M thing/src/thing.c → thing/src/thing.c

@@ -1,10 +1,10 @@
+#include <libthingterm/menu.h>
+#include <libthingterm/term.h>
+
 #include <stdio.h>
 #include <termios.h>
 
-#include <libthingterm/menu.h>
-#include <libthingterm/term.h>
-
-int main() {
+int main(void) {
   uint8_t ret = 0;
   struct termios old_term;
   setup_term(&old_term);
@@ -13,13 +13,17 @@ static char *elements[] = {"hi", "hello", "what's up", "dang",
                              "this is cool"};
 
   int seli = menu(elements, 5);
-  if (seli < 0) {
-    printf("ERROR: menu failed");
-    ret = 1;
-  }
 
   return_term(&old_term);
-  if (ret == 0) {
+
+  if (seli == -1) {
+    // menu was quit
+  } else if (seli < -1) {
+    // error
+    printf("ERROR: menu failed");
+    ret = seli;
+  } else {
+    // print selected item
     printf("%s", elements[seli]);
   }