diff options
| -rw-r--r-- | src/resolve/resolved-dns-answer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-answer.c b/src/resolve/resolved-dns-answer.c index f1f4d909cc..92b9871dbb 100644 --- a/src/resolve/resolved-dns-answer.c +++ b/src/resolve/resolved-dns-answer.c @@ -271,6 +271,8 @@ void dns_answer_order_by_scope(DnsAnswer *a, bool prefer_link_local) { int dns_answer_reserve(DnsAnswer **a, unsigned n_free) { DnsAnswer *n; + assert(a); + if (n_free <= 0) return 0; @@ -285,6 +287,9 @@ int dns_answer_reserve(DnsAnswer **a, unsigned n_free) { if ((*a)->n_allocated >= ns) return 0; + /* Allocate more than we need */ + ns *= 2; + n = realloc(*a, offsetof(DnsAnswer, items) + sizeof(DnsAnswerItem) * ns); if (!n) return -ENOMEM; |