[libcxx-commits] [PATCH] D59525: Speed up certain locale functions on Windows

[Tom Anderson via Phabricator via libcxx-commits]

thomasanderson updated this revision to Diff 191376.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59525/new/

https://reviews.llvm.org/D59525

Files:
  src/support/win32/locale_win32.cpp


Index: src/support/win32/locale_win32.cpp
===================================================================
--- src/support/win32/locale_win32.cpp
+++ src/support/win32/locale_win32.cpp
@@ -87,10 +87,16 @@
 
 int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...)
 {
+#if !defined(_LIBCPP_MSVCRT)
     __libcpp_locale_guard __current(loc);
+#endif
     va_list ap;
     va_start( ap, format );
+#if defined(_LIBCPP_MSVCRT)
+    int result = _vsprintf_s_l( ret, n, format, loc, ap );
+#else
     int result = vsnprintf( ret, n, format, ap );
+#endif
     va_end(ap);
     return result;
 }


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