Amend #3043 by allowing a longer hostname and simplifying the code.#3044
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loriab
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Sep 3, 2023
| // host name has up to HOST_NAME_MAX (64 or 256) + 1 bytes, and must end in the null byte | ||
| std::vector<char> name(257); | ||
| error = gethostname(name.data(), name.size()); | ||
| if (error) strncpy(name.data(), "nohostname", name.size()); |
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I wasn't sure about 11 -> name.size() here, but https://cplusplus.com/reference/cstring/strncpy/ convinced me that it's doing the padding right.
overall, lgtm. any concerns, @zachglick ?
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no concerns, I agree this is a better way to do things. thanks Susi!
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Description
Improvements discussed in a comment to #3043. The 64-character limit may not be valid on all architectures; this PR should avoid having to revisit the patch.
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