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Explain what decode_ui() should do with invalid input

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It can't signal an error, but it's worth documenting that it can
receive invalid input and should do what it can with it.  I assume
that failing to decode game_ui data from a newer version generally
won't be disastrous the way failing to decode a description or move
string would be.
This commit is contained in:
Ben Harris
2023-01-07 23:53:36 +00:00
parent 8c5279cf75
commit a45f1830cf
1 changed files with 4 additions and 1 deletions
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@ -891,7 +891,10 @@ source.)
This function parses a string previously output by \cw{encode_ui()}, This function parses a string previously output by \cw{encode_ui()},
and writes the decoded data back into the freshly-created \c{game_ui} and writes the decoded data back into the freshly-created \c{game_ui}
structure provided. structure provided. If the string is invalid, the function should do
the best it can, which might just mean not changing the \c{game_ui}
structure at all. This might happen if a save file is corrupted, or
simply from a newer version that encodes more \c{game_ui} data.
\S{backend-changed-state} \cw{changed_state()} \S{backend-changed-state} \cw{changed_state()}