From 8a578bf5d74d77228d48f2e3d8bdfb10e9dd9653 Mon Sep 17 00:00:00 2001
From: Oleksiy Vyalov <ovyalov@google.com>
Date: Tue, 21 Jul 2015 01:28:22 +0000
Subject: [PATCH] Fix FileSpec::IsSymlink implementation.

http://reviews.llvm.org/D11356

llvm-svn: 242753
---
 lldb/include/lldb/Host/FileSpec.h    |  5 +----
 lldb/source/Host/common/FileSpec.cpp | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/lldb/include/lldb/Host/FileSpec.h b/lldb/include/lldb/Host/FileSpec.h
index d0338d4..dd6da59 100644
--- a/lldb/include/lldb/Host/FileSpec.h
+++ b/lldb/include/lldb/Host/FileSpec.h
@@ -510,10 +510,7 @@ public:
     }
 
     bool
-    IsSymbolicLink () const
-    {
-        return GetFileType() == FileSpec::eFileTypeSymbolicLink;
-    }
+    IsSymbolicLink () const;
 
     //------------------------------------------------------------------
     /// Get the memory cost of this object.
diff --git a/lldb/source/Host/common/FileSpec.cpp b/lldb/source/Host/common/FileSpec.cpp
index ceb094b..a917a89 100644
--- a/lldb/source/Host/common/FileSpec.cpp
+++ b/lldb/source/Host/common/FileSpec.cpp
@@ -789,6 +789,28 @@ FileSpec::GetFileType () const
     return eFileTypeInvalid;
 }
 
+bool
+FileSpec::IsSymbolicLink () const
+{
+    char resolved_path[PATH_MAX];
+    if (!GetPath (resolved_path, sizeof (resolved_path)))
+        return false;
+
+#ifdef _WIN32
+    auto attrs = ::GetFileAttributes (resolved_path);
+    if (attrs == INVALID_FILE_ATTRIBUTES)
+        return false;
+
+    return (attrs & FILE_ATTRIBUTE_REPARSE_POINT);
+#else
+    struct stat file_stats;
+    if (::lstat (resolved_path, &file_stats) != 0)
+        return false;
+
+    return (file_stats.st_mode & S_IFMT) == S_IFLNK;
+#endif
+}
+
 uint32_t
 FileSpec::GetPermissions () const
 {
-- 
2.7.4