implement suggestions + cleanup

ctru-rs/src/error.rs

@@ -96,6 +96,8 @@ pub enum Error {
     },
     /// An error that doesn't fit into the other categories.
     Other(String),
+    /// UTF-8 buffer to [String] conversion error
+    Utf8(std::string::FromUtf8Error),
 }
 
 impl Error {
@@ -137,6 +139,12 @@ impl From<ResultCode> for Error {
     }
 }
 
+impl From<std::string::FromUtf8Error> for Error {
+    fn from(err: std::string::FromUtf8Error) -> Self {
+        Error::Utf8(err)
+    }
+}
+
 impl fmt::Debug for Error {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match self {
@@ -157,6 +165,7 @@ impl fmt::Debug for Error {
                 .field("wanted", wanted)
                 .finish(),
             Self::Other(err) => f.debug_tuple("Other").field(err).finish(),
+            Self::Utf8(e) => f.debug_tuple("Utf8").field(e).finish(),
         }
     }
 }
@@ -181,6 +190,7 @@ impl fmt::Display for Error {
             }
             Self::BufferTooShort{provided, wanted} => write!(f, "the provided buffer's length is too short (length = {provided}) to hold the wanted data (size = {wanted})"),
             Self::Other(err) => write!(f, "{err}"),
+            Self::Utf8(e) => write!(f, "UTF-8 conversion error: {e}")
         }
     }
 }

ctru-rs/src/services/ac.rs

@@ -1,7 +1,4 @@
 use crate::error::ResultCode;
-use std::ffi::CString;
-use std::io::Write;
-use std::marker::PhantomData;
 pub struct Ac(());
 
 impl Ac {
@@ -43,7 +40,7 @@ impl Ac {
     /// let ac = Ac::new()?;
     ///
     /// println!("Waiting for an internet connection...");
-    /// ac.wait_for_internet_connection()?;
+    /// ac.wait_internet_connection()?;
     /// println!("Connected.");
     /// #
     /// # Ok(())
@@ -143,7 +140,7 @@ impl Ac {
             let mut vec = vec![0u8; len as usize];
             ResultCode(ctru_sys::ACU_GetSSID(vec.as_mut_ptr()))?;
             // how do i handle this error?
-            Ok(String::from_utf8(vec).unwrap())
+            Ok(String::from_utf8(vec)?)
         }
     }
 
@@ -234,7 +231,7 @@ impl Ac {
             ResultCode(ctru_sys::ACU_GetProxyUserName(vec.as_mut_ptr()))?;
 
             // how do i handle this error?
-            Ok(String::from_utf8(vec).unwrap())
+            Ok(String::from_utf8(vec)?)
         }
     }
 
@@ -265,7 +262,7 @@ impl Ac {
             ResultCode(ctru_sys::ACU_GetProxyPassword(vec.as_mut_ptr()))?;
 
             // how do i handle this error?
-            Ok(String::from_utf8(vec).unwrap())
+            Ok(String::from_utf8(vec)?)
         }
     }
 
@@ -308,6 +305,7 @@ impl Drop for Ac {
 #[doc(alias = "acSecurityMode")]
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 #[repr(u32)]
+#[non_exhaustive]
 pub enum SecurityMode {
     Open = 0,
     WEP40Bit = 1,