From 9d14cc4234e100ba14606d30975508934f069255 Mon Sep 17 00:00:00 2001
From: Tom Yearke <tyearke@xxxxxxxxxxx>
Date: Wed, 26 Mar 2014 15:44:26 -0400
Subject: [PATCH] python/pmapi - simplify memory management for users in
 pmExtractValue

---
 src/python/pcp/pmapi.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/python/pcp/pmapi.py b/src/python/pcp/pmapi.py
index fd67a9e..18d136e 100644
--- a/src/python/pcp/pmapi.py
+++ b/src/python/pcp/pmapi.py
@@ -1333,6 +1333,12 @@ class pmContext(object):
                                         byref(outAtom), outtype)
         if status < 0:
             raise pmErr, status
+        # If value was allocated in C memory, copy to Python memory and free C.
+        if outtype == c_api.PM_TYPE_STRING:
+            c_char_pointer_address = outAtom.vp
+            python_char_array = create_string_buffer(outAtom.cp)
+            outAtom.cp = cast(python_char_array, c_char_p)
+            LIBC.free(c_char_pointer_address)
         return outAtom
 
     @staticmethod
-- 
1.8.4.2