diff -r 92af50454cf2 -r 8054d9d775fd misc/libfreetype/src/gxvalid/gxvmod.c --- a/misc/libfreetype/src/gxvalid/gxvmod.c Fri Oct 11 11:55:31 2013 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,285 +0,0 @@ -/***************************************************************************/ -/* */ -/* gxvmod.c */ -/* */ -/* FreeType's TrueTypeGX/AAT validation module implementation (body). */ -/* */ -/* Copyright 2004, 2005, 2006 */ -/* by suzuki toshiya, Masatake YAMATO, Red Hat K.K., */ -/* 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. */ -/* */ -/***************************************************************************/ - -/***************************************************************************/ -/* */ -/* gxvalid is derived from both gxlayout module and otvalid module. */ -/* Development of gxlayout is supported by the Information-technology */ -/* Promotion Agency(IPA), Japan. */ -/* */ -/***************************************************************************/ - - -#include -#include FT_TRUETYPE_TABLES_H -#include FT_TRUETYPE_TAGS_H -#include FT_GX_VALIDATE_H -#include FT_INTERNAL_OBJECTS_H -#include FT_SERVICE_GX_VALIDATE_H - -#include "gxvmod.h" -#include "gxvalid.h" -#include "gxvcommn.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_gxvmodule - - - static FT_Error - gxv_load_table( FT_Face face, - FT_Tag tag, - FT_Byte* volatile* table, - FT_ULong* table_len ) - { - FT_Error error; - FT_Memory memory = FT_FACE_MEMORY( face ); - - - error = FT_Load_Sfnt_Table( face, tag, 0, NULL, table_len ); - if ( error == GXV_Err_Table_Missing ) - return GXV_Err_Ok; - if ( error ) - goto Exit; - - if ( FT_ALLOC( *table, *table_len ) ) - goto Exit; - - error = FT_Load_Sfnt_Table( face, tag, 0, *table, table_len ); - - Exit: - return error; - } - - -#define GXV_TABLE_DECL( _sfnt ) \ - FT_Byte* volatile _sfnt = NULL; \ - FT_ULong len_ ## _sfnt = 0 - -#define GXV_TABLE_LOAD( _sfnt ) \ - if ( ( FT_VALIDATE_ ## _sfnt ## _INDEX < table_count ) && \ - ( gx_flags & FT_VALIDATE_ ## _sfnt ) ) \ - { \ - error = gxv_load_table( face, TTAG_ ## _sfnt, \ - &_sfnt, &len_ ## _sfnt ); \ - if ( error ) \ - goto Exit; \ - } - -#define GXV_TABLE_VALIDATE( _sfnt ) \ - if ( _sfnt ) \ - { \ - ft_validator_init( &valid, _sfnt, _sfnt + len_ ## _sfnt, \ - FT_VALIDATE_DEFAULT ); \ - if ( ft_setjmp( valid.jump_buffer ) == 0 ) \ - gxv_ ## _sfnt ## _validate( _sfnt, face, &valid ); \ - error = valid.error; \ - if ( error ) \ - goto Exit; \ - } - -#define GXV_TABLE_SET( _sfnt ) \ - if ( FT_VALIDATE_ ## _sfnt ## _INDEX < table_count ) \ - tables[FT_VALIDATE_ ## _sfnt ## _INDEX] = (FT_Bytes)_sfnt - - - static FT_Error - gxv_validate( FT_Face face, - FT_UInt gx_flags, - FT_Bytes tables[FT_VALIDATE_GX_LENGTH], - FT_UInt table_count ) - { - FT_Memory volatile memory = FT_FACE_MEMORY( face ); - - FT_Error error = GXV_Err_Ok; - FT_ValidatorRec volatile valid; - - FT_UInt i; - - - GXV_TABLE_DECL( feat ); - GXV_TABLE_DECL( bsln ); - GXV_TABLE_DECL( trak ); - GXV_TABLE_DECL( just ); - GXV_TABLE_DECL( mort ); - GXV_TABLE_DECL( morx ); - GXV_TABLE_DECL( kern ); - GXV_TABLE_DECL( opbd ); - GXV_TABLE_DECL( prop ); - GXV_TABLE_DECL( lcar ); - - for ( i = 0; i < table_count; i++ ) - tables[i] = 0; - - /* load tables */ - GXV_TABLE_LOAD( feat ); - GXV_TABLE_LOAD( bsln ); - GXV_TABLE_LOAD( trak ); - GXV_TABLE_LOAD( just ); - GXV_TABLE_LOAD( mort ); - GXV_TABLE_LOAD( morx ); - GXV_TABLE_LOAD( kern ); - GXV_TABLE_LOAD( opbd ); - GXV_TABLE_LOAD( prop ); - GXV_TABLE_LOAD( lcar ); - - /* validate tables */ - GXV_TABLE_VALIDATE( feat ); - GXV_TABLE_VALIDATE( bsln ); - GXV_TABLE_VALIDATE( trak ); - GXV_TABLE_VALIDATE( just ); - GXV_TABLE_VALIDATE( mort ); - GXV_TABLE_VALIDATE( morx ); - GXV_TABLE_VALIDATE( kern ); - GXV_TABLE_VALIDATE( opbd ); - GXV_TABLE_VALIDATE( prop ); - GXV_TABLE_VALIDATE( lcar ); - - /* Set results */ - GXV_TABLE_SET( feat ); - GXV_TABLE_SET( mort ); - GXV_TABLE_SET( morx ); - GXV_TABLE_SET( bsln ); - GXV_TABLE_SET( just ); - GXV_TABLE_SET( kern ); - GXV_TABLE_SET( opbd ); - GXV_TABLE_SET( trak ); - GXV_TABLE_SET( prop ); - GXV_TABLE_SET( lcar ); - - Exit: - if ( error ) - { - FT_FREE( feat ); - FT_FREE( bsln ); - FT_FREE( trak ); - FT_FREE( just ); - FT_FREE( mort ); - FT_FREE( morx ); - FT_FREE( kern ); - FT_FREE( opbd ); - FT_FREE( prop ); - FT_FREE( lcar ); - } - - return error; - } - - - static FT_Error - classic_kern_validate( FT_Face face, - FT_UInt ckern_flags, - FT_Bytes* ckern_table ) - { - FT_Memory volatile memory = FT_FACE_MEMORY( face ); - - FT_Byte* volatile ckern = NULL; - FT_ULong len_ckern = 0; - - /* without volatile on `error' GCC 4.1.1. emits: */ - /* warning: variable 'error' might be clobbered by 'longjmp' or 'vfork' */ - /* this warning seems spurious but --- */ - FT_Error volatile error = GXV_Err_Ok; - FT_ValidatorRec volatile valid; - - - *ckern_table = NULL; - - error = gxv_load_table( face, TTAG_kern, &ckern, &len_ckern ); - if ( error ) - goto Exit; - - if ( ckern ) - { - ft_validator_init( &valid, ckern, ckern + len_ckern, - FT_VALIDATE_DEFAULT ); - if ( ft_setjmp( valid.jump_buffer ) == 0 ) - gxv_kern_validate_classic( ckern, face, - ckern_flags & FT_VALIDATE_CKERN, &valid ); - error = valid.error; - if ( error ) - goto Exit; - } - - *ckern_table = ckern; - - Exit: - if ( error ) - FT_FREE( ckern ); - - return error; - } - - - static - const FT_Service_GXvalidateRec gxvalid_interface = - { - gxv_validate - }; - - - static - const FT_Service_CKERNvalidateRec ckernvalid_interface = - { - classic_kern_validate - }; - - - static - const FT_ServiceDescRec gxvalid_services[] = - { - { FT_SERVICE_ID_GX_VALIDATE, &gxvalid_interface }, - { FT_SERVICE_ID_CLASSICKERN_VALIDATE, &ckernvalid_interface }, - { NULL, NULL } - }; - - - static FT_Pointer - gxvalid_get_service( FT_Module module, - const char* service_id ) - { - FT_UNUSED( module ); - - return ft_service_list_lookup( gxvalid_services, service_id ); - } - - - FT_CALLBACK_TABLE_DEF - const FT_Module_Class gxv_module_class = - { - 0, - sizeof( FT_ModuleRec ), - "gxvalid", - 0x10000L, - 0x20000L, - - 0, /* module-specific interface */ - - (FT_Module_Constructor)0, - (FT_Module_Destructor) 0, - (FT_Module_Requester) gxvalid_get_service - }; - - -/* END */