fix some typos

src/sdl2/audio.rs

@@ -106,7 +106,7 @@ impl AudioSubsystem {
     pub fn num_audio_playback_devices(&self) -> Option<u32> {
         let result = unsafe { sys::SDL_GetNumAudioDevices(0) };
         if result < 0 {
-            // SDL cannot retreive a list of audio devices. This is not necessarily an error (see the SDL2 docs).
+            // SDL cannot retrieve a list of audio devices. This is not necessarily an error (see the SDL2 docs).
             None
         } else {
             Some(result as u32)
@@ -330,7 +330,7 @@ where Self::Channel: AudioFormatNum + 'static
     fn callback(&mut self, &mut [Self::Channel]);
 }
 
-/// A phantom type for retreiving the `SDL_AudioFormat` of a given generic type.
+/// A phantom type for retrieving the `SDL_AudioFormat` of a given generic type.
 /// All format types are returned as native-endian.
 pub trait AudioFormatNum {
     fn audio_format() -> AudioFormat;

src/sdl2/controller.rs

@@ -45,7 +45,7 @@ impl error::Error for AddMappingError {
 }
 
 impl GameControllerSubsystem {
-    /// Retreive the total number of attached joysticks *and* controllers identified by SDL.
+    /// Retrieve the total number of attached joysticks *and* controllers identified by SDL.
     pub fn num_joysticks(&self) -> Result<u32, String> {
         let result = unsafe { sys::SDL_NumJoysticks() };
 
@@ -67,7 +67,7 @@ impl GameControllerSubsystem {
 
     /// Attempt to open the controller ad index `joystick_index` and return it.
     /// Controller IDs are the same as joystick IDs and the maximum number can
-    /// be retreived using the `SDL_NumJoysticks` function.
+    /// be retrieved using the `SDL_NumJoysticks` function.
     pub fn open(&self, joystick_index: u32) -> Result<GameController, IntegerOrSdlError> {
         use common::IntegerOrSdlError::*;
         let joystick_index = try!(validate_int(joystick_index, "joystick_index"));

src/sdl2/event.rs

@@ -1160,7 +1160,7 @@ impl Event {
                     timestamp: timestamp,
                     which: which,
                     // This conversion turns an i32 into a u8; signed-to-unsigned conversions
-                    // are a bit of a code smellx, but that appears to be how SDL defines it.
+                    // are a bit of a code smell, but that appears to be how SDL defines it.
                     button: buttonval as u8,
                     state: sys::SDL_PRESSED as u8,
                     padding1: 0,

src/sdl2/gfx/rotozoom.rs

@@ -40,7 +40,7 @@ mod ll {
 pub trait RotozoomSurface {
     /// Rotates and zooms a surface and optional anti-aliasing.
     fn rotozoom(&self, angle: f64, zoom: f64, smooth: bool) -> Result<Surface, String>;
-    /// Rotates and zooms a surface with different horizontal and vertival scaling factors and optional anti-aliasing.
+    /// Rotates and zooms a surface with different horizontal and vertical scaling factors and optional anti-aliasing.
     fn rotozoom_xy(&self, angle: f64, zoomx: f64, zoomy: f64, smooth: bool) -> Result<Surface, String>;
     /// Zoom a surface by independent horizontal and vertical factors with optional smoothing.
     fn zoom(&self, zoomx: f64, zoomy: f64, smooth: bool) -> Result<Surface, String>;

src/sdl2/image/mod.rs

@@ -172,7 +172,7 @@ impl<T> LoadTexture for TextureCreator<T> {
     }
 }
 
-/// Context manager for `sdl2_image` to manage quiting. Can't do much with it but
+/// Context manager for `sdl2_image` to manage quitting. Can't do much with it but
 /// keep it alive while you are using it.
 pub struct Sdl2ImageContext;
 

src/sdl2/joystick.rs

@@ -9,7 +9,7 @@ use libc::c_char;
 use common::{validate_int, IntegerOrSdlError};
 
 impl JoystickSubsystem {
-    /// Retreive the total number of attached joysticks *and* controllers identified by SDL.
+    /// Retrieve the total number of attached joysticks *and* controllers identified by SDL.
     pub fn num_joysticks(&self) -> Result<u32, String> {
         let result = unsafe { sys::SDL_NumJoysticks() };
 
@@ -125,7 +125,7 @@ impl Joystick {
         }
     }
 
-    /// Retreive the joystick's GUID
+    /// Retrieve the joystick's GUID
     pub fn guid(&self) -> Guid {
         let raw = unsafe { sys::SDL_JoystickGetGUID(self.raw) };
 
@@ -139,7 +139,7 @@ impl Joystick {
         }
     }
 
-    /// Retreive the number of axes for this joystick
+    /// Retrieve the number of axes for this joystick
     pub fn num_axes(&self) -> u32 {
         let result = unsafe { sys::SDL_JoystickNumAxes(self.raw) };
 
@@ -178,7 +178,7 @@ impl Joystick {
         }
     }
 
-    /// Retreive the number of buttons for this joystick
+    /// Retrieve the number of buttons for this joystick
     pub fn num_buttons(&self) -> u32 {
         let result = unsafe { sys::SDL_JoystickNumButtons(self.raw) };
 
@@ -219,7 +219,7 @@ impl Joystick {
         }
     }
 
-    /// Retreive the number of balls for this joystick
+    /// Retrieve the number of balls for this joystick
     pub fn num_balls(&self) -> u32 {
         let result = unsafe { sys::SDL_JoystickNumBalls(self.raw) };
 
@@ -248,7 +248,7 @@ impl Joystick {
         }
     }
 
-    /// Retreive the number of balls for this joystick
+    /// Retrieve the number of balls for this joystick
     pub fn num_hats(&self) -> u32 {
         let result = unsafe { sys::SDL_JoystickNumHats(self.raw) };
 
@@ -346,7 +346,7 @@ impl Guid {
         }
 
         // The buffer should always be NUL terminated (the
-        // documentation doesn't explicitely say it but I checked the
+        // documentation doesn't explicitly say it but I checked the
         // code)
         if c_str.is_null() {
             String::new()

src/sdl2/mixer/mod.rs

@@ -964,7 +964,7 @@ impl<'a> Music<'a> {
     pub fn unhook_finished() {
         unsafe {
             ffi::Mix_HookMusicFinished(None);
-            // unset from c, then rust, to avoid race condiction
+            // unset from c, then rust, to avoid race condition
             MUSIC_FINISHED_HOOK = None;
         }
     }

src/sdl2/video.rs

@@ -40,7 +40,7 @@ impl<'a> DerefMut for WindowSurfaceRef<'a> {
 impl<'a> WindowSurfaceRef<'a> {
     /// Updates the change made to the inner Surface to the Window it was created from.
     ///
-    /// This would effectively be the theorical equivalent of `present` from a Canvas.
+    /// This would effectively be the theoretical equivalent of `present` from a Canvas.
     pub fn update_window(&self) -> Result<(), String> {
         unsafe {
             if sys::SDL_UpdateWindowSurface(self.1.context.raw) == 0 {