runtime: Add freestanding functions to get/set/delete UEFI variables #1250
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The new version of
get_variable
returns the required size in the error data if the input buffer is too small. This allowsget_variable_boxed
to usemake_boxed
, and also makesget_variable_size
unnecessary.Also:
Align
for[u8]
to allowmake_boxed
to work here.(Note:
variable_keys
function to come in a later PR.)Checklist