Completed insertion sort

insertion_sort.c

@@ -10,4 +10,44 @@
  *-----------------------------------------------------------------------------
 */
 
-#include "insertion_sort.h"
+#include "insertion_sort.h"
+
+/**
+ * Sorts the given list according to the insertion sort strategy.
+ * 
+ * @param list The list to be sorted.
+ * @param criterion The pointer to the function that implements the sorting criterion.
+ * That function accepts two integer parameters and returns a boolean value.
+ */
+void insertion_sort_list(IntList list, criterion_fn criterion) {
+    if (!list_is_valid(list) || criterion == 0) {
+        return;
+    }
+    
+    int size = list_get_size(list);
+    if (size <= 1) {
+        return;
+    }
+    
+    for (int i = 1; i < size; i++) {
+        int current = list_get_at(list, i);
+        int j = i - 1;
+        
+        while (j >= 0 && !criterion(list_get_at(list, j), current)) {
+            list_swap(list, j, j + 1);
+            j--;
+        }
+    }
+}
+
+/**
+ * Sorts the given array according to the insertion sort strategy.
+ * 
+ * @param array The array to be sorted.
+ * @param length The length of the array.
+ * @param criterion The pointer to the function that implements the sorting criterion.
+ * That function accepts two integer parameters and returns a boolean value.
+ */
+void insertion_sort_array(int array[], int length, criterion_fn criterion) {
+
+}

insertion_sort.h

@@ -24,7 +24,7 @@
  * @param criterion The pointer to the function that implements the sorting criterion.
  * That function accepts two integer parameters and returns a boolean value.
  */
-void insertion_sort_list(<params>);
+void insertion_sort_list(IntList list, criterion_fn criterion);
 
 /**
  * Sorts the given array according to the insertion sort strategy.
@@ -34,6 +34,6 @@ void insertion_sort_list(<params>);
  * @param criterion The pointer to the function that implements the sorting criterion.
  * That function accepts two integer parameters and returns a boolean value.
  */
-void insertion_sort_array(<params>);
+void insertion_sort_array(int array[], int length, criterion_fn criterion);
 
 #endif