ref: 6889f7b72debca592570687b0a220c7a15cbf9d2
parent: f0292bb9920aa1dbfed5f53861e7c7a89b35833a
author: Werner Lemberg <[email protected]>
date: Mon Nov 24 12:16:08 EST 2014
Remove all code related to FT_MAX_CHARMAP_CACHEABLE. This is no longer used. * src/base/ftobjs.c, src/cache/ftccmap.c, src/cff/cffobjs.c, src/sfnt/ttcmap.c: Do it.
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
2014-11-24 Werner Lemberg <[email protected]>
+ Remove all code related to FT_MAX_CHARMAP_CACHEABLE.
+
+ This is no longer used.
+
+ * src/base/ftobjs.c, src/cache/ftccmap.c, src/cff/cffobjs.c,
+ src/sfnt/ttcmap.c: Do it.
+
+2014-11-24 Werner Lemberg <[email protected]>
+
[sfnt] Fix Savannah bug #43680.
This adds an additional constraint to make the fix from 2013-01-25
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -1040,14 +1040,6 @@
( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE &&
cur[0]->encoding_id == TT_APPLE_ID_UNICODE_32 ) )
{
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- if ( cur - first > FT_MAX_CHARMAP_CACHEABLE )
- {
- FT_ERROR(( "find_unicode_charmap: UCS-4 cmap is found "
- "at too late position (%d)\n", cur - first ));
- continue;
- }
-#endif
face->charmap = cur[0];
return FT_Err_Ok;
}
@@ -1062,14 +1054,6 @@
{
if ( cur[0]->encoding == FT_ENCODING_UNICODE )
{
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- if ( cur - first > FT_MAX_CHARMAP_CACHEABLE )
- {
- FT_ERROR(( "find_unicode_charmap: UCS-2 cmap is found "
- "at too late position (%d)\n", cur - first ));
- continue;
- }
-#endif
face->charmap = cur[0];
return FT_Err_Ok;
}
@@ -1111,17 +1095,7 @@
if ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE &&
cur[0]->encoding_id == TT_APPLE_ID_VARIANT_SELECTOR &&
FT_Get_CMap_Format( cur[0] ) == 14 )
- {
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- if ( cur - first > FT_MAX_CHARMAP_CACHEABLE )
- {
- FT_ERROR(( "find_unicode_charmap: UVS cmap is found "
- "at too late position (%d)\n", cur - first ));
- continue;
- }
-#endif
return cur[0];
- }
}
return NULL;
@@ -3122,15 +3096,6 @@
{
if ( cur[0]->encoding == encoding )
{
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- if ( cur - face->charmaps > FT_MAX_CHARMAP_CACHEABLE )
- {
- FT_ERROR(( "FT_Select_Charmap: requested charmap is found (%d), "
- "but in too late position to cache\n",
- cur - face->charmaps ));
- continue;
- }
-#endif
face->charmap = cur[0];
return 0;
}
@@ -3165,15 +3130,6 @@
{
if ( cur[0] == charmap )
{
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- if ( cur - face->charmaps > FT_MAX_CHARMAP_CACHEABLE )
- {
- FT_ERROR(( "FT_Set_Charmap: requested charmap is found (%d), "
- "but in too late position to cache\n",
- cur - face->charmaps ));
- continue;
- }
-#endif
face->charmap = cur[0];
return 0;
}
@@ -3199,15 +3155,6 @@
FT_ASSERT( i < charmap->face->num_charmaps );
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- if ( i > FT_MAX_CHARMAP_CACHEABLE )
- {
- FT_ERROR(( "FT_Get_Charmap_Index: requested charmap is found (%d), "
- "but in too late position to cache\n",
- i ));
- return -i;
- }
-#endif
return i;
}
--- a/src/cache/ftccmap.c
+++ b/src/cache/ftccmap.c
@@ -301,12 +301,6 @@
if ( error )
goto Exit;
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- /* something rotten can happen with rogue clients */
- if ( cmap_index > FT_MAX_CHARMAP_CACHEABLE )
- return 0; /* XXX: should return appropriate error */
-#endif
-
if ( (FT_UInt)cmap_index < (FT_UInt)face->num_charmaps )
{
FT_CharMap old, cmap = NULL;
--- a/src/cff/cffobjs.c
+++ b/src/cff/cffobjs.c
@@ -4,7 +4,7 @@
/* */
/* OpenType objects manager (body). */
/* */
-/* Copyright 1996-2013 by */
+/* Copyright 1996-2014 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -943,16 +943,6 @@
if ( pure_cff && cff->top_font.font_dict.cid_registry != 0xFFFFU )
goto Exit;
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- if ( nn + 1 > FT_MAX_CHARMAP_CACHEABLE )
- {
- FT_ERROR(( "cff_face_init: no Unicode cmap is found, "
- "and too many subtables (%d) to add synthesized cmap\n",
- nn ));
- goto Exit;
- }
-#endif
-
/* we didn't find a Unicode charmap -- synthesize one */
cmaprec.face = cffface;
cmaprec.platform_id = TT_PLATFORM_MICROSOFT;
@@ -973,15 +963,6 @@
cffface->charmap = cffface->charmaps[nn];
Skip_Unicode:
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- if ( nn > FT_MAX_CHARMAP_CACHEABLE )
- {
- FT_ERROR(( "cff_face_init: Unicode cmap is found, "
- "but too many preceding subtables (%d) to access\n",
- nn - 1 ));
- goto Exit;
- }
-#endif
if ( encoding->count > 0 )
{
FT_CMap_Class clazz;
--- a/src/sfnt/ttcmap.c
+++ b/src/sfnt/ttcmap.c
@@ -3502,14 +3502,6 @@
num_cmaps = TT_NEXT_USHORT( p );
-#ifdef FT_MAX_CHARMAP_CACHEABLE
- if ( num_cmaps > FT_MAX_CHARMAP_CACHEABLE )
- FT_ERROR(( "tt_face_build_cmaps: too many cmap subtables (%d)\n"
- " subtable #%d and higher are loaded"
- " but cannot be searched\n",
- num_cmaps, FT_MAX_CHARMAP_CACHEABLE + 1 ));
-#endif
-
for ( ; num_cmaps > 0 && p + 8 <= limit; num_cmaps-- )
{
FT_CharMapRec charmap;