adding function to compute configuration differences in memory

1 files changed, 16 insertions, 0 deletions

diff --git a/src/include/gnunet_configuration_lib.h b/src/include/gnunet_configuration_lib.h
index 77d6d5552..0c87a537d 100644
--- a/src/include/gnunet_configuration_lib.h
+++ b/src/include/gnunet_configuration_lib.h
@@ -154,6 +154,7 @@ int
 GNUNET_CONFIGURATION_write (struct GNUNET_CONFIGURATION_Handle *cfg,
                             const char *filename);
 
+
 /**
  * Write only configuration entries that have been changed to configuration file
  * @param cfgDefault default configuration
@@ -167,6 +168,21 @@ GNUNET_CONFIGURATION_write_diffs (const struct GNUNET_CONFIGURATION_Handle
                                   const struct GNUNET_CONFIGURATION_Handle
                                   *cfgNew, const char *filename);
 
+
+/**
+ * Compute configuration with only entries that have been changed
+ *
+ * @param cfgDefault original configuration
+ * @param cfgNew new configuration
+ * @return configuration with only the differences, never NULL
+ */
+struct GNUNET_CONFIGURATION_Handle *
+GNUNET_CONFIGURATION_get_diff (const struct GNUNET_CONFIGURATION_Handle
+                               *cfgDefault,
+                               const struct GNUNET_CONFIGURATION_Handle
+                               *cfgNew);
+
+
 /**
  * Test if there are configuration options that were
  * changed since the last save.