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Don't dereference vector if empty on RadioTapWriter

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Matias Fontanini
2017-05-30 19:45:20 -07:00
parent 2f528876ad
commit edd289c645
1 changed files with 1 additions and 1 deletions
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src/utils/radiotap_writer.cpp
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@@ -74,7 +74,7 @@ void RadioTapWriter::write_option(const RadioTap::option& option) {
}
parser.advance_field();
}
size_t offset = candidate_ptr - &*buffer_.begin();
size_t offset = is_empty ? 0 : candidate_ptr - &*buffer_.begin();
const RadioTapParser::FieldMetadata& meta = RadioTapParser::RADIOTAP_METADATA[bit];
vector<uint8_t> paddings = build_padding_vector(candidate_ptr, parser);