[Bf-blender-cvs] [964e319a39a] master: Fix: Alembic import segfault when importing mesh with null UVs

[Sybren A. Stüvel]

Commit: 964e319a39abfe3808fded71dcacd296401ec04d
Author: Sybren A. Stüvel
Date:   Fri Jun 21 11:32:57 2019 +0200
Branches: master
https://developer.blender.org/rB964e319a39abfe3808fded71dcacd296401ec04d

Fix: Alembic import segfault when importing mesh with null UVs

This fixes an issue introduced in 4337bc2e6303dbd5f295878f3e7490995a62713a.

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

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diff --git a/source/blender/alembic/intern/abc_mesh.cc b/source/blender/alembic/intern/abc_mesh.cc
index 9a00140b0fc..de227be0044 100644
--- a/source/blender/alembic/intern/abc_mesh.cc
+++ b/source/blender/alembic/intern/abc_mesh.cc
@@ -830,7 +830,7 @@ static void read_mpolys(CDStreamConfig &config, const AbcMeshData &mesh_data)
   const Int32ArraySamplePtr &face_indices = mesh_data.face_indices;
   const Int32ArraySamplePtr &face_counts = mesh_data.face_counts;
   const V2fArraySamplePtr &uvs = mesh_data.uvs;
-  const size_t uvs_size = uvs->size();
+  const size_t uvs_size = uvs == nullptr ? 0 : uvs->size();
 
   const UInt32ArraySamplePtr &uvs_indices = mesh_data.uvs_indices;
   const N3fArraySamplePtr &normals = mesh_data.face_normals;