fixed merge

libkeke_array.c

@@ -200,8 +200,16 @@ void keke_array_qsort_header(KekeArray *array, size_t start_header_size) {
 
 // requires pre-sorted arrays
 KekeArray *keke_array_merge(KekeArray *a, KekeArray *b) {
-	if(a->len == 0) return keke_array_clone(b);
-	if(b->len == 0) return keke_array_clone(a);
+	if(a->len == 0) {
+		KekeArray *r = keke_array_clone(b);
+		keke_array_set_len(b, 0);
+		return r;
+	}
+	if(b->len == 0) {
+		KekeArray *r = keke_array_clone(a);
+		keke_array_set_len(a, 0);
+		return r;
+	}
 	keke_array_reverse(a);
 	keke_array_reverse(b);
 	if(a->type_size != b->type_size) return NULL;

test_array.c

@@ -143,14 +143,14 @@ int main(void) {
 
 	keke_array_foreach(array, set);
 	keke_array_qsort_header(array, sizeof(int));
-	/*keke_array_foreach(array, output);
-	puts("\n");
-	keke_array_foreach(array2, output);
-	puts("\n");*/
 	KekeArray *array5 = keke_array_merge(array, array2);
 	printf("Expected value:\n0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 5, 6, 7, 8, 9,\n");
 	keke_array_foreach(array5, output);
 	puts("\n");
+	keke_array_foreach(array, output);
+	puts("\n");
+	keke_array_foreach(array2, output);
+	puts("\n");
 
     keke_array_free(array);
     keke_array_free(array2);