diff options
Diffstat (limited to 'common/tags.c')
-rw-r--r-- | common/tags.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/common/tags.c b/common/tags.c index ffedab9b24..f7e85ace3d 100644 --- a/common/tags.c +++ b/common/tags.c @@ -83,19 +83,27 @@ 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]); - } + mp_tags_replace(new, tags); return new; } +void mp_tags_replace(struct mp_tags *dst, struct mp_tags *src) +{ + mp_tags_clear(dst); + MP_RESIZE_ARRAY(dst, dst->keys, src->num_keys); + MP_RESIZE_ARRAY(dst, dst->values, src->num_keys); + dst->num_keys = src->num_keys; + for (int n = 0; n < src->num_keys; n++) { + dst->keys[n] = talloc_strdup(dst, src->keys[n]); + dst->values[n] = talloc_strdup(dst, src->values[n]); + } +} + // Return a copy of the tags, but containing only keys in list. Also forces // the order and casing of the keys (for cosmetic reasons). // A trailing '*' matches the rest. |