Merge pull request #41 from eisenhauer/add-atl-free

Author: eisenhauer

CMakeLists.txt

@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.14)
 # The directory label is used for CDash to treat ATL as a subproject of GTKorvo
 set(CMAKE_DIRECTORY_LABELS ATL)
 
-project(ATL VERSION 2.2.3 LANGUAGES C)
+project(ATL VERSION 2.3.0 LANGUAGES C)
 
 # Some boilerplate to setup nice output directories
 include(GNUInstallDirs)

atl.h

@@ -215,6 +215,18 @@ atl_base64_decode(unsigned char *input, unsigned char *output);
 extern char *
 atl_base64_encode(char *buffer, unsigned int len);
 
+/*!
+ * Free memory allocated by ATL functions.
+ *
+ * On Windows, memory allocated within a DLL must be freed by that same DLL
+ * due to separate CRT heaps. Use this function to free strings returned by
+ * attr_list_to_string(), atl_base64_encode(), and similar functions.
+ *
+ * \param ptr Pointer to memory allocated by ATL (may be NULL)
+ */
+extern void
+atl_free(void *ptr);
+
 #if defined(__cplusplus) || defined(c_plusplus)
 	   }
 #endif

attr.c

@@ -2003,3 +2003,9 @@ atl_base64_encode(char *buffer, unsigned int len)
 {
     return base64_encode(buffer, len);
 }
+
+void
+atl_free(void *ptr)
+{
+    free(ptr);
+}