From 2c1d40a9ebc670b6c2b2d3127811e167749da836 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Fri, 2 Aug 2024 18:43:24 -0700
Subject: [PATCH] Added an error message when SDL_GetWindowFromID() fails

---
 src/video/SDL_video.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index 5dfe7dabd7..47677944d7 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -2649,13 +2649,17 @@ SDL_Window *SDL_GetWindowFromID(SDL_WindowID id)
     SDL_Window *window;
 
     if (!_this) {
+        SDL_UninitializedVideo();
         return NULL;
     }
-    for (window = _this->windows; window; window = window->next) {
-        if (window->id == id) {
-            return window;
+    if (id) {
+        for (window = _this->windows; window; window = window->next) {
+            if (window->id == id) {
+                return window;
+            }
         }
     }
+    SDL_SetError("Invalid window ID");                                 \
     return NULL;
 }