[all-commits] [llvm/llvm-project] 42a8ff: [libc] Add "struct tm" declaration to <wchar.h> (#...

[Alexey Samsonov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 42a8ff877d47131ecb1280a1cc7e5e3c3bca6952
      https://github.com/llvm/llvm-project/commit/42a8ff877d47131ecb1280a1cc7e5e3c3bca6952
  Author: Alexey Samsonov <vonosmas at gmail.com>
  Date:   2025-10-30 (Thu, 30 Oct 2025)

  Changed paths:
    M libc/include/wchar.yaml

  Log Message:
  -----------
  [libc] Add "struct tm" declaration to <wchar.h> (#165795)

`<wchar.h>` should at least include the forward declaration of `struct tm`,
since it's needed for the `wcsftime` declaration (also, see
https://man7.org/linux/man-pages/man0/wchar.h.0p.html).

Even though we don't yet have `wcsftime`, some downstream users (notably
- libcxx) expects to see `struct tm` declaration there, to re-declare it under
`std` namespace:
https://github.com/llvm/llvm-project/blob/c46bfed1a484d30cd251a9a225649d74e3bf0af5/libcxx/include/cwchar#L135

So, add this type declaration to llvm-libc version of `wchar.h` now.



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