From 8032ca1433c812c762955d4227b63e426e51c9c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Wed, 12 Nov 2025 07:26:01 +0100
Subject: [PATCH] core: display an error message in case of invalid size with
 commands `/window splith` and `/window splitv`

---
 src/core/core-command.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/core/core-command.c b/src/core/core-command.c
index 3238e7794..21f1a772d 100644
--- a/src/core/core-command.c
+++ b/src/core/core-command.c
@@ -8110,6 +8110,8 @@ COMMAND_CALLBACK(window)
             {
                 gui_window_split_horizontal (ptr_win, number);
             }
+            else
+                COMMAND_ERROR;
         }
         else
             gui_window_split_horizontal (ptr_win, 50);
@@ -8128,6 +8130,8 @@ COMMAND_CALLBACK(window)
             {
                 gui_window_split_vertical (ptr_win, number);
             }
+            else
+                COMMAND_ERROR;
         }
         else
             gui_window_split_vertical (ptr_win, 50);