsoleAttach(VOID);
 VOID ConsoleDetach(VOID);
 VOID ConsoleReattach(HANDLE ConOutHandle);
+BOOL IsConsoleHandle(HANDLE hHandle);
 VOID MenuEventHandler(PMENU_EVENT_RECORD MenuEvent);
 VOID FocusEventHandler(PFOCUS_EVENT_RECORD FocusEvent);