shithub: moonfish

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remove undefined behavior

--- a/search.c

+++ b/search.c

@@ -211,7 +211,7 @@

 		}

 	}

-	qsort(node->children, child_count, sizeof *node, &moonfish_compare);

+	if (child_count > 0) qsort(node->children, child_count, sizeof *node, &moonfish_compare);

 	if (child_count == 0 && node->children != NULL) free(node->children);

 	node->count = child_count;

 }

@@ -441,7 +441,7 @@

 #endif

-	qsort(root->node.children, root->node.count, sizeof root->node, &moonfish_compare);

+	if (root->node.count > 0) qsort(root->node.children, root->node.count, sizeof root->node, &moonfish_compare);

 	moonfish_node_move(root->node.children, &root->chess, &result->move);

 	result->score = root->node.score;

 	result->node_count = root->node.visits;

-- 

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