[PATCH] D59727: [libc++] Fix return value of snprintf_l() on Windows when buffer is too small

[Tom Anderson via Phabricator via llvm-commits]

thomasanderson added a comment.

In D59727#1444886 <https://reviews.llvm.org/D59727#1444886>, @zoecarver wrote:

> Will D59572 <https://reviews.llvm.org/D59572> fix the `__libcpp_locale_guard ` performance issues?


It improves the issue, but does not fix it.  The slowness is caused by setlocale(), and that change reduces the number of calls to setlocale() from 10 to 2.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59727/new/

https://reviews.llvm.org/D59727