lib: add replace method for arrays.

src/structures/array.c

@@ -121,7 +121,7 @@ cry_array_insert(struct CryArray* array, size_t index, pointer data, size_t size
 {
 	assert(array != 0);
 
-        if(index > array->length)
+        if(index >= array->length)
                 return CRY_OUT_OF_INDEX_RANGE;
 
 	cry_array_ensure(array, array->length + size);
@@ -135,13 +135,25 @@ cry_array_insert(struct CryArray* array, size_t index, pointer data, size_t size
 }
 
 
+return_code		
+cry_array_replace(struct CryArray* array, size_t index, pointer data, size_t size)
+{
+        assert(array != 0);
+
+        if(index >= array->length && index + size > array->length)
+                return CRY_OUT_OF_INDEX_RANGE;
+
+        cry_array_ensure(array, array->length + size);
+
+        memcpy(array->data + index, data, size);
+}
 
 return_code
 cry_array_remove(struct CryArray* array, size_t index, size_t size)
 {
 	assert(array != 0);
 
-	if(index > array->length)
+	if(index >= array->length)
 		return CRY_OUT_OF_INDEX_RANGE;
 
 	memmove(array->data + index, array->data + index + size, array->length - index - size);
@@ -260,7 +272,7 @@ cry_ptr_array_insert(struct CryPtrArray* array, size_t index, pointer ptr)
 {
 	assert(array != 0);
 
-	if(index > array->length)
+	if(index >= array->length)
 		return CRY_OUT_OF_INDEX_RANGE;
 
 	cry_ptr_array_ensure(array, array->length + 1); 
@@ -275,15 +287,30 @@ cry_ptr_array_insert(struct CryPtrArray* array, size_t index, pointer ptr)
 }
 
 
+pointer			
+cry_ptr_array_replace(struct CryPtrArray* array, size_t index, pointer ptr)
+{
+        assert(array != 0);
+
+        if(index >= array->length)
+                return 0;
+
+        pointer data = *(array->data + index);
+
+        *(array->data + index) = ptr;
+
+        return data;
+}
+
 pointer                
 cry_ptr_array_remove(struct CryPtrArray* array, size_t index)
 {
 	assert(array != 0);
 
-	if(index > array->length)
+	if(index >= array->length)
 		return 0;
 
-	pointer data = array->data + index;
+	pointer data = *(array->data + index);
 
 	memmove(array->data + index, array->data + index + 1, (array->length - index - 1) * sizeof(pointer));
 

src/structures/array.h

@@ -54,6 +54,7 @@ size_t                  cry_array_trim(struct CryArray* array);
 void                    cry_array_append(struct CryArray* array, pointer data, size_t size);
 return_code             cry_array_insert(struct CryArray* array, size_t index, pointer data, size_t size);
 return_code             cry_array_remove(struct CryArray* array, size_t index, size_t size);
+return_code		cry_array_replace(struct CryArray* array, size_t index, pointer data, size_t size);
 
 pointer                 cry_array_get(struct CryArray* array, size_t index);
 
@@ -71,7 +72,8 @@ size_t                  cry_ptr_array_trim(struct CryPtrArray* array);
 
 void                    cry_ptr_array_append(struct CryPtrArray* array, pointer ptr);
 return_code             cry_ptr_array_insert(struct CryPtrArray* array, size_t index, pointer ptr);
-pointer                 cry_ptr_array_remove(struct CryPtrArray* array, size_t inndex);
+pointer                 cry_ptr_array_remove(struct CryPtrArray* array, size_t index);
+pointer			cry_ptr_array_replace(struct CryPtrArray* array, size_t index, pointer ptr);
 
 pointer                 cry_ptr_array_get(struct CryPtrArray* array, size_t index);