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When loading in Load_Chain{Sub,Pos}ClassRule, the limit we have only

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Tue Apr 15 11:49:39 2003  Owen Taylor  <otaylor@redhat.com>

        * pango/opentype/ftxg{sub/pos}.c: When loading
        in Load_Chain{Sub,Pos}ClassRule, the limit we
        have only applies to the input ClassDef table.
        Fixes problem with Arial Unicode. Much help from
        Noah Levitt in tracing this down.
This commit is contained in:
Owen Taylor 2003-04-16 03:58:17 +00:00 committed by Owen Taylor
parent 0d7567f8ea
commit 587b3940f3
2 changed files with 8 additions and 6 deletions
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7
src/ftxgpos.c
View File

@ -4827,13 +4827,14 @@
lookahead_offset = GET_UShort();
/* `ChainPosClassSetCount' is the upper limit for input class values,
thus we read it now to make an additional safety check. */
thus we read it now to make an additional safety check. No limit
is known or needed for the other two class definitions */
count = ccpf2->ChainPosClassSetCount = GET_UShort();
FORGET_Frame();
if ( ( error = Load_EmptyOrClassDefinition( &ccpf2->BacktrackClassDef, count,
if ( ( error = Load_EmptyOrClassDefinition( &ccpf2->BacktrackClassDef, 65535,
backtrack_offset, base_offset,
stream ) ) != TT_Err_Ok )
goto Fail5;
@ -4841,7 +4842,7 @@
input_offset, base_offset,
stream ) ) != TT_Err_Ok )
goto Fail4;
if ( ( error = Load_EmptyOrClassDefinition( &ccpf2->LookaheadClassDef, count,
if ( ( error = Load_EmptyOrClassDefinition( &ccpf2->LookaheadClassDef, 65535,
lookahead_offset, base_offset,
stream ) ) != TT_Err_Ok )
goto Fail3;

7
src/ftxgsub.c
View File

@ -2994,13 +2994,14 @@
lookahead_offset = GET_UShort();
/* `ChainSubClassSetCount' is the upper limit for input class values,
thus we read it now to make an additional safety check. */
thus we read it now to make an additional safety check. No limit
is known or needed for the other two class definitions */
count = ccsf2->ChainSubClassSetCount = GET_UShort();
FORGET_Frame();
if ( ( error = Load_EmptyOrClassDefinition( &ccsf2->BacktrackClassDef, count,
if ( ( error = Load_EmptyOrClassDefinition( &ccsf2->BacktrackClassDef, 65535,
backtrack_offset, base_offset,
stream ) ) != TT_Err_Ok )
goto Fail5;
@ -3009,7 +3010,7 @@
input_offset, base_offset,
stream ) ) != TT_Err_Ok )
goto Fail4;
if ( ( error = Load_EmptyOrClassDefinition( &ccsf2->LookaheadClassDef, count,
if ( ( error = Load_EmptyOrClassDefinition( &ccsf2->LookaheadClassDef, 65535,
lookahead_offset, base_offset,
stream ) ) != TT_Err_Ok )
goto Fail3;