KWSys 2016-08-03 (6d23dd7e)

Code extracted from:

    http://public.kitware.com/KWSys.git

at commit 6d23dd7e455a7b2088c4ec6dce760d8243b84ee6 (master).

Upstream Shortlog
-----------------

Ben Boeckel (1):
      6d23dd7e SystemTools: add a PathExists method

1 files changed, 26 insertions, 0 deletions

diff --git a/SystemTools.cxx b/SystemTools.cxx
index d479ee1..eb2bec6 100644
--- a/SystemTools.cxx
+++ b/SystemTools.cxx
@@ -1292,6 +1292,32 @@ bool SystemTools::SameFile(const std::string& file1, const std::string& file2)
 }
 
 //----------------------------------------------------------------------------
+bool SystemTools::PathExists(const std::string& path)
+{
+  if(path.empty())
+    {
+    return false;
+    }
+#if defined(__CYGWIN__)
+  // Convert path to native windows path if possible.
+  char winpath[MAX_PATH];
+  if(SystemTools::PathCygwinToWin32(path.c_str(), winpath))
+    {
+    return (GetFileAttributesA(winpath) != INVALID_FILE_ATTRIBUTES);
+    }
+  struct stat st;
+  return lstat(path.c_str(), &st) == 0;
+#elif defined(_WIN32)
+  return (GetFileAttributesW(
+            SystemTools::ConvertToWindowsExtendedPath(path).c_str())
+          != INVALID_FILE_ATTRIBUTES);
+#else
+  struct stat st;
+  return lstat(path.c_str(), &st) == 0;
+#endif
+}
+
+//----------------------------------------------------------------------------
 bool SystemTools::FileExists(const char* filename)
 {
   if(!filename)