Tim Schumacher d7797c8bf8 Userland: Treat inet_pton returning 0 as an error ...

The POSIX man-page states that inet_pton returns 0 if the input is not a
valid IPv4 dotted-decimal string or a valid IPv6 address string. This is
also how it is implemented in SerenityOS.

This means that we should treat a return value of 0 as an error to avoid
using an invalid address (or 0.0.0.0).

2021-05-27 22:56:21 +02:00

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