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> I was wondering why Lua's string.format() limits the width and precision fields to two digits. E.g. this doesn't work in Lua because we use a width of 100 (99 works fine):
>     string.format('%100s', 'hello world')
> Is there any particular reason why Lua imposes this limit on string.format()? I'm just wondering because this restriction sometimes makes it difficult to port C code to Lua.

It is a simple and secure way to limit the maximum size of formatted
items, to avoid buffer overflow. (Do you really need larger values?)

See comments around [1].


-- Roberto