l4re: change bit widths of file offset types#5173
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This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed. Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers. |
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This patch makes a few changes to the file offset types and routines that are made available under the `unix/linux_like/l4re` module. The current upstream definitions under x86_64 and AArch64 are unconditionally 64-bit. Then there's the fact there's only one target officially supported by rustc under L4Re, and that's x86_64.
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I'm pretty fine deprecating these since the platform has pretty low use, but we should figure out the other uclibc PR first. @SnoozeThis #5165 -> remove label S-blocked, add label S-waiting-on-review |
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(https://snoozeth.is/u1Hjq3aITKU) I will wait until #5165 is merged and then add label S-waiting-on-review and remove label S-blocked. @rustbot claim. |
| #[deprecated( | ||
| since = "0.2.187", | ||
| note = "Use `fsblkcnt_t` instead. The unsuffixed type is defined in terms of the suffixed type \ | ||
| upstream under the current target architecture (x86_64,) and support for suffixed \ | ||
| types is phasing out in the `libc` crate." | ||
| )] | ||
| pub type fsblkcnt64_t = c_ulong; |
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The arch is wrong here but these deprecation messages are more complicated than needed anyway. Let's keep things simple and point elsewhere if more info is required, e.g.:
Use
fsblkcnt_tinstead. LFS64 aliases are being phased out, see #4805.
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Description
This PR deprecates a number of symbols from the
unix/linux_like/l4remodule. This has also come with further deprecations and modifications in other top-level modules.At present, the definitions in upstream l4re-core are always 64-bit wide for the 64-bit targets we seem to support in this module. Though rustc only has support for x86_64 under this target OS.
Sources
Sources on the uClibc changes are documented in #5165. A regex search of the affected symbols on l4re-core's
libcdirectory reveals no modifications in their patches would necessitate changes in this patch.Checklist
libc-test/semverhave been updated*LASTor*MAXare included (see #3131)cd libc-test && cargo test --target mytarget); especially relevant for platforms that may not be checked in CI@rustbot label +stable-nominated