Re-introduced RAII semeantics for {Apt, Hid, Sdmc}

src/sdmc.rs

@@ -7,7 +7,7 @@ pub struct Sdmc {
 }
 
 impl Sdmc {
-    pub fn new() -> Result<Self, i32> {
+    pub fn new() -> Result<Sdmc, i32> {
         unsafe {
             let r = sdmcInit();
             if r < 0 {

src/services/apt.rs

@@ -51,13 +51,21 @@ impl From<apt::APT_AppStatus> for AppStatus {
 }
 
 pub struct Apt {
-    pd: PhantomData<()>,
+    pd: PhantomData<i32>
 }
 
 impl Apt {
-    pub fn new() -> Apt {
-        Apt { pd: PhantomData }
+    pub fn new() -> Result<Apt, i32> {
+        unsafe {
+            let r = apt::aptInit();
+            if r < 0 {
+                Err(r)
+            } else {
+                Ok(Apt { pd: PhantomData })
+            }
         }
+    }
+
 
     pub fn get_status(&self) -> AppStatus {
         unsafe { apt::aptGetStatus().into() }
@@ -88,3 +96,9 @@ impl Apt {
         }
     }
 }
+
+impl Drop for Apt {
+    fn drop(&mut self) {
+        unsafe { apt::aptExit() };
+    }
+}

src/services/hid.rs

@@ -74,12 +74,19 @@ impl From<PadKey> for u32 {
 }
 
 pub struct Hid {
-    pd: PhantomData<()>,
+    pd: PhantomData<i32>
 }
 
 impl Hid {
-    pub fn new() -> Hid {
-        Hid { pd: PhantomData }
+    pub fn new() -> Result<Hid, i32> {
+        unsafe {
+            let r = hid::hidInit();
+            if r < 0 {
+                Err(r)
+            } else {
+                Ok(Hid { pd: PhantomData })
+            }
+        }
     }
 
     pub fn scan_input(&mut self) {
@@ -119,3 +126,9 @@ impl Hid {
         }
     }
 }
+
+impl Drop for Hid {
+    fn drop(&mut self) {
+        unsafe { hid::hidExit() };
+    }
+}