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return false instead of crashing when invalid addresses are passed to ddsi_is_mcaddr/ddsi_is_ssm_mcaddr

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Signed-off-by: Erik Boasson <eb@ilities.com>
This commit is contained in:
Erik Boasson 2018-08-05 13:05:07 +02:00 • committed by eboasson
parent bb8d3d808c
commit 48d770d40f
1 changed files with 2 additions and 2 deletions
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4
src/core/ddsi/src/ddsi_tran.c
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@ -247,13 +247,13 @@ int ddsi_is_mcaddr (const nn_locator_t *loc)
{
/* FIXME: should set m_is_mcaddr_fn to a function returning false if transport doesn't provide an implementation, and get rid of the test */
ddsi_tran_factory_t tran = ddsi_factory_find_supported_kind(loc->kind);
return tran->m_is_mcaddr_fn ? tran->m_is_mcaddr_fn (tran, loc) : 0;
return tran && tran->m_is_mcaddr_fn ? tran->m_is_mcaddr_fn (tran, loc) : 0;
}
int ddsi_is_ssm_mcaddr (const nn_locator_t *loc)
{
ddsi_tran_factory_t tran = ddsi_factory_find_supported_kind(loc->kind);
return tran->m_is_ssm_mcaddr_fn ? tran->m_is_ssm_mcaddr_fn (tran, loc) : 0;
return tran && tran->m_is_ssm_mcaddr_fn ? tran->m_is_ssm_mcaddr_fn (tran, loc) : 0;
}
enum ddsi_nearby_address_result ddsi_is_nearby_address (const nn_locator_t *loc, size_t ninterf, const struct nn_interface interf[])