Blender Git Loki

code cleanup: incorrect sized array args, remove some redundant code.

fix for missing NULL pointer checks and incorrect array free

Added descriptions for each constraint type, including common usage
restrictions/limits to reduce confusion

Setting clone cursor is now an option for paint operator. This is not
too nice but it frees the Ctrl-LClick shortcut and allows us to set
invert mode for other paint tools, such as sharpen vs blur or invert
colour for draw brush. This conflict has existed on GSOC branch, better
resolve now before merging invert functionality.

Fix for a crash due to a bug in the handling of singularity in stroke creation,
where additions of a small offset (to prevent vertices from being at the same point)
were not properly done when vertices were shifted in the reverse order.

A problem report by Vicente Carro through personal communications, thanks a lot!

- ghost-sdl builds again.
- without python builds without warnings.
- replace MAXFLOAT -> FLT_MAX in some areas, MAXFLOAT overflows (lager then float range).
- add cmake option WITH_GCC_MUDFLAP to enable libmudflap use.

revert own change: don't use memchr for strnlen, causes problems when the len is longer then the string data, instead use strnlen from freebsd.
also simplify empty string checks in logic_ops.c

Stop dyntopo updates from happening in masked areas

Fixes [#34348] Collapse short edges affects masked geometry
/projects.blender.org/tracker/?func=detail&aid=34348&group_id=9&atid=498

Fixed by disallowing topology updates on edges with a vertex masked at
50% or greater. This is a necessarily arbitrary choice; can't do
halfway updates for topology like we can with displacement.

Fix sculpt view normal for transformed objects

Patch from Antony Riakiotakis, thanks!

Fixes [#34641] "Front Faces Only" option in SculptMode behaves weird
projects.blender.org/tracker/?func=detail&aid=34641&group_id=9&atid=498

fix for buffer overrun in reading bookmarks when a line was over 256 bytes.

Bug fix, irc reported:

Using new off-screen backbuffer selection failed for Lasso in editmode.

Fix for a crash due to mesh faces with wire frame materials not properly handled.
A problem report by Vicente Carro through personal communications, many thanks!

don't create empty mesh object when separating if nothing is selected.

patch [#34634] Select vertices without a group
from Kevin Mackay (yakca)

own error in recent knife-project changes.

style cleanup

code cleanup: shadowing

fix for crash when using BM_face_calc_tessellation(), its not ensured that all tris will be filled in.
(effected knife project and laplacian smooth).

Fix for [#34654] Cycles hair particle system modifier obeys viewport visibility as well
* Now Show Render and Show Viewport flags work independently and correct.

Some more assorted fixes
* More duplicate/wrong comments (copy+paste errors)
* Brough Calculate/Clear Motion Path UI for bones more in line with the Object
version