[libc-commits] [libc] [libc][docs] Fix docgen macro lookup for underscored headers (PR #194367)

[Victor Campos via libc-commits]

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@@ -112,5 +112,7 @@ def __get_macro_files(self) -> Generator[Path, None, None]:
         instead use a hyphen in the name.
         libc/include/llvm-libc-macros/sys-mman-macros.h
         """
-        stem = self.stem.replace("/", "-")
+        # Some POSIX headers use underscores in the header name but hyphens in
+        # the macro file name, e.g. nl_types.h -> nl-types-macros.h.
+        stem = self.stem.replace("/", "-").replace("_", "-")
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vhscampos wrote:

Maybe unrelated to the change, but wouldn't it be better if we renamed `nl-types-macros.h` to `nl_types-macros.h`?

https://github.com/llvm/llvm-project/pull/194367