# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1661944502 -7200
# Node ID 01087b4630daaec959b624c1e7c77243a4ca7bae
# Parent  b3fd1aacd62af9ac75f2e1a220a55a693b7e626b
patch 9.0.0339: no check if the return value of XChangeGC() is NULL

Commit: https://github.com/vim/vim/commit/a63ad78ed31e36dbdf3a9cd28071dcdbefce7d19
Author: Bram Moolenaar <Bram@vim.org>
Date:   Wed Aug 31 12:01:54 2022 +0100

    patch 9.0.0339: no check if the return value of XChangeGC() is NULL

    Problem:    No check if the return value of XChangeGC() is NULL.
    Solution:   Only use the return value when it is not NULL. (closes https://github.com/vim/vim/issues/11020)

diff --git a/src/gui_x11.c b/src/gui_x11.c
--- a/src/gui_x11.c
+++ b/src/gui_x11.c
@@ -2231,10 +2231,14 @@ gui_x11_create_blank_mouse(void)
 {
     Pixmap blank_pixmap = XCreatePixmap(gui.dpy, gui.wid, 1, 1, 1);
     GC gc = XCreateGC(gui.dpy, blank_pixmap, (unsigned long)0, (XGCValues*)0);
-    XDrawPoint(gui.dpy, blank_pixmap, gc, 0, 0);
-    XFreeGC(gui.dpy, gc);
+
+    if (gc != NULL)
+    {
+	XDrawPoint(gui.dpy, blank_pixmap, gc, 0, 0);
+	XFreeGC(gui.dpy, gc);
+    }
     return XCreatePixmapCursor(gui.dpy, blank_pixmap, blank_pixmap,
-	    (XColor*)&gui.norm_pixel, (XColor*)&gui.norm_pixel, 0, 0);
+		     (XColor*)&gui.norm_pixel, (XColor*)&gui.norm_pixel, 0, 0);
 }
 
 /*
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -708,6 +708,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    339,
+/**/
     338,
 /**/
     337,