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Wayland: avoid NULL-pointer error after call to wl_display_get_protocol_error()

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Backported from master: 0e6c61e6fc
This commit is contained in:
ManoloFLTK 2025-08-07 19:37:05 +02:00 committed by Albrecht Schlosser
parent 3b6c45125c
commit 767e159ca2
1 changed files with 2 additions and 1 deletions
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3
src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx
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@ -1358,7 +1358,8 @@ static void wayland_socket_callback(int fd, struct wl_display *display) {
if (err == EPROTO) {
const struct wl_interface *interface;
int code = wl_display_get_protocol_error(display, &interface, NULL);
Fl::fatal("Fatal error no %d in Wayland protocol: %s", code, interface->name);
Fl::fatal("Fatal error no %d in Wayland protocol: %s", code,
(interface ? interface->name : "unknown") );
} else {
Fl::fatal("Fatal error while communicating with the Wayland server: %s",
strerror(errno));