1 files changed, 26 insertions, 18 deletions

diff --git a/sql/spatial.cc b/sql/spatial.cc
index a23e8ec0d90..2305a8eb97d 100644
--- a/sql/spatial.cc
+++ b/sql/spatial.cc
@@ -53,7 +53,7 @@ static Geometry::Class_info **ci_collection_end=
                                 Geometry::ci_collection+Geometry::wkb_last + 1;
 
 Geometry::Class_info::Class_info(const char *name, int type_id,
-					 void(*create_func)(void *)):
+                                 create_geom_t create_func):
   m_type_id(type_id), m_create_func(create_func)
 {
   m_name.str= (char *) name;
@@ -62,39 +62,39 @@ Geometry::Class_info::Class_info(const char *name, int type_id,
   ci_collection[type_id]= this;
 }
 
-static void create_point(void *buffer)
+static Geometry *create_point(char *buffer)
 {
-  new(buffer) Gis_point;
+  return new (buffer) Gis_point;
 }
 
-static void create_linestring(void *buffer)
+static Geometry *create_linestring(char *buffer)
 {
-  new(buffer) Gis_line_string;
+  return new (buffer) Gis_line_string;
 }
 
-static void create_polygon(void *buffer)
+static Geometry *create_polygon(char *buffer)
 {
-  new(buffer) Gis_polygon;
+  return new (buffer) Gis_polygon;
 }
 
-static void create_multipoint(void *buffer)
+static Geometry *create_multipoint(char *buffer)
 {
-  new(buffer) Gis_multi_point;
+  return new (buffer) Gis_multi_point;
 }
 
-static void create_multipolygon(void *buffer)
+static Geometry *create_multipolygon(char *buffer)
 {
-  new(buffer) Gis_multi_polygon;
+  return new (buffer) Gis_multi_polygon;
 }
 
-static void create_multilinestring(void *buffer)
+static Geometry *create_multilinestring(char *buffer)
 {
-  new(buffer) Gis_multi_line_string;
+  return new (buffer) Gis_multi_line_string;
 }
 
-static void create_geometrycollection(void *buffer)
+static Geometry *create_geometrycollection(char *buffer)
 {
-  new(buffer) Gis_geometry_collection;
+  return new (buffer) Gis_geometry_collection;
 }
 
 
@@ -145,6 +145,15 @@ Geometry::Class_info *Geometry::find_class(const char *name, uint32 len)
 }
 
 
+Geometry *Geometry::create_by_typeid(Geometry_buffer *buffer, int type_id)
+{
+  Class_info *ci;
+  if (!(ci= find_class(type_id)))
+    return NULL;
+  return (*ci->m_create_func)(buffer->data);
+}
+
+
 Geometry *Geometry::construct(Geometry_buffer *buffer,
                               const char *data, uint32 data_len)
 {
@@ -153,6 +162,7 @@ Geometry *Geometry::construct(Geometry_buffer *buffer,
 
   if (data_len < SRID_SIZE + WKB_HEADER_SIZE)   // < 4 + (1 + 4)
     return NULL;
+  /* + 1 to skip the byte order (stored in position SRID_SIZE). */
   geom_type= uint4korr(data + SRID_SIZE + 1);
   if (!(result= create_by_typeid(buffer, (int) geom_type)))
     return NULL;
@@ -177,9 +187,7 @@ Geometry *Geometry::create_from_wkt(Geometry_buffer *buffer,
   if (!(ci= find_class(name.str, name.length)) ||
       wkt->reserve(1 + 4, 512))
     return NULL;
-  (*ci->m_create_func)((void *)buffer);
-  Geometry *result= (Geometry *)buffer;
-  
+  Geometry *result= (*ci->m_create_func)(buffer->data);
   wkt->q_append((char) wkb_ndr);
   wkt->q_append((uint32) result->get_class_info()->m_type_id);
   if (trs->check_next_symbol('(') ||