@@ -1,8 +1,9 @@
 /* [ʞ] newtab.c
  *  ~ lexi hale <lexi@hale.su>
  *  $ cc -Ofast newtab.c -onewtab \
- *      [-D_default_qutebrowser_location=/...]
+ *      [-D_default_qutebrowser_location=/...] \
+ *      [-D_enable_vblank]
  *  $ ./newtab [example.net]
  *  © AGPLv3
  *  ? may god have mercy on my soul.
  *    i wrote this because qutebrowser, being a python
@@ -93,9 +94,9 @@
 		end = stpncpy(end, ssz("/qutebrowser/"));
 		DIR* qb = opendir(srv.sun_path);
 		if (!qb) return start_instance;
 		struct dirent* ent;
-		while (ent = readdir(qb)) {
+		while ((ent = readdir(qb))) {
 			if (ent == NULL) return start_instance;
 			if (strncmp(ent -> d_name, "ipc-", 4) == 0) break;
 		}
 		if (ent == NULL) return start_instance;
@@ -137,8 +138,11 @@
 		const char* uri = argc < 2 ? NULL : argv[1];
 		enum status st = transmit(uri);
 		if (st == start_instance) {
 			if (!fork()) {
+#				ifndef _enable_vblank
+					setenv("vblank_mode","0",0);
+#				endif
 				execl(dupl(_default_qutebrowser_location), uri, NULL);
 				execl(dupl("/usr/local/bin/qutebrowser"), uri, NULL);
 				execlp(dupl("qutebrowser"), uri, NULL);
 				st = fail_find;