[libcxx] r273391 - Avoid unnecessary stat call in filesystem::permissions implementation.

[Eric Fiselier via cfe-commits]

Author: ericwf
Date: Wed Jun 22 02:24:00 2016
New Revision: 273391

URL: http://llvm.org/viewvc/llvm-project?rev=273391&view=rev
Log:
Avoid unnecessary stat call in filesystem::permissions implementation.

Modified:
    libcxx/trunk/src/experimental/filesystem/operations.cpp

Modified: libcxx/trunk/src/experimental/filesystem/operations.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/src/experimental/filesystem/operations.cpp?rev=273391&r1=273390&r2=273391&view=diff
==============================================================================
--- libcxx/trunk/src/experimental/filesystem/operations.cpp (original)
+++ libcxx/trunk/src/experimental/filesystem/operations.cpp Wed Jun 22 02:24:00 2016
@@ -602,7 +602,8 @@ void __permissions(const path& p, perms
                    "Both add_perms and remove_perms are set");
 
     std::error_code m_ec;
-    file_status st = detail::posix_lstat(p, &m_ec);
+    file_status st = resolve_symlinks ? detail::posix_stat(p, &m_ec)
+                                      : detail::posix_lstat(p, &m_ec);
     if (m_ec) return set_or_throw(m_ec, ec, "permissions", p);
 
     // AT_SYMLINK_NOFOLLOW can only be used on symlinks, using it on a regular