[OpenWrt-Devel] Using "-" in section names

[Jo-Philipp Wich]

> So, it shouldn't be necessary with the C implementation?

Correct, but that cannot be changed without breaking support for legacy
APIs.

> 
>> Simply replacing dashes with underscores is not possible either as this
>> would lead to ambiguous results.
> 
> Yes, I've got exactly this problem: the name of a section is supposed to
> be a physical interface name.  But both "-" and "_" are valid characters
> in the name of an interface on Linux, so it would be ambiguous to convert
> one to the other.

Even if "-" would be allowed you'd still need to deal with "@", ".",
"#", ":" and other funny characters that are legal in ifnames.

The only suitable way using the existing syntax constraints is to use an
option value, similar to how /etc/config/network is structured e.g.
config interface; option name "eth0.1"

~ Jow
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