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3 Commits

Author SHA1 Message Date
Philip Prindeville
6cdc429a48 base-files: ipcalc.sh: Add prefix-to-netmask conversion 
Seems like it might be used in other places, so factor it into the
library.

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
 2023-12-12 12:30:35 -07:00
Philip Prindeville
f0612c0d84 base-files: ipcalc.sh: Add some commentary, etc. 
Explain some of the more obscure logic, or where we deviate from
what the original awk code did.  Also, give a count of the usable
addresses on the subnet.

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
 2023-12-12 12:30:35 -07:00
Philip Prindeville
854739b32c base-files: ipcalc.sh: Rewrite in pure shell 
Also add better error checking on input.

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
 2023-12-12 12:30:35 -07:00