gegl r1610 - in trunk: . gegl/buffer

[ok svn gnome org]

Author: ok
Date: 2007-09-09 18:33:07 +0100 (Sun, 09 Sep 2007)
New Revision: 1610
ViewCVS link: http://svn.gnome.org/viewcvs/gegl?rev=1610&view=rev

Modified:
   trunk/ChangeLog
   trunk/gegl/buffer/gegl-buffer.c
   trunk/gegl/buffer/gegl-buffer.h
Log:
Made gegl_buffer_new accept NULL parameters (constructing a "NULL
buffer" when passed a zero extent).
* gegl/buffer/gegl-buffer.h: updated documentation.
* gegl/buffer/gegl-buffer.c: 
(gegl_buffer_class_init): accept -1 for abyss extent.
(pset, pget): eliminated duplicated subexpressions.
(gegl_buffer_new): accept NULL parameters.