[pocpp] add NCOPTION_DRAIN_INPUT where appropriate

src/pocpp/resize.cpp

@@ -16,7 +16,9 @@ int main(int argc, char** argv){
     file = argv[1];
   }
   notcurses_options opts{};
-  opts.flags = NCOPTION_INHIBIT_SETLOCALE | NCOPTION_NO_ALTERNATE_SCREEN;
+  opts.flags = NCOPTION_INHIBIT_SETLOCALE
+               | NCOPTION_NO_ALTERNATE_SCREEN
+               | NCOPTION_DRAIN_INPUT;
   struct notcurses* nc;
   if((nc = notcurses_init(&opts, nullptr)) == nullptr){
     return EXIT_FAILURE;

src/pocpp/rgbbg.cpp

@@ -9,7 +9,9 @@ auto main() -> int {
     return EXIT_FAILURE;
   }
   notcurses_options opts{};
-  opts.flags = NCOPTION_INHIBIT_SETLOCALE | NCOPTION_NO_ALTERNATE_SCREEN;
+  opts.flags = NCOPTION_INHIBIT_SETLOCALE
+               | NCOPTION_NO_ALTERNATE_SCREEN
+               | NCOPTION_DRAIN_INPUT;
   struct notcurses* nc = notcurses_init(&opts, nullptr);
   if(nc == nullptr){
     return EXIT_FAILURE;

src/pocpp/widestomp.cpp

@@ -45,7 +45,8 @@ auto stomper(NotCurses& nc, std::shared_ptr<Plane>& nn) -> int {
 auto main() -> int {
   setlocale(LC_ALL, "");
   notcurses_options nopts{};
-  nopts.flags = NCOPTION_INHIBIT_SETLOCALE;
+  nopts.flags = NCOPTION_INHIBIT_SETLOCALE
+                | NCOPTION_DRAIN_INPUT;
   NotCurses nc(nopts);
   std::shared_ptr<Plane> n(nc.get_stdplane());