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Matt Stancliff authored
This replaces the old intlen() implementation with a slightly faster way of counting digits. Implementation taken from the same place where digits10() in redis/src/util.c came from. The old 'intlen' allowed negative inputs, but no usage in hiredis was passing negative numbers, so that ability is removed. Also, the new implementation can count higher (uint64_t) instead of limited to just int as before. Fixes #295 by replacing implementation
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