From 6f60e626842b595208ae7fe0d2c32a91cce1fb73 Mon Sep 17 00:00:00 2001
From: Jan Kleinert <jan.kleinert@dlr.de>
Date: Fri, 29 Jun 2018 17:09:53 +0200
Subject: [PATCH] bugfix in tixiRenameElement

---
 src/tixiImpl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tixiImpl.c b/src/tixiImpl.c
index cd9f5ac..7df14be 100644
--- a/src/tixiImpl.c
+++ b/src/tixiImpl.c
@@ -1657,6 +1657,7 @@ DLL_EXPORT ReturnCode tixiRenameElement(const TixiDocumentHandle handle,
                                         const char* oldName,
                                         const char* newName)
 {
+    char* elementPath = (char*) malloc( sizeof(char) *( strlen(parentPath) + strlen(oldName) + 2 ) );
     xmlNodePtr parent = NULL;
     xmlNodePtr element = NULL;
     int retVal = 0;
@@ -1670,12 +1671,12 @@ DLL_EXPORT ReturnCode tixiRenameElement(const TixiDocumentHandle handle,
       return INVALID_XPATH;
     }
 
-    char* elementPath = (char*) malloc( sizeof(char) *( strlen(parentPath) + strlen(oldName) + 2 ) );
     elementPath[0] = '\0';
     strcat(elementPath, parentPath);
     strcat(elementPath, "/");
     strcat(elementPath, oldName);
     retVal = getNodePtrFromElementPath(handle, elementPath, &element);
+    free(elementPath);
     if (retVal != SUCCESS) {
         return retVal;
     }