mulle_objc_classhierarchy_dotdump_to_stream now dumps empty file for cls=nil (for some reason)

Author: mulle-nat

.mulle/share/env/environment-plugin.sh

@@ -1,6 +1,6 @@
 cmake_minimum_required( VERSION 3.1)
 
-project( mulle-objc-debug VERSION 0.21.2 LANGUAGES C)
+project( mulle-objc-debug VERSION 0.21.3 LANGUAGES C)
 
 
 ### mulle-sde environment

.mulle/share/env/version

@@ -10,7 +10,7 @@ and debugging support.
 
 | Release Version                                       | Release Notes
 |-------------------------------------------------------|--------------
-| ![Mulle kybernetiK tag](https://img.shields.io/github/tag/mulle-objc/mulle-objc-debug.svg?branch=release) [![Build Status](https://github.com/mulle-objc/mulle-objc-debug/workflows/CI/badge.svg?branch=release)](//github.com/mulle-objc/mulle-objc-debug/actions) | [RELEASENOTES](RELEASENOTES.md) |
+| ![Mulle kybernetiK tag](https://img.shields.io/github/tag/mulle-objc/mulle-objc-debug.svg) [![Build Status](https://github.com/mulle-objc/mulle-objc-debug/workflows/CI/badge.svg)](//github.com/mulle-objc/mulle-objc-debug/actions) | [RELEASENOTES](RELEASENOTES.md) |
 
 
 

.mulle/share/sde/version/mulle-sde/cmake

@@ -1,3 +1,7 @@
+### 0.21.3
+
+Various small improvements
+
 ### 0.21.2
 
 

CMakeLists.txt

@@ -40,7 +40,7 @@
 #include "include.h"
 
 // MEMO: mulle-project-version uses a special hack to not have __
-#define MULLE_OBJC_DEBUG_VERSION  ((0UL << 20) | (21 << 8) | 2)
+#define MULLE_OBJC_DEBUG_VERSION  ((0UL << 20) | (21 << 8) | 3)
 
 
 #include "mulle-objc-dotdump.h"

README.md

@@ -1191,6 +1191,9 @@ void
 }
 
 
+
+#pragma mark - hierarchy dump
+
 /*
  * Hierarchy dumper. Dump a class and all superclasses and protocol classes
  */
@@ -1336,22 +1339,22 @@ void   mulle_objc_classhierarchy_dotdump_to_stream( struct _mulle_objc_class *cl
    struct print_hierarchy_info   info;
    struct c_set                  set;
 
-   if( ! cls)
-      return;
-
    if( ! fp)
       fp = stdout;
 
    fprintf( fp, "digraph mulle_classhierarchy\n{\n");
 
-   c_set_init( &set);
+   if( cls)
+   {
+      c_set_init( &set);
 
-   print_hierarchy_info_init( &info, NULL, NULL, &set, fp);
+      print_hierarchy_info_init( &info, NULL, NULL, &set, fp);
 
-   info.is_meta = _mulle_objc_class_is_metaclass( cls);
-   print_hierarchy( cls, &info);
+      info.is_meta = _mulle_objc_class_is_metaclass( cls);
+      print_hierarchy( cls, &info);
 
-   c_set_done( &set);
+      c_set_done( &set);
+   }
 
    fprintf( fp, "}\n");
 }
@@ -1373,3 +1376,4 @@ void   mulle_objc_classhierarchy_dotdump_to_file( struct _mulle_objc_class *cls,
 }
 
 
+