Mercurial > vim
changeset 30003:01087b4630da v9.0.0339
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)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Wed, 31 Aug 2022 13:15:02 +0200 |
parents | b3fd1aacd62a |
children | 40b34edf15c2 |
files | src/gui_x11.c src/version.c |
diffstat | 2 files changed, 9 insertions(+), 3 deletions(-) [+] |
line wrap: on
line diff
--- 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); } /*