grep: move logic to compile header pattern into a separate helper

diff --git a/object.c b/object.c
index 3ca92c4c4def46af10556dbe9b3f48774b9a4a35..2eda53cc6144430f5fcf4b93e80fac9b9e147bfd 100644 (file)
--- a/object.c
+++ b/object.c
@@ -211,10 +211,10 @@ struct object_list *object_list_insert(struct object *item,
                                       struct object_list **list_p)
 {
        struct object_list *new_list = xmalloc(sizeof(struct object_list));
-        new_list->item = item;
-        new_list->next = *list_p;
-        *list_p = new_list;
-        return new_list;
+       new_list->item = item;
+       new_list->next = *list_p;
+       *list_p = new_list;
+       return new_list;
 }
 
 int object_list_contains(struct object_list *list, struct object *obj)
@@ -252,10 +252,10 @@ void add_object_array_with_mode(struct object *obj, const char *name, struct obj
 
 void object_array_remove_duplicates(struct object_array *array)
 {
-       int ref, src, dst;
+       unsigned int ref, src, dst;
        struct object_array_entry *objects = array->objects;
 
-       for (ref = 0; ref < array->nr - 1; ref++) {
+       for (ref = 0; ref + 1 < array->nr; ref++) {
                for (src = ref + 1, dst = src;
                     src < array->nr;
                     src++) {