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Don't add empty metadata to received messages

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This commit is contained in:
Martin Hurton 2014-05-02 09:00:48 +02:00
parent f721a7ad07
commit e95b477a87
1 changed files with 2 additions and 1 deletions
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3
src/mechanism.cpp
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@ -142,7 +142,8 @@ int zmq::mechanism_t::parse_metadata (const unsigned char *ptr_,
} }
if (zap_flag) { if (zap_flag) {
assert (metadata == NULL); assert (metadata == NULL);
metadata = new (std::nothrow) metadata_t (dict); if (!dict.empty ())
metadata = new (std::nothrow) metadata_t (dict);
} }
return 0; return 0;
} }