From 7527fbccc28a051142a53dd21ca7fe8e7fae2613 Mon Sep 17 00:00:00 2001
From: Andy Cedilnik <andy.cedilnik@kitware.com>
Date: Mon, 26 Jan 2004 14:55:57 -0500
Subject: [PATCH] ENH: Add code for setting and getting permissions

---
 Source/cmSystemTools.cxx | 36 ++++++++++++++++++++++++++++++++++++
 Source/cmSystemTools.h   |  6 +++++-
 2 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 28b378b7cf..7478d71c93 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -42,6 +42,8 @@
 #include <unistd.h>
 #endif
 
+#include <sys/stat.h>
+
 
 bool cmSystemTools::s_RunCommandHideConsole = false;
 bool cmSystemTools::s_DisableRunCommandOutput = false;
@@ -1205,3 +1207,37 @@ bool cmSystemTools::PutEnv(const char* value)
   localEnvironment.push_back(envVar);
   return ret == 0;
 }
+
+bool cmSystemTools::GetPermissions(const char* file, mode_t& mode)
+{
+  if ( !file )
+    {
+    return false;
+    }
+
+  struct stat st;
+  if ( stat(file, &st) < 0 )
+    {
+    return false;
+    }
+  mode = st.st_mode;
+  return true;
+}
+
+bool cmSystemTools::SetPermissions(const char* file, mode_t mode)
+{
+  if ( !file )
+    {
+    return false;
+    }
+  if ( !cmSystemTools::FileExists(file) )
+    {
+    return false;
+    }
+  if ( chmod(file, mode) < 0 )
+    {
+    return false;
+    }
+
+  return true;
+}
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index a8bbc8be76..9099844505 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -259,7 +259,11 @@ public:
   /** put a string into the environment
       of the form var=value */
   static bool PutEnv(const char* value);
-  
+
+  ///! Get permissions of the file
+  static bool GetPermissions(const char* file, mode_t& mode);
+  static bool SetPermissions(const char* file, mode_t mode);
+
 private:
   static bool s_ForceUnixPaths;
   static bool s_RunCommandHideConsole;