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Fix crash in container_descendants()

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If root is a C_VIEW, the children property is a null pointer.
This commit is contained in:
Ryan Dwyer 2018-04-24 12:27:04 +10:00
parent 82cb379727
commit 22b9169631
1 changed files with 4 additions and 3 deletions
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7
sway/tree/container.c
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@ -355,14 +355,15 @@ struct sway_container *container_view_create(struct sway_container *sibling,
void container_descendants(struct sway_container *root, void container_descendants(struct sway_container *root,
enum sway_container_type type, enum sway_container_type type,
void (*func)(struct sway_container *item, void *data), void *data) { void (*func)(struct sway_container *item, void *data), void *data) {
if (!root->children || !root->children->length) {
return;
}
for (int i = 0; i < root->children->length; ++i) { for (int i = 0; i < root->children->length; ++i) {
struct sway_container *item = root->children->items[i]; struct sway_container *item = root->children->items[i];
if (item->type == type) { if (item->type == type) {
func(item, data); func(item, data);
} }
if (item->children && item->children->length) { container_descendants(item, type, func, data);
container_descendants(item, type, func, data);
}
} }
} }