vizdirect PoC: always call ncdirect_stop()

src/poc/vizdirect.c

@@ -14,53 +14,57 @@ int main(void){
   }
   if(!ncdirect_canopen_images(n)){
     fprintf(stderr, "This notcurses was not build with multimedia support.\n");
-    return EXIT_FAILURE;
+    goto err;
   }
   ncdirect_set_fg_rgb8(n, 0xff, 0, 0xff);
   ncdirect_set_bg_rgb8(n, 0, 0xff, 0);
   ncdirect_printf_aligned(n, -1, NCALIGN_CENTER, "let's play!");
   if(ncdirect_render_image(n, "../data/normal.png", NCALIGN_LEFT,
                            NCBLIT_DEFAULT, NCSCALE_STRETCH)){
-    return EXIT_FAILURE;
+    goto err;
   }
   if(ncdirect_render_image(n, "../data/normal.png", NCALIGN_CENTER,
                            NCBLIT_DEFAULT, NCSCALE_STRETCH)){
-    return EXIT_FAILURE;
+    goto err;
   }
   if(ncdirect_render_image(n, "../data/normal.png", NCALIGN_RIGHT,
                            NCBLIT_DEFAULT, NCSCALE_STRETCH)){
-    return EXIT_FAILURE;
+    goto err;
   }
   sleep(1);
   if(ncdirect_clear(n)){
-    return EXIT_FAILURE;
+    goto err;
   }
   if(ncdirect_render_image(n, "../data/changes.jpg", NCALIGN_LEFT,
                            NCBLIT_DEFAULT, NCSCALE_SCALE)){
-    return EXIT_FAILURE;
+    goto err;
   }
   if(ncdirect_render_image(n, "../data/changes.jpg", NCALIGN_CENTER,
                            NCBLIT_DEFAULT, NCSCALE_SCALE)){
-    return EXIT_FAILURE;
+    goto err;
   }
   if(ncdirect_render_image(n, "../data/changes.jpg", NCALIGN_RIGHT,
                            NCBLIT_DEFAULT, NCSCALE_SCALE)){
-    return EXIT_FAILURE;
+    goto err;
   }
   sleep(1);
   if(ncdirect_clear(n)){
-    return EXIT_FAILURE;
+    goto err;
   }
   if(ncdirect_render_image(n, "../data/warmech.bmp", NCALIGN_RIGHT,
                            NCBLIT_DEFAULT, NCSCALE_NONE)){
-    return EXIT_FAILURE;
+    goto err;
   }
   if(ncdirect_render_image(n, "../data/warmech.bmp", NCALIGN_LEFT,
                            NCBLIT_DEFAULT, NCSCALE_NONE)){
-    return EXIT_FAILURE;
+    goto err;
   }
   if(ncdirect_stop(n)){
     return EXIT_FAILURE;
   }
   return EXIT_SUCCESS;
+
+err:
+  ncdirect_stop(n);
+  return EXIT_FAILURE;
 }