libcore: Add a smattering of POSIX error codes to the libc module. #5969
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By the way, there's a full list at http://pubs.opengroup.org/onlinepubs/9699919799/ (errno page) and it seems that only ENOTRECOVERABLE and EOWNERDEAD weren't around from the start (added in POSIX 2008). |
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needs per-os definitions; best to augment the etc/libc.c file with the errno values you want to extract |
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@pcwalton you are the master of bitrot it seems 😆 |
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Closing old PRs. |
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Add new lint `unnecessary_wrap` Fixes rust-lang#5969 changelog: New lint [`unnecessary_wraps`]
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r? @graydon
I'm not sure which POSIX revision this is, or even admittedly if the constant values are specified at all…
Nevertheless, this will be needed for the new I/O subsystem, which aims to do things right and actually report the errors in an actionable way.