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xwayland/xwm: Avoid zero-size allocaiton

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Zero-sized allocations have glibc-specific behavior, so avoid those.
This commit is contained in:
Kenny Levinsen 2024-02-22 13:44:46 +01:00
parent 0cb091f1a2
commit 837060f894
1 changed files with 11 additions and 8 deletions
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5
xwayland/xwm.c
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@ -290,7 +290,9 @@ static void xwm_set_net_client_list(struct wlr_xwm *xwm) {
} }
} }
xcb_window_t *windows = malloc(sizeof(xcb_window_t) * mapped_surfaces); xcb_window_t *windows = NULL;
if (mapped_surfaces > 0) {
xcb_window_t *windows = malloc(sizeof(*windows) * mapped_surfaces);
if (!windows) { if (!windows) {
return; return;
} }
@ -301,6 +303,7 @@ static void xwm_set_net_client_list(struct wlr_xwm *xwm) {
windows[index++] = surface->window_id; windows[index++] = surface->window_id;
} }
} }
}
xcb_change_property(xwm->xcb_conn, XCB_PROP_MODE_REPLACE, xcb_change_property(xwm->xcb_conn, XCB_PROP_MODE_REPLACE,
xwm->screen->root, xwm->atoms[NET_CLIENT_LIST], xwm->screen->root, xwm->atoms[NET_CLIENT_LIST],