[Bf-blender-cvs] [bc44d31] alembic_basic_io: Fix crash accessing array out of bounds.

[Kévin Dietrich]

Commit: bc44d31c6d62f3e1c5df83623144be671f45625d
Author: Kévin Dietrich
Date:   Sat Jul 23 18:09:50 2016 +0200
Branches: alembic_basic_io
https://developer.blender.org/rBbc44d31c6d62f3e1c5df83623144be671f45625d

Fix crash accessing array out of bounds.

===================================================================

M	source/blender/alembic/intern/abc_curves.cc

===================================================================

diff --git a/source/blender/alembic/intern/abc_curves.cc b/source/blender/alembic/intern/abc_curves.cc
index 39d494b..4e1e4e7 100644
--- a/source/blender/alembic/intern/abc_curves.cc
+++ b/source/blender/alembic/intern/abc_curves.cc
@@ -299,6 +299,7 @@ void read_curve_sample(Curve *cu, const ICurvesSchema &schema, const float time)
 			nu->pntsu -= overlap;
 		}
 
+		const bool do_weights = (weights != NULL) && (weights->size() > 1);
 		float weight = 1.0f;
 
 		const bool do_radius = (radiuses != NULL) && (radiuses->size() > 1);
@@ -316,7 +317,7 @@ void read_curve_sample(Curve *cu, const ICurvesSchema &schema, const float time)
 				radius = (*radiuses)[idx];
 			}
 
-			if (weights) {
+			if (do_weights) {
 				weight = (*weights)[idx];
 			}