Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/base/ftinit.c

Index: third_party/freetype2/src/src/base/ftinit.c
diff --git a/third_party/freetype2/src/src/base/ftinit.c b/third_party/freetype2/src/src/base/ftinit.c
new file mode 100644
index 0000000000000000000000000000000000000000..b65a91d06c6819217e54689d6fba1a5c075c1ad1
--- /dev/null
+++ b/third_party/freetype2/src/src/base/ftinit.c
@@ -0,0 +1,286 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftinit.c                                                               */
+/*                                                                         */
+/*    FreeType initialization layer (body).                                */
+/*                                                                         */
+/*  Copyright 1996-2015 by                                                 */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  This file is part of the FreeType project, and may only be used,       */
+/*  modified, and distributed under the terms of the FreeType project      */
+/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
+/*  this file you indicate that you have read the license and              */
+/*  understand and accept it fully.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+  /*************************************************************************/
+  /*                                                                       */
+  /*  The purpose of this file is to implement the following two           */
+  /*  functions:                                                           */
+  /*                                                                       */
+  /*  FT_Add_Default_Modules():                                            */
+  /*     This function is used to add the set of default modules to a      */
+  /*     fresh new library object.  The set is taken from the header file  */
+  /*     `freetype/config/ftmodule.h'.  See the document `FreeType 2.0     */
+  /*     Build System' for more information.                               */
+  /*                                                                       */
+  /*  FT_Init_FreeType():                                                  */
+  /*     This function creates a system object for the current platform,   */
+  /*     builds a library out of it, then calls FT_Default_Drivers().      */
+  /*                                                                       */
+  /*  Note that even if FT_Init_FreeType() uses the implementation of the  */
+  /*  system object defined at build time, client applications are still   */
+  /*  able to provide their own `ftsystem.c'.                              */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+#include <ft2build.h>
+#include FT_CONFIG_CONFIG_H
+#include FT_INTERNAL_OBJECTS_H
+#include FT_INTERNAL_DEBUG_H
+#include FT_MODULE_H
+#include "basepic.h"
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
+  /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
+  /* messages during execution.                                            */
+  /*                                                                       */
+#undef  FT_COMPONENT
+#define FT_COMPONENT  trace_init
+
+
+#ifndef FT_CONFIG_OPTION_PIC
+
+
+#undef  FT_USE_MODULE
+#ifdef __cplusplus
+#define FT_USE_MODULE( type, x )  extern "C" const type  x;
+#else
+#define FT_USE_MODULE( type, x )  extern const type  x;
+#endif
+
+#include FT_CONFIG_MODULES_H
+
+#undef  FT_USE_MODULE
+#define FT_USE_MODULE( type, x )  (const FT_Module_Class*)&(x),
+
+  static
+  const FT_Module_Class*  const ft_default_modules[] =
+  {
+#include FT_CONFIG_MODULES_H
+    0
+  };
+
+
+#else /* FT_CONFIG_OPTION_PIC */
+
+
+#ifdef __cplusplus
+#define FT_EXTERNC  extern "C"
+#else
+#define FT_EXTERNC  extern
+#endif
+
+  /* declare the module's class creation/destruction functions */
+#undef  FT_USE_MODULE
+#define FT_USE_MODULE( type, x )                            \
+  FT_EXTERNC FT_Error                                       \
+  FT_Create_Class_ ## x( FT_Library         library,        \
+                         FT_Module_Class*  *output_class ); \
+  FT_EXTERNC void                                           \
+  FT_Destroy_Class_ ## x( FT_Library        library,        \
+                          FT_Module_Class*  clazz );
+
+#include FT_CONFIG_MODULES_H
+
+  /* count all module classes */
+#undef  FT_USE_MODULE
+#define FT_USE_MODULE( type, x )  MODULE_CLASS_ ## x,
+
+  enum
+  {
+#include FT_CONFIG_MODULES_H
+    FT_NUM_MODULE_CLASSES
+  };
+
+  /* destroy all module classes */
+#undef  FT_USE_MODULE
+#define FT_USE_MODULE( type, x )                   \
+  if ( classes[i] )                                \
+  {                                                \
+    FT_Destroy_Class_ ## x( library, classes[i] ); \
+  }                                                \
+  i++;
+
+
+  FT_BASE_DEF( void )
+  ft_destroy_default_module_classes( FT_Library  library )
+  {
+    FT_Module_Class*  *classes;
+    FT_Memory          memory;
+    FT_UInt            i;
+    BasePIC*           pic_container = (BasePIC*)library->pic_container.base;
+
+
+    if ( !pic_container->default_module_classes )
+      return;
+
+    memory  = library->memory;
+    classes = pic_container->default_module_classes;
+    i       = 0;
+
+#include FT_CONFIG_MODULES_H
+
+    FT_FREE( classes );
+    pic_container->default_module_classes = NULL;
+  }
+
+
+  /* initialize all module classes and the pointer table */
+#undef  FT_USE_MODULE
+#define FT_USE_MODULE( type, x )                     \
+  error = FT_Create_Class_ ## x( library, &clazz );  \
+  if ( error )                                       \
+    goto Exit;                                       \
+  classes[i++] = clazz;
+
+
+  FT_BASE_DEF( FT_Error )
+  ft_create_default_module_classes( FT_Library  library )
+  {
+    FT_Error           error;
+    FT_Memory          memory;
+    FT_Module_Class*  *classes = NULL;
+    FT_Module_Class*   clazz;
+    FT_UInt            i;
+    BasePIC*           pic_container = (BasePIC*)library->pic_container.base;
+
+
+    memory = library->memory;
+
+    pic_container->default_module_classes = NULL;
+
+    if ( FT_ALLOC( classes, sizeof ( FT_Module_Class* ) *
+                              ( FT_NUM_MODULE_CLASSES + 1 ) ) )
+      return error;
+
+    /* initialize all pointers to 0, especially the last one */
+    for ( i = 0; i < FT_NUM_MODULE_CLASSES; i++ )
+      classes[i] = NULL;
+    classes[FT_NUM_MODULE_CLASSES] = NULL;
+
+    i = 0;
+
+#include FT_CONFIG_MODULES_H
+
+  Exit:
+    if ( error )
+      ft_destroy_default_module_classes( library );
+    else
+      pic_container->default_module_classes = classes;
+
+    return error;
+  }
+
+
+#endif /* FT_CONFIG_OPTION_PIC */
+
+
+  /* documentation is in ftmodapi.h */
+
+  FT_EXPORT_DEF( void )
+  FT_Add_Default_Modules( FT_Library  library )
+  {
+    FT_Error                       error;
+    const FT_Module_Class* const*  cur;
+
+
+    /* FT_DEFAULT_MODULES_GET dereferences `library' in PIC mode */
+#ifdef FT_CONFIG_OPTION_PIC
+    if ( !library )
+      return;
+#endif
+
+    /* GCC 4.6 warns the type difference:
+     *   FT_Module_Class** != const FT_Module_Class* const*
+     */
+    cur = (const FT_Module_Class* const*)FT_DEFAULT_MODULES_GET;
+
+    /* test for valid `library' delayed to FT_Add_Module() */
+    while ( *cur )
+    {
+      error = FT_Add_Module( library, *cur );
+      /* notify errors, but don't stop */
+      if ( error )
+        FT_TRACE0(( "FT_Add_Default_Module:"
+                    " Cannot install `%s', error = 0x%x\n",
+                    (*cur)->module_name, error ));
+      cur++;
+    }
+  }
+
+
+  /* documentation is in freetype.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Init_FreeType( FT_Library  *alibrary )
+  {
+    FT_Error   error;
+    FT_Memory  memory;
+
+
+    /* check of `alibrary' delayed to `FT_New_Library' */
+
+    /* First of all, allocate a new system object -- this function is part */
+    /* of the system-specific component, i.e. `ftsystem.c'.                */
+
+    memory = FT_New_Memory();
+    if ( !memory )
+    {
+      FT_ERROR(( "FT_Init_FreeType: cannot find memory manager\n" ));
+      return FT_THROW( Unimplemented_Feature );
+    }
+
+    /* build a library out of it, then fill it with the set of */
+    /* default drivers.                                        */
+
+    error = FT_New_Library( memory, alibrary );
+    if ( error )
+      FT_Done_Memory( memory );
+    else
+      FT_Add_Default_Modules( *alibrary );
+
+    return error;
+  }
+
+
+  /* documentation is in freetype.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Done_FreeType( FT_Library  library )
+  {
+    FT_Memory  memory;
+
+
+    if ( !library )
+      return FT_THROW( Invalid_Library_Handle );
+
+    memory = library->memory;
+
+    /* Discard the library object */
+    FT_Done_Library( library );
+
+    /* discard memory manager */
+    FT_Done_Memory( memory );
+
+    return FT_Err_Ok;
+  }
+
+
+/* END */