ceph master - src/common/options.cc - size_t / uint64_t incompatibility on ARM 32bit

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Hi List / James,


In the Ceph master (and also Ceph 14.2.1), file: src/common/options.cc, line # 192:

    Option::size_t sz{strict_iecstrtoll(val.c_str(), error_message)};


On ARM 32-bit, compiling with CLang 7.1.0, compilation fails hard at this line.


The reason is because strict_iecstrtoll() returns an uint64_t value, which has a different size that size_t on this architecture.

I think, since the intention is to convert a value in string format back to it's native type, that the strict_iecstrtoll() should return a size_t type, not an uint64_t type. What does everyone else think?


Thanks!

- Dyweni
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