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* src/sfnt/ttgpos.c (tt_face_validate_*): Fix check signedness.

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This is an alternative to !398 without signed -1.
This commit is contained in:
Alexei Podtelezhnikov 2026-02-03 20:16:32 -05:00
parent 28407bc8cd
commit 676e8b8637
1 changed files with 11 additions and 11 deletions
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22
src/sfnt/ttgpos.c
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@ -55,7 +55,7 @@
FT_Byte* p = table;
FT_Byte* limit;
FT_Long last_id = -1;
FT_UInt next_id = 0;
if ( table_limit < p + 4 )
@ -79,9 +79,9 @@
FT_UInt id = FT_NEXT_USHORT( p );
if ( last_id >= id )
if ( next_id > id )
return FALSE;
last_id = id;
next_id = id + 1;
}
}
else if ( format == 2 )
@ -103,9 +103,9 @@
if ( startGlyphID > endGlyphID )
return FALSE;
if ( last_id >= startGlyphID )
if ( next_id > startGlyphID )
return FALSE;
last_id = endGlyphID;
next_id = endGlyphID + 1;
/* XXX: Is this modulo 65536 arithmetic? */
if ( startCoverageIndex + endGlyphID - startGlyphID >=
@ -164,7 +164,7 @@
else if ( format == 2 )
{
FT_UInt classRangeCount;
FT_Long last_id = -1;
FT_UInt next_id = 0;
if ( table_limit < p + 2 )
@ -185,9 +185,9 @@
if ( startGlyphID > endGlyphID )
return FALSE;
if ( last_id >= startGlyphID )
if ( next_id > startGlyphID )
return FALSE;
last_id = endGlyphID;
next_id = endGlyphID + 1;
if ( class_value > max_class_value )
max_class_value = class_value;
@ -291,7 +291,7 @@
FT_Byte* p = table;
FT_Byte* limit;
FT_Long last_id = -1;
FT_UInt next_id = 0;
if ( table_limit < p + 2 )
@ -311,10 +311,10 @@
FT_UInt id = FT_NEXT_USHORT( p );
if ( last_id >= id )
if ( next_id > id )
return FALSE;
last_id = id;
next_id = id + 1;
p += 2; /* Skip `valueRecord1`. */
}