[reactos] 01/01: [CALC] Fix copy command when output is NaN (#7496)

[Carlo Bramini]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=30b40247a303365acd83b…
commit 30b40247a303365acd83b21cae417344c079f070
Author:     Carlo Bramini <carlo_bramini(a)users.sourceforge.net>
AuthorDate: Sun Nov 10 17:01:34 2024 +0100
Commit:     GitHub <noreply(a)github.com>
CommitDate: Sun Nov 10 17:01:34 2024 +0100
    [CALC] Fix copy command when output is NaN (#7496)
    CORE-19745
---
 base/applications/calc/winmain.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/base/applications/calc/winmain.c b/base/applications/calc/winmain.c
index b2ab16cd0e2..54025b64999 100644
--- a/base/applications/calc/winmain.c
+++ b/base/applications/calc/winmain.c
@@ -1015,10 +1015,16 @@ static void handle_copy_command(HWND hWnd)
     TCHAR display[MAX_CALC_SIZE];
     UINT  n;
+    // Read current text from output display
     n = GetDlgItemText(hWnd, IDC_TEXT_OUTPUT, display, SIZEOF(display));
-    if (calc.base == IDC_RADIO_DEC && _tcschr(calc.buffer, _T('.')) ==
NULL)
-        display[n - calc.sDecimal_len] = _T('\0');
+    // Check if result is a true number
+    if (!calc.is_nan)
+    {
+        // Remove trailing decimal point if no decimal digits exist
+        if (calc.base == IDC_RADIO_DEC && _tcschr(calc.buffer, _T('.'))
== NULL)
+            display[n - calc.sDecimal_len] = _T('\0');
+    }
     CopyMemToClipboard(display);
 }