ask_yn works perfectly without read -n!

spells/cantrips/ask_yn

@@ -10,20 +10,24 @@ else
     prompt="${question} (y/N)? "
 fi
 
-# Save previous stty config
+# Save stty configuration
 old_stty_cfg=$(stty -g)
 
-# Handle Ctrl-C
-trap "stty '$old_stty_cfg'; printf '\n'; exit 2" 2
-
 # Use stty to make read command work for single character input
 stty raw -echo 
 printf "%s" "$prompt" >&2
-while IFS= read -r -n1 answer
+while true
 do
-    if [ "$answer" = "" ] || echo "$answer" | grep -iq "^y\|^n"
-    then
+    answer=$(head -c 1)
+    if [ "$answer" = $'\n' ] || [ "$answer" = $'\r' ]; then
+        answer=""
+        break
+    elif printf "%s" "$answer" | grep -iq "^y\|^n"; then
         break
+    elif [ "$answer" = $'\003' ]; then
+        stty "$old_stty_cfg"
+        printf '\n'
+        exit 2
     fi
 done
 stty "$old_stty_cfg" >&2 # Restore original stty configuration