From 559b8fbffcb4b6ed8427d732a7325740d85903a6 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Sun, 7 Nov 2010 04:36:50 +0000
Subject: Add method for checking if a path is a symbolic link.

llvm-svn: 118367
---
 llvm/lib/System/Unix/Path.inc  | 9 +++++++++
 llvm/lib/System/Win32/Path.inc | 5 +++++
 2 files changed, 14 insertions(+)

(limited to 'llvm/lib/System')

diff --git a/llvm/lib/System/Unix/Path.inc b/llvm/lib/System/Unix/Path.inc
index d5b7542757d..5ee3adc4d2d 100644
--- a/llvm/lib/System/Unix/Path.inc
+++ b/llvm/lib/System/Unix/Path.inc
@@ -433,6 +433,15 @@ Path::isDirectory() const {
   return ((buf.st_mode & S_IFMT) == S_IFDIR) ? true : false;
 }
 
+bool
+Path::isSymLink() const {
+  struct stat buf;
+  if (0 != lstat(path.c_str(), &buf))
+    return false;
+  return S_ISLNK(buf.st_mode);
+}
+
+
 bool
 Path::canRead() const {
   return 0 == access(path.c_str(), R_OK);
diff --git a/llvm/lib/System/Win32/Path.inc b/llvm/lib/System/Win32/Path.inc
index 2ead80127b3..4db7696b49e 100644
--- a/llvm/lib/System/Win32/Path.inc
+++ b/llvm/lib/System/Win32/Path.inc
@@ -350,6 +350,11 @@ Path::isDirectory() const {
          (attr & FILE_ATTRIBUTE_DIRECTORY);
 }
 
+bool
+Path::isSymLink() const {
+  return false;
+}
+
 bool
 Path::canRead() const {
   // FIXME: take security attributes into account.
-- 
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