diff options
| -rw-r--r-- | lib/edi/common.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/edi/common.cpp b/lib/edi/common.cpp index c892425..470b3ba 100644 --- a/lib/edi/common.cpp +++ b/lib/edi/common.cpp @@ -242,7 +242,9 @@ decode_state_t TagDispatcher::decode_afpacket( return {false, 0}; } - if (m_last_seq + (uint16_t)1 != seq) { + // SEQ wraps at 0xFFFF, unsigned integer overflow is intentional + const uint16_t expected_seq = m_last_seq + 1; + if (expected_seq != seq) { etiLog.level(warn) << "EDI AF Packet sequence error, " << seq; } m_last_seq = seq; |