Move and rename `CFF_Driver'.

This is so that we can use the same hinting engine parameters for
Type 1.

* include/freetype/internal/cffotypes.h (CFF_Driver): Rename and
move to...
* include/freetype/internal/psaux.h (PS_Driver): ...here.

* src/cff/cffdrivr.c, src/cff/cffgload.c, src/cff/cffload.c,
src/cff/cffobjs.c, src/cff/cffobjs.h, src/psaux/psft.c,
src/psaux/psobjs.c: Update references.
diff --git a/ChangeLog b/ChangeLog
index c75a316..d6d0be1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,20 @@
 2017-09-25  Ewald Hew  <ewaldhew@gmail.com>
 
+	[cff] Move and rename `CFF_Driver'.
+
+	This is so that we can use the same hinting engine parameters for
+	Type 1.
+
+	* include/freetype/internal/cffotypes.h (CFF_Driver): Rename and
+	move to...
+	* include/freetype/internal/psaux.h (PS_Driver): ...here.
+
+	* src/cff/cffdrivr.c, src/cff/cffgload.c, src/cff/cffload.c,
+	src/cff/cffobjs.c, src/cff/cffobjs.h, src/psaux/psft.c,
+	src/psaux/psobjs.c: Update references.
+
+2017-09-25  Ewald Hew  <ewaldhew@gmail.com>
+
 	[psaux, type1] Reorganize object fields.
 
 	Make some fields more generic, so that we can access them the same
diff --git a/include/freetype/internal/cffotypes.h b/include/freetype/internal/cffotypes.h
index 6cabaff..32f7d32 100644
--- a/include/freetype/internal/cffotypes.h
+++ b/include/freetype/internal/cffotypes.h
@@ -12,16 +12,6 @@
 FT_BEGIN_HEADER
 
 
-  /*************************************************************************/
-  /*                                                                       */
-  /* <Type>                                                                */
-  /*    CFF_Driver                                                         */
-  /*                                                                       */
-  /* <Description>                                                         */
-  /*    A handle to an OpenType driver object.                             */
-  /*                                                                       */
-  typedef struct CFF_DriverRec_*  CFF_Driver;
-
   typedef TT_Face  CFF_Face;
 
 
@@ -91,22 +81,6 @@
   } CFF_Transform;
 
 
-  /***********************************************************************/
-  /*                                                                     */
-  /* CFF driver class.                                                   */
-  /*                                                                     */
-  typedef struct  CFF_DriverRec_
-  {
-    FT_DriverRec  root;
-
-    FT_UInt   hinting_engine;
-    FT_Bool   no_stem_darkening;
-    FT_Int    darken_params[8];
-    FT_Int32  random_seed;
-
-  } CFF_DriverRec;
-
-
 FT_END_HEADER
 
 
diff --git a/include/freetype/internal/psaux.h b/include/freetype/internal/psaux.h
index bde0bfa..24c02e7 100644
--- a/include/freetype/internal/psaux.h
+++ b/include/freetype/internal/psaux.h
@@ -35,6 +35,22 @@
 FT_BEGIN_HEADER
 
 
+  /***********************************************************************/
+  /*                                                                     */
+  /* PostScript modules driver class.                                    */
+  /*                                                                     */
+  typedef struct  PS_DriverRec_
+  {
+    FT_DriverRec  root;
+
+    FT_UInt   hinting_engine;
+    FT_Bool   no_stem_darkening;
+    FT_Int    darken_params[8];
+    FT_Int32  random_seed;
+
+  } PS_DriverRec, *PS_Driver;
+
+
   /*************************************************************************/
   /*************************************************************************/
   /*****                                                               *****/
diff --git a/src/cff/cffdrivr.c b/src/cff/cffdrivr.c
index 4c9b1cd..419cdfd 100644
--- a/src/cff/cffdrivr.c
+++ b/src/cff/cffdrivr.c
@@ -21,6 +21,7 @@
 #include FT_INTERNAL_DEBUG_H
 #include FT_INTERNAL_STREAM_H
 #include FT_INTERNAL_SFNT_H
+#include FT_INTERNAL_POSTSCRIPT_AUX_H
 #include FT_SERVICE_CID_H
 #include FT_SERVICE_POSTSCRIPT_INFO_H
 #include FT_SERVICE_POSTSCRIPT_NAME_H
@@ -744,7 +745,7 @@
                     FT_Bool      value_is_string )
   {
     FT_Error    error  = FT_Err_Ok;
-    CFF_Driver  driver = (CFF_Driver)module;
+    PS_Driver   driver = (PS_Driver)module;
 
 #ifndef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
     FT_UNUSED( value_is_string );
@@ -910,7 +911,7 @@
                     const void*  value )
   {
     FT_Error    error  = FT_Err_Ok;
-    CFF_Driver  driver = (CFF_Driver)module;
+    PS_Driver   driver = (PS_Driver)module;
 
 
     if ( !ft_strcmp( property_name, "darkening-parameters" ) )
@@ -1229,7 +1230,7 @@
       FT_MODULE_DRIVER_HAS_HINTER    |
       FT_MODULE_DRIVER_HINTS_LIGHTLY,
 
-      sizeof ( CFF_DriverRec ),
+      sizeof ( PS_DriverRec ),
       "cff",
       0x10000L,
       0x20000L,
diff --git a/src/cff/cffgload.c b/src/cff/cffgload.c
index 12c8097..917fb3a 100644
--- a/src/cff/cffgload.c
+++ b/src/cff/cffgload.c
@@ -395,7 +395,7 @@
 
     {
 #ifdef CFF_CONFIG_OPTION_OLD_ENGINE
-      CFF_Driver  driver = (CFF_Driver)FT_FACE_DRIVER( face );
+      PS_Driver  driver = (PS_Driver)FT_FACE_DRIVER( face );
 #endif
 
 
diff --git a/src/cff/cffload.c b/src/cff/cffload.c
index 5e6839d..21dd423 100644
--- a/src/cff/cffload.c
+++ b/src/cff/cffload.c
@@ -2075,7 +2075,7 @@
        */
       if ( face->root.internal->random_seed == -1 )
       {
-        CFF_Driver  driver = (CFF_Driver)FT_FACE_DRIVER( face );
+        PS_Driver  driver = (PS_Driver)FT_FACE_DRIVER( face );
 
 
         subfont->random = (FT_UInt32)driver->random_seed;
diff --git a/src/cff/cffobjs.c b/src/cff/cffobjs.c
index f9013e7..29a14f9 100644
--- a/src/cff/cffobjs.c
+++ b/src/cff/cffobjs.c
@@ -1183,7 +1183,7 @@
   FT_LOCAL_DEF( FT_Error )
   cff_driver_init( FT_Module  module )        /* CFF_Driver */
   {
-    CFF_Driver  driver = (CFF_Driver)module;
+    PS_Driver  driver = (PS_Driver)module;
 
     FT_UInt32  seed;
 
diff --git a/src/cff/cffobjs.h b/src/cff/cffobjs.h
index 839a61c..9f3dff3 100644
--- a/src/cff/cffobjs.h
+++ b/src/cff/cffobjs.h
@@ -71,10 +71,10 @@
   /* Driver functions                                                      */
   /*                                                                       */
   FT_LOCAL( FT_Error )
-  cff_driver_init( FT_Module  module );         /* CFF_Driver */
+  cff_driver_init( FT_Module  module );         /* PS_Driver */
 
   FT_LOCAL( void )
-  cff_driver_done( FT_Module  module );         /* CFF_Driver */
+  cff_driver_done( FT_Module  module );         /* PS_Driver */
 
 
 FT_END_HEADER
diff --git a/src/psaux/psft.c b/src/psaux/psft.c
index 25d4a40..c91fedd 100644
--- a/src/psaux/psft.c
+++ b/src/psaux/psft.c
@@ -350,7 +350,7 @@
       /* build parameters for Adobe engine */
 
       PS_Builder*  builder = &decoder->builder;
-      CFF_Driver   driver  = (CFF_Driver)FT_FACE_DRIVER( builder->face );
+      PS_Driver    driver  = (PS_Driver)FT_FACE_DRIVER( builder->face );
 
       FT_Bool  no_stem_darkening_driver =
                  driver->no_stem_darkening;
diff --git a/src/psaux/psobjs.c b/src/psaux/psobjs.c
index dcb3474..eecbda6 100644
--- a/src/psaux/psobjs.c
+++ b/src/psaux/psobjs.c
@@ -1888,7 +1888,7 @@
       FT_Byte*    control = (FT_Byte*)outline->tags + outline->n_points;
 
 #ifdef CFF_CONFIG_OPTION_OLD_ENGINE
-      CFF_Driver  driver  = (CFF_Driver)FT_FACE_DRIVER( builder->face );
+      PS_Driver  driver   = (PS_Driver)FT_FACE_DRIVER( builder->face );
 
 
       if ( driver->hinting_engine == FT_CFF_HINTING_FREETYPE )
@@ -2161,7 +2161,7 @@
       FT_Byte*    control = (FT_Byte*)outline->tags + outline->n_points;
 
 #ifdef CFF_CONFIG_OPTION_OLD_ENGINE
-      CFF_Driver  driver  = (CFF_Driver)FT_FACE_DRIVER( builder->face );
+      PS_Driver  driver   = (PS_Driver)FT_FACE_DRIVER( builder->face );
 
 
       if ( driver->hinting_engine == FT_CFF_HINTING_FREETYPE )