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Add error when wayland connection fails #47

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Add error when wayland connection fails #47

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5 changes: 4 additions & 1 deletion oguri.c
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Original file line number Diff line number Diff line change
Expand Up @@ -305,7 +305,10 @@ int main(int argc, char * argv[]) {
signal(SIGPIPE, SIG_IGN);

oguri.display = wl_display_connect(NULL);
assert(oguri.display);
if (!oguri.display) {
fprintf(stderr, "Unable to create wayland display connection. Is wayland running?\n");
return 1;
}

oguri.events[OGURI_SIGNAL_EVENT] = (struct pollfd) {
.fd = signal_pipe[0],
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