truetype: Truncate the instructions upto 16-bit per a glyph.
diff --git a/ChangeLog b/ChangeLog
index 576526e..3de1bba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2009-07-31 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
+ truetype: Truncate the instructions upto 16-bit per a glyph.
+
+ * src/truetype/ttgload.c (TT_Hint_Glyph): Truncate
+ the instructions upto 16-bit length per a glyph.
+
+2009-07-31 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
+
truetype: Cast the numerical operands to 32-bit for LP64 systems.
* src/truetype/ttinterp.c (Ins_SPHIX, INS_MIAP,
diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c
index 2a0e5d3..5d48e8f 100644
--- a/src/truetype/ttgload.c
+++ b/src/truetype/ttgload.c
@@ -633,7 +633,13 @@
#ifdef TT_USE_BYTECODE_INTERPRETER
- n_ins = loader->glyph->control_len;
+ if ( loader->glyph->control_len > 0xFFFFL )
+ {
+ FT_TRACE1(( "TT_Hint_Glyph: too long instructions " ));
+ FT_TRACE1(( "(0x%lx byte) is truncated\n",
+ loader->glyph->control_len ));
+ }
+ n_ins = (FT_UInt)( loader->glyph->control_len );
#endif
origin = zone->cur[zone->n_points - 4].x;