treewide: fix typos

src/backend.h

@@ -11,7 +11,7 @@ enum backend_result {
   BACKEND_SUCCESS = 0,
 
   /* Represents a bad file or path, implies that other backends would also fail
-   * and shouln't be tried.
+   * and shouldn't be tried.
    */
   BACKEND_BAD_PATH = 1,
 

src/list.h

@@ -23,7 +23,7 @@ void list_deep_free(struct list *list);
 /* Append an item to the list. Automatically resizes the list if needed */
 void list_append(struct list *list, void *item);
 
-/* Grow the list's storage to a given size, useful for avoiding unneccessary
+/* Grow the list's storage to a given size, useful for avoiding unnecessary
  * reallocations prior to inserting many items
  */
 void list_grow(struct list *list, size_t min_size);

src/viewport.c

@@ -142,7 +142,7 @@ void imv_viewport_zoom(struct imv_viewport *view, const struct imv_image *image,
   const int image_width = imv_image_width(image);
   const int image_height = imv_image_height(image);
 
-  /* x and y cordinates are relative to the image */
+  /* x and y coordinates are relative to the image */
   if(src == IMV_ZOOM_MOUSE) {
     input_xy_to_render_xy(view, &mouse_x, &mouse_y);
     x = mouse_x - view->x;

test/navigator.c

@@ -24,7 +24,7 @@ static void test_navigator_add_remove(void **state)
   /* Check poll_changed */
   assert_false(imv_navigator_poll_changed(nav));
 
-  /* Add 6 paths, one non-existant should fail */
+  /* Add 6 paths, one non-existent should fail */
   assert_false(imv_navigator_add(nav, FILENAME1, 0));
   assert_false(imv_navigator_add(nav, FILENAME2, 0));
   assert_false(imv_navigator_add(nav, FILENAME3, 0));