--- a/misc/libfreetype/src/gxvalid/gxvmorx.c Tue Jul 16 11:14:27 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,184 +0,0 @@
-/***************************************************************************/
-/* */
-/* gxvmorx.c */
-/* */
-/* TrueTypeGX/AAT morx table validation (body). */
-/* */
-/* Copyright 2005, 2008 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 "gxvmorx.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_gxvmorx
-
-
- static void
- gxv_morx_subtables_validate( FT_Bytes table,
- FT_Bytes limit,
- FT_UShort nSubtables,
- GXV_Validator valid )
- {
- FT_Bytes p = table;
-
- GXV_Validate_Func fmt_funcs_table[] =
- {
- gxv_morx_subtable_type0_validate, /* 0 */
- gxv_morx_subtable_type1_validate, /* 1 */
- gxv_morx_subtable_type2_validate, /* 2 */
- NULL, /* 3 */
- gxv_morx_subtable_type4_validate, /* 4 */
- gxv_morx_subtable_type5_validate, /* 5 */
-
- };
-
- GXV_Validate_Func func;
-
- FT_UShort i;
-
-
- GXV_NAME_ENTER( "subtables in a chain" );
-
- for ( i = 0; i < nSubtables; i++ )
- {
- FT_ULong length;
- FT_ULong coverage;
- FT_ULong subFeatureFlags;
- FT_ULong type;
- FT_ULong rest;
-
-
- GXV_LIMIT_CHECK( 4 + 4 + 4 );
- length = FT_NEXT_ULONG( p );
- coverage = FT_NEXT_ULONG( p );
- subFeatureFlags = FT_NEXT_ULONG( p );
-
- GXV_TRACE(( "validating chain subtable %d/%d (%d bytes)\n",
- i + 1, nSubtables, length ));
-
- type = coverage & 0x0007;
- rest = length - ( 4 + 4 + 4 );
- GXV_LIMIT_CHECK( rest );
-
- /* morx coverage consists of mort_coverage & 16bit padding */
- gxv_mort_coverage_validate( (FT_UShort)( ( coverage >> 16 ) | coverage ),
- valid );
- if ( type > 5 )
- FT_INVALID_FORMAT;
-
- func = fmt_funcs_table[type];
- if ( func == NULL )
- GXV_TRACE(( "morx type %d is reserved\n", type ));
-
- func( p, p + rest, valid );
-
- p += rest;
- }
-
- valid->subtable_length = p - table;
-
- GXV_EXIT;
- }
-
-
- static void
- gxv_morx_chain_validate( FT_Bytes table,
- FT_Bytes limit,
- GXV_Validator valid )
- {
- FT_Bytes p = table;
- FT_ULong defaultFlags;
- FT_ULong chainLength;
- FT_ULong nFeatureFlags;
- FT_ULong nSubtables;
-
-
- GXV_NAME_ENTER( "morx chain header" );
-
- GXV_LIMIT_CHECK( 4 + 4 + 4 + 4 );
- defaultFlags = FT_NEXT_ULONG( p );
- chainLength = FT_NEXT_ULONG( p );
- nFeatureFlags = FT_NEXT_ULONG( p );
- nSubtables = FT_NEXT_ULONG( p );
-
- /* feature-array of morx is same with that of mort */
- gxv_mort_featurearray_validate( p, limit, nFeatureFlags, valid );
- p += valid->subtable_length;
-
- if ( nSubtables >= 0x10000L )
- FT_INVALID_DATA;
-
- gxv_morx_subtables_validate( p, table + chainLength,
- (FT_UShort)nSubtables, valid );
-
- valid->subtable_length = chainLength;
-
- GXV_EXIT;
- }
-
-
- FT_LOCAL_DEF( void )
- gxv_morx_validate( FT_Bytes table,
- FT_Face face,
- FT_Validator ftvalid )
- {
- GXV_ValidatorRec validrec;
- GXV_Validator valid = &validrec;
- FT_Bytes p = table;
- FT_Bytes limit = 0;
- FT_ULong version;
- FT_ULong nChains;
- FT_ULong i;
-
-
- valid->root = ftvalid;
- valid->face = face;
-
- FT_TRACE3(( "validating `morx' table\n" ));
- GXV_INIT;
-
- GXV_LIMIT_CHECK( 4 + 4 );
- version = FT_NEXT_ULONG( p );
- nChains = FT_NEXT_ULONG( p );
-
- if ( version != 0x00020000UL )
- FT_INVALID_FORMAT;
-
- for ( i = 0; i < nChains; i++ )
- {
- GXV_TRACE(( "validating chain %d/%d\n", i + 1, nChains ));
- GXV_32BIT_ALIGNMENT_VALIDATE( p - table );
- gxv_morx_chain_validate( p, limit, valid );
- p += valid->subtable_length;
- }
-
- FT_TRACE4(( "\n" ));
- }
-
-
-/* END */