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Michał Kępień authored
If "edns-udp-size" is set in a "server" block matching the queried server, it is accounted for in the process of determining the advertised UDP buffer size, but its value may still be overridden before the query is sent. This behavior contradicts the ARM which claims that when set, the server-specific "edns-udp-size" value is used for all EDNS queries sent to a given server. Furthermore, calling dns_peer_getudpsize() with the "udpsize" variable as an argument makes the code hard to follow as that call may either update the value of "udpsize" or leave it untouched. Ensure the code matches the documentation by moving the dns_peer_getudpsize() call below all other blocks of code potentially affecting the advertised UDP buffer size, which is where it was located when server-specific "edns-udp-size" support was first implemented [1]. Improve code readability by calling dns_peer_getudpsize() with a helper variable instead of "udpsize". [1] see commit 1c153afc
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