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ldb: Make ldb_msg_remove_attr O(n)

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Previously it was O(n²).

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Joseph Sutton 2023-01-27 08:06:47 +13:00 committed by Andrew Bartlett
parent 598eaa3474
commit d5f053711b
1 changed files with 10 additions and 3 deletions
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13
lib/ldb/common/ldb_msg.c
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@ -1464,11 +1464,18 @@ void ldb_msg_remove_element(struct ldb_message *msg, struct ldb_message_element
*/
void ldb_msg_remove_attr(struct ldb_message *msg, const char *attr)
{
struct ldb_message_element *el;
unsigned int i;
unsigned int num_del = 0;
while ((el = ldb_msg_find_element(msg, attr)) != NULL) {
ldb_msg_remove_element(msg, el);
for (i = 0; i < msg->num_elements; ++i) {
if (ldb_attr_cmp(msg->elements[i].name, attr) == 0) {
++num_del;
} else if (num_del) {
msg->elements[i - num_del] = msg->elements[i];
}
}
msg->num_elements -= num_del;
}
/*