03/03: [CMD] Improve how the command prompt displays when one presses Ctrl-C/break after having pressed ENTER, or after a command has been run.

[Hermès Bélusca-Maïto]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=03c233bcd09bb378f9561…

commit 03c233bcd09bb378f9561968b9cbf4f45d140f09
Author:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
AuthorDate: Sun Apr 29 00:57:16 2018 +0200
Commit:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
CommitDate: Sun Apr 29 00:57:16 2018 +0200

    [CMD] Improve how the command prompt displays when one presses Ctrl-C/break after
having pressed ENTER, or after a command has been run.
---
 base/shell/cmd/cmd.c      |  8 +++-----
 base/shell/cmd/cmdinput.c | 10 ++++++++--
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/base/shell/cmd/cmd.c b/base/shell/cmd/cmd.c
index 25ddae0c6f..bc92e70e6c 100644
--- a/base/shell/cmd/cmd.c
+++ b/base/shell/cmd/cmd.c
@@ -1418,16 +1418,14 @@ ReadLine(TCHAR *commandline, BOOL bMore)
             return FALSE;
         }
 
-        if (CheckCtrlBreak(BREAK_INPUT))
-        {
+        if (readline[0] == _T('\0'))
             ConOutChar(_T('\n'));
+
+        if (CheckCtrlBreak(BREAK_INPUT))
             return FALSE;
-        }
 
         if (readline[0] == _T('\0'))
-        {
             return FALSE;
-        }
 
         ip = readline;
     }
diff --git a/base/shell/cmd/cmdinput.c b/base/shell/cmd/cmdinput.c
index 9257cb6dda..481a04350d 100644
--- a/base/shell/cmd/cmdinput.c
+++ b/base/shell/cmd/cmdinput.c
@@ -453,8 +453,14 @@ BOOL ReadCommand(LPTSTR str, INT maxlen)
                 if ((ir.Event.KeyEvent.dwControlKeyState &
                     (RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED)))
                 {
-                    /* A CTRL-C.  Don't clear the the command line,
-                     * but return an empty string in str. */
+                    /* Ignore the Ctrl-C key event if it has already been handled */
+                    if (!bCtrlBreak)
+                        break;
+
+                    /*
+                     * A Ctrl-C. Do not clear the command line,
+                     * but return an empty string in str.
+                     */
                     str[0] = _T('\0');
                     curx = orgx;
                     cury = orgy;