Use size of buffer instead of hard number
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@ -47,7 +47,7 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
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// https://en.wikipedia.org/wiki/MAC_Address_Anonymization
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addr2int |= (uint64_t) salt << 48; // prepend 16-bit salt to 48-bit MAC
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snprintf(macbuf, 21, "%llx", addr2int); // convert unsigned 64-bit salted MAC to 16 digit hex string
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snprintf(macbuf, sizeof(macbuf), "%llx", addr2int); // convert unsigned 64-bit salted MAC to 16 digit hex string
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hashedmac = rokkit(macbuf, 5); // hash MAC string, use 5 chars to fit hash in uint16_t container
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newmac = macs.insert(hashedmac); // add hashed MAC to total container if new unique
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added = newmac.second; // true if hashed MAC is unique in container
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@ -65,7 +65,7 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
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}
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if (added) { // first time seen this WIFI or BLE MAC
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snprintf(counter, 6, "%i", macs.size()); // convert 16-bit MAC counter to decimal counter value
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snprintf(counter, sizeof(counter), "%i", macs.size()); // convert 16-bit MAC counter to decimal counter value
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u8x8.draw2x2String(0, 0, counter); // display number on unique macs total Wifi + BLE
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ESP_LOGI(TAG, "%s RSSI %04d -> Hash %04x -> counted #%05i", typebuff, rssi, hashedmac, macs.size());
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} else { // already seen WIFI or BLE MAC
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