chore: added Noise compatibility option again after master merge.

toxcore/tox_options.c

@@ -181,6 +181,15 @@ void tox_options_set_experimental_groups_persistence(
 {
     options->experimental_groups_persistence = experimental_groups_persistence;
 }
+bool tox_options_get_noise_compatibility_enabled(const Tox_Options *options)
+{
+    return options->noise_compatibility_enabled;
+}
+void tox_options_set_noise_compatibility_enabled(
+    Tox_Options *options, bool noise_compatibility_enabled)
+{
+    options->noise_compatibility_enabled = noise_compatibility_enabled;
+}
 bool tox_options_get_experimental_disable_dns(const Tox_Options *options)
 {
     return options->experimental_disable_dns;
@@ -255,6 +264,7 @@ void tox_options_default(Tox_Options *options)
         tox_options_set_dht_announcements_enabled(options, true);
         tox_options_set_experimental_thread_safety(options, false);
         tox_options_set_experimental_groups_persistence(options, false);
+        tox_options_set_noise_compatibility_enabled(options, true);
         tox_options_set_experimental_disable_dns(options, false);
         tox_options_set_experimental_owned_data(options, false);
     }

toxcore/tox_options.h

@@ -265,6 +265,16 @@ struct Tox_Options {
      */
     bool experimental_groups_persistence;
 
+    /**
+     * @brief Compatibility for old non-Noise handshake.
+     *
+     * If this is set to false, non-Noise handshake
+     * will not work anymore.
+     *
+     * Default: true.
+     */
+    bool noise_compatibility_enabled;
+
     /**
      * @brief Disable DNS hostname resolution.
      *
@@ -393,6 +403,10 @@ bool tox_options_get_experimental_groups_persistence(const Tox_Options *options)
 void tox_options_set_experimental_groups_persistence(
     Tox_Options *options, bool experimental_groups_persistence);
 
+bool tox_options_get_noise_compatibility_enabled(const struct Tox_Options *options);
+
+void tox_options_set_noise_compatibility_enabled(struct Tox_Options *options, bool noise_compatibility_enabled);
+
 bool tox_options_get_experimental_disable_dns(const Tox_Options *options);
 
 void tox_options_set_experimental_disable_dns(Tox_Options *options, bool experimental_disable_dns);

toxcore/util.c

@@ -13,6 +13,7 @@
 
 #include "util.h"
 
+#include <stdio.h>
 #include <string.h>
 
 #include "ccompat.h"