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    SubjectRe: [PATCH] strings: helper for maximum decimal encoding of an unsigned integer
    Jan Engelhardt wrote:

    Your way does not function as originally desired.

    * base10len(i) no longer expands to a compile-time constant

    * you will definitely have a variable base10len_vals in your
    objects, so you waste a read operation whenever it is used.

    No, I meant my original way:
    #define base10len(i) (sizeof(i) * 8 * 3 / 10 + 1)

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