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resolved: minor optimization for dns_question_is_equal()

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If the poinetrs are equal, we don't have to do a deep comparison.

This is similar to a similar optimization we already have in place for RRs and keys.
This commit is contained in:
Lennart Poettering 2016-01-18 20:22:45 +01:00
parent 0f7091e624
commit b6800689e0
1 changed files with 3 additions and 0 deletions
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src/resolve/resolved-dns-question.c
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@ -183,6 +183,9 @@ int dns_question_is_equal(DnsQuestion *a, DnsQuestion *b) {
unsigned j;
int r;
if (a == b)
return 1;
if (!a)
return !b || b->n_keys == 0;
if (!b)