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-rw-r--r--common/tags.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/common/tags.c b/common/tags.c
index 03765272df..c722d5d89c 100644
--- a/common/tags.c
+++ b/common/tags.c
@@ -61,6 +61,19 @@ void mp_tags_clear(struct mp_tags *tags)
talloc_free_children(tags);
}
+struct mp_tags *mp_tags_dup(void *tparent, struct mp_tags *tags)
+{
+ struct mp_tags *new = talloc_zero(tparent, struct mp_tags);
+ MP_RESIZE_ARRAY(new, new->keys, tags->num_keys);
+ MP_RESIZE_ARRAY(new, new->values, tags->num_keys);
+ new->num_keys = tags->num_keys;
+ for (int n = 0; n < tags->num_keys; n++) {
+ new->keys[n] = talloc_strdup(new, tags->keys[n]);
+ new->values[n] = talloc_strdup(new, tags->values[n]);
+ }
+ return new;
+}
+
void mp_tags_merge(struct mp_tags *tags, struct mp_tags *src)
{
for (int n = 0; n < src->num_keys; n++)