[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [53302] trunk/blender/source/blender/ blenloader/intern/readfile.c: Patch for weirdo library recursive linking errors:

[Ton Roosendaal]

Revision: 53302
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=53302
Author:   ton
Date:     2012-12-23 18:41:00 +0000 (Sun, 23 Dec 2012)
Log Message:
-----------
Patch for weirdo library recursive linking errors:

In case you accidentally link data in a library file from the main file, Blender would crash.
Now it survives, giving error messages to tell what to fix.

Modified Paths:
--------------
    trunk/blender/source/blender/blenloader/intern/readfile.c

Modified: trunk/blender/source/blender/blenloader/intern/readfile.c
===================================================================
--- trunk/blender/source/blender/blenloader/intern/readfile.c	2012-12-23 16:09:26 UTC (rev 53301)
+++ trunk/blender/source/blender/blenloader/intern/readfile.c	2012-12-23 18:41:00 UTC (rev 53302)
@@ -8747,7 +8747,15 @@
 				Library *lib = read_struct(fd, bheadlib, "Library");
 				Main *ptr = blo_find_main(fd, lib->name, fd->relabase);
 				
-				id = is_yet_read(fd, ptr, bhead);
+				if (ptr->curlib == NULL) {
+					const char *idname= bhead_id_name(fd, bhead);
+					
+					BKE_reportf_wrap(fd->reports, RPT_WARNING, TIP_("LIB ERROR: Data refers to main .blend file: '%s' from %s"),
+					                 idname, mainvar->curlib->filepath);
+					return;
+				}
+				else
+					id = is_yet_read(fd, ptr, bhead);
 				
 				if (id == NULL) {
 					read_libblock(fd, ptr, bhead, LIB_READ+LIB_INDIRECT, NULL);