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(parent: 853dd3f) | patch
udp_multicast_example: better handling wrong addresses
authorgfrodo <gfrodo@users.noreply.github.com>
Mon, 10 Dec 2018 10:51:54 +0000 (11:51 +0100)
committerbot <bot@espressif.com>
Wed, 17 Apr 2019 06:52:23 +0000 (06:52 +0000)
commit269c4c74d29bacf7ba98bd0ca765cc34d9f37105
tree038aa5e59722b62a9d00ceb25e65157955eeba87tree | snapshot
parent853dd3ff7ade6273974acea191b35c9a89e7d678commit | diff
udp_multicast_example: better handling wrong addresses

inet_aton returns 0 on failure, but socket_add_ipv4_multicast_group has to return negative values for failures
getaddrinfo sets res to zero of address could not resolved, but doesn't necessarily return an
error. res is now checked for zero before dereferencing

Merges https://github.com/espressif/esp-idf/pull/2814
examples/protocols/sockets/udp_multicast/main/udp_multicast_example_main.c diff | blob | history
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