diff options
Diffstat (limited to 'render')
-rw-r--r-- | render/box.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/render/box.c b/render/box.c index e707e680f..64b225bce 100644 --- a/render/box.c +++ b/render/box.c @@ -2925,8 +2925,9 @@ struct box *box_object_at_point(struct content *c, int x, int y) return object_box; } + /** - * Find a box based upon its id attribute + * Find a box based upon its id attribute. * * \param box box to search * \param id id to look for @@ -2936,11 +2937,11 @@ struct box *box_find_by_id(struct box *box, const char *id) { struct box *a, *b; - if (strcmp(id, box->id) == 0) + if (box->id != NULL && strcmp(id, box->id) == 0) return box; for (a = box->children; a; a = a->next) { - if ((b = box_find_by_id(a, id)) != 0) + if ((b = box_find_by_id(a, id)) != NULL) return b; } |