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by JdeBP
3437 days ago
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It wasn't really anything to do with the language, and far more to do with the operating system kernel API. The fchown() system call supports passing -1, cast to the appropriate type, as a no-op value. The systemd people were attempting to wrap similar semantics around fchmod(). Originally in 2014 M. Sievers specified (mode_t)0 as the no-op value, which wasn't a good choice, with M. Poettering changing it to (mode_t)-1 in 2015 but overlooking one place where the value remained tested against 0. * https://github.com/systemd/systemd/commit/c38dfac9ed6c1c3beb... |
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* https://github.com/systemd/systemd/blob/v232/src/udev/udev-r...