[glibmm] Gio: More nullptr instead of 0

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 1fef2a7cb16d1cc23b632e0e1255acadf69f7329
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Mon Nov 23 16:41:49 2015 +0100

    Gio: More nullptr instead of 0

 gio/src/drive.hg     |    4 +---
 gio/src/file.hg      |   10 +++++-----
 gio/src/mount.hg     |    2 +-
 gio/src/resource.ccg |    2 +-
 gio/src/volume.hg    |    4 +---
 5 files changed, 9 insertions(+), 13 deletions(-)
---
diff --git a/gio/src/drive.hg b/gio/src/drive.hg
index eaf4835..30ab250 100644
--- a/gio/src/drive.hg
+++ b/gio/src/drive.hg
@@ -1,5 +1,3 @@
-// -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 2 -*-
-
 /* Copyright (C) 2007 The gtkmm Development Team
  *
  * This library is free software; you can redistribute it and/or
@@ -207,7 +205,7 @@ struct TypeTraits< Glib::RefPtr<Gio::Drive> >
 
   static void    release_c_type (CType item)
   {
-    GLIBMM_DEBUG_UNREFERENCE(0, item);
+    GLIBMM_DEBUG_UNREFERENCE(nullptr, item);
     g_object_unref(item);
   }
 };
diff --git a/gio/src/file.hg b/gio/src/file.hg
index 79b49e0..da1ba6a 100644
--- a/gio/src/file.hg
+++ b/gio/src/file.hg
@@ -1874,7 +1874,7 @@ public:
   *
   * @param slot A callback to call when the request is satisfied.
   * @param cancellable A Cancellable object.
-  * @param start_operation A MountOperation, or <tt>0</tt> to avoid user interaction.
+  * @param start_operation A MountOperation, or <tt>nullptr</tt> to avoid user interaction.
   * @param flags Flags affecting the operation
   *
   * @newin{2,24}
@@ -1893,7 +1893,7 @@ public:
   * was cancelled, a Gio::Error with CANCELLED will be thrown.
   *
   * @param slot A callback to call when the request is satisfied.
-  * @param start_operation A MountOperation, or <tt>0</tt> to avoid user interaction.
+  * @param start_operation A MountOperation, or <tt>nullptr</tt> to avoid user interaction.
   * @param flags Flags affecting the operation
   *
   * @newin{2,24}
@@ -1918,7 +1918,7 @@ public:
   *
   * @param slot A callback to call when the request is satisfied.
   * @param cancellable A Cancellable object.
-  * @param start_operation A MountOperation, or <tt>0</tt> to avoid user interaction.
+  * @param start_operation A MountOperation, or <tt>nullptr</tt> to avoid user interaction.
   * @param flags Flags affecting the operation
   *
   * @newin{2,24}
@@ -1938,7 +1938,7 @@ public:
   * was cancelled, a Gio::Error with CANCELLED will be thrown.
   *
   * @param slot A callback to call when the request is satisfied.
-  * @param start_operation A MountOperation, or <tt>0</tt> to avoid user interaction.
+  * @param start_operation A MountOperation, or <tt>nullptr</tt> to avoid user interaction.
   * @param flags Flags affecting the operation
   *
   * @newin{2,24}
@@ -2471,7 +2471,7 @@ struct TypeTraits< Glib::RefPtr<Gio::File> >
 
   static void    release_c_type (CType item)
   {
-    GLIBMM_DEBUG_UNREFERENCE(0, item);
+    GLIBMM_DEBUG_UNREFERENCE(nullptr, item);
     g_object_unref(item);
   }
 };
diff --git a/gio/src/mount.hg b/gio/src/mount.hg
index 7ca1731..07ae84e 100644
--- a/gio/src/mount.hg
+++ b/gio/src/mount.hg
@@ -272,7 +272,7 @@ struct TypeTraits< Glib::RefPtr<Gio::Mount> >
 
   static void    release_c_type (CType item)
   {
-    GLIBMM_DEBUG_UNREFERENCE(0, item);
+    GLIBMM_DEBUG_UNREFERENCE(nullptr, item);
     g_object_unref(item);
   }
 };
diff --git a/gio/src/resource.ccg b/gio/src/resource.ccg
index 87d08fa..f840100 100644
--- a/gio/src/resource.ccg
+++ b/gio/src/resource.ccg
@@ -68,7 +68,7 @@ void Resource::get_info_global(const std::string& path, gsize& size,
 //static
 void Resource::get_file_exists_global(const std::string& path, ResourceLookupFlags lookup_flags)
 {
-  GError* gerror = 0;
+  GError* gerror = nullptr;
   g_resources_get_info(path.c_str(),
     (GResourceLookupFlags)lookup_flags, nullptr, nullptr, &gerror);
   if (gerror)
diff --git a/gio/src/volume.hg b/gio/src/volume.hg
index c69c3da..6d54bd8 100644
--- a/gio/src/volume.hg
+++ b/gio/src/volume.hg
@@ -1,5 +1,3 @@
-// -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 2 -*-
-
 /* Copyright (C) 2007 The gtkmm Development Team
  *
  * This library is free software; you can redistribute it and/or
@@ -219,7 +217,7 @@ struct TypeTraits< Glib::RefPtr<Gio::Volume> >
 
   static void    release_c_type (CType item)
   {
-    GLIBMM_DEBUG_UNREFERENCE(0, item);
+    GLIBMM_DEBUG_UNREFERENCE(nullptr, item);
     g_object_unref(item);
   }
 };