From 22773f644a9f39a4656f1ca2f21675ab4c7a90c8 Mon Sep 17 00:00:00 2001
From: Fenrir <fenrirwolf@gmail.com>
Date: Wed, 14 Feb 2024 14:11:58 -0700
Subject: [PATCH 1/2] Store initial_text data in SoftwareKeyboard

---
 ctru-rs/src/applets/swkbd.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/ctru-rs/src/applets/swkbd.rs b/ctru-rs/src/applets/swkbd.rs
index 41d40cd..b1c4a28 100644
--- a/ctru-rs/src/applets/swkbd.rs
+++ b/ctru-rs/src/applets/swkbd.rs
@@ -22,6 +22,7 @@ pub struct SoftwareKeyboard {
     state: Box<SwkbdState>,
     callback: Option<Box<CallbackFunction>>,
     error_message: Option<CString>,
+    initial_text: Option<CString>,
 }
 
 /// Configuration structure to setup the Parental Lock applet.
@@ -233,6 +234,7 @@ impl SoftwareKeyboard {
                 state,
                 callback: None,
                 error_message: None,
+                initial_text: None,
             }
         }
     }
@@ -503,8 +505,12 @@ impl SoftwareKeyboard {
     #[doc(alias = "swkbdSetInitialText")]
     pub fn set_initial_text(&mut self, text: &str) {
         unsafe {
-            let nul_terminated: String = text.chars().chain(once('\0')).collect();
-            ctru_sys::swkbdSetInitialText(self.state.as_mut(), nul_terminated.as_ptr());
+            self.initial_text = Some(CString::new(text).unwrap());
+
+            ctru_sys::swkbdSetInitialText(
+                self.state.as_mut(),
+                self.initial_text.as_ref().unwrap().as_ptr(),
+            );
         }
     }
 

From 9eea3f0d1f92fed4e473540347aff627fa4389e3 Mon Sep 17 00:00:00 2001
From: Fenrir <fenrirwolf@gmail.com>
Date: Thu, 15 Feb 2024 13:17:27 -0700
Subject: [PATCH 2/2] Make initial text argument optional

This allows the user to clear the initial_text field by supplying a
`None`
---
 ctru-rs/src/applets/swkbd.rs | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/ctru-rs/src/applets/swkbd.rs b/ctru-rs/src/applets/swkbd.rs
index b1c4a28..9dd75d1 100644
--- a/ctru-rs/src/applets/swkbd.rs
+++ b/ctru-rs/src/applets/swkbd.rs
@@ -499,18 +499,23 @@ impl SoftwareKeyboard {
     /// use ctru::applets::swkbd::SoftwareKeyboard;
     /// let mut keyboard = SoftwareKeyboard::default();
     ///
-    /// keyboard.set_initial_text("Write here what you like!");
+    /// keyboard.set_initial_text(Some("Write here what you like!"));
     /// #
     /// # }
     #[doc(alias = "swkbdSetInitialText")]
-    pub fn set_initial_text(&mut self, text: &str) {
-        unsafe {
-            self.initial_text = Some(CString::new(text).unwrap());
+    pub fn set_initial_text(&mut self, text: Option<&str>) {
+        if let Some(text) = text {
+            let initial_text = CString::new(text).unwrap();
 
-            ctru_sys::swkbdSetInitialText(
-                self.state.as_mut(),
-                self.initial_text.as_ref().unwrap().as_ptr(),
-            );
+            unsafe {
+                ctru_sys::swkbdSetInitialText(self.state.as_mut(), initial_text.as_ptr());
+            }
+
+            self.initial_text = Some(initial_text);
+        } else {
+            unsafe { ctru_sys::swkbdSetInitialText(self.state.as_mut(), std::ptr::null()) };
+
+            self.initial_text = None;
         }
     }