From 6d0c675377e26da4b42fe8d553db22a8af78cfa3 Mon Sep 17 00:00:00 2001
From: Braiden Vasco <braiden-vasco@users.noreply.github.com>
Date: Sat, 12 Sep 2015 16:16:30 +0000
Subject: [PATCH] Implement Tox#id

---
 ext/tox/extconf.rb |  1 +
 ext/tox/tox.c      | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/ext/tox/extconf.rb b/ext/tox/extconf.rb
index 751174b..3a56001 100755
--- a/ext/tox/extconf.rb
+++ b/ext/tox/extconf.rb
@@ -9,5 +9,6 @@ have_library LIBTOXCORE, 'tox_options_default'
 have_library LIBTOXCORE, 'tox_new'
 have_library LIBTOXCORE, 'tox_get_savedata_size'
 have_library LIBTOXCORE, 'tox_get_savedata'
+have_library LIBTOXCORE, 'tox_self_get_address'
 
 create_makefile "#{NAME}/#{NAME}"
diff --git a/ext/tox/tox.c b/ext/tox/tox.c
index 43d844c..7303719 100644
--- a/ext/tox/tox.c
+++ b/ext/tox/tox.c
@@ -13,6 +13,7 @@ static VALUE cTox_alloc(VALUE klass);
 static void  cTox_free(void *ptr);
 static VALUE cTox_initialize(VALUE self, VALUE options);
 static VALUE cTox_savedata(VALUE self);
+static VALUE cTox_id(VALUE self);
 
 typedef struct Tox_Options cTox_cOptions_;
 
@@ -28,6 +29,7 @@ void Init_tox()
   rb_define_alloc_func(cTox, cTox_alloc);
   rb_define_method(cTox, "initialize", cTox_initialize, 1);
   rb_define_method(cTox, "savedata", cTox_savedata, 0);
+  rb_define_method(cTox, "id", cTox_id, 0);
 
   cTox_cOptions = rb_define_class_under(cTox, "Options", rb_cObject);
   rb_define_alloc_func(cTox_cOptions, cTox_cOptions_alloc);
@@ -92,6 +94,25 @@ VALUE cTox_savedata(const VALUE self)
   return rb_str_new(data, data_size);
 }
 
+VALUE cTox_id(const VALUE self)
+{
+  cTox_ *tox;
+
+  char address[TOX_ADDRESS_SIZE];
+  char id[2 * TOX_ADDRESS_SIZE];
+
+  unsigned long i;
+
+  Data_Get_Struct(self, cTox_, tox);
+
+  tox_self_get_address(tox->tox, (uint8_t*)address);
+
+  for (i = 0; i < TOX_ADDRESS_SIZE; ++i)
+    sprintf(&id[2 * i], "%02X", address[i] & 0xFF);
+
+  return rb_str_new(id, 2 * TOX_ADDRESS_SIZE);
+}
+
 /******************************************************************************
  * Tox::Options
  ******************************************************************************/