sammccall added inline comments.

================
Comment at: clangd/index/Index.h:306
+    llvm::StringRef S(P);
+    CB(S);
+    P = S.data();
----------------
hokein wrote:
> sammccall wrote:
> > ```assert (!S.data()[S.size()] && "Visited StringRef must be 
> > null-terminated")
> Does this assert actually work? The `StringRef` is constructed from the `char 
> *` (which using `strlen`). This assert will not get triggered I think, 
> `S.data()[S.size()]` is always `\0`.
The point is the callback takes a mutable reference, and can replace the 
stringref.
We're asserting that the *new* stringref is nullterminated (so we can convert 
it safely to a `char*`)


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D53427



_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to