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[freetype2] master 905270925: [truetype] Fix undefined pointer arithmeti
From: |
Werner Lemberg |
Subject: |
[freetype2] master 905270925: [truetype] Fix undefined pointer arithmetic. |
Date: |
Thu, 29 Sep 2022 14:44:56 -0400 (EDT) |
branch: master
commit 905270925dd0492ba557e58938e5513f062e6fc5
Author: mlugg <mlugg@mlugg.co.uk>
Commit: Werner Lemberg <wl@gnu.org>
[truetype] Fix undefined pointer arithmetic.
* src/truetype/ttgxvar.c (tt_var_get_item_delta, ft_var_load_mvar): Use
`FT_OFFSET`.
---
src/truetype/ttgxvar.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/truetype/ttgxvar.c b/src/truetype/ttgxvar.c
index 963ce417e..3c918caa2 100644
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@@ -966,7 +966,8 @@
/* in the OpenType specification. */
varData = &itemStore->varData[outerIndex];
- deltaSet = &varData->deltaSet[varData->regionIdxCount * innerIndex];
+ deltaSet = FT_OFFSET( varData->deltaSet,
+ varData->regionIdxCount * innerIndex );
if ( FT_QNEW_ARRAY( scalars, varData->regionIdxCount ) )
return 0;
@@ -1353,7 +1354,7 @@
return;
value = blend->mvar_table->values;
- limit = value + blend->mvar_table->valueCount;
+ limit = FT_OFFSET( value, blend->mvar_table->valueCount );
itemStore = &blend->mvar_table->itemStore;
for ( ; value < limit; value++ )
@@ -1386,7 +1387,7 @@
FT_TRACE2(( "loaded\n" ));
value = blend->mvar_table->values;
- limit = value + blend->mvar_table->valueCount;
+ limit = FT_OFFSET( value, blend->mvar_table->valueCount );
/* save original values of the data MVAR is going to modify */
for ( ; value < limit; value++ )
@@ -1451,7 +1452,7 @@
return;
value = blend->mvar_table->values;
- limit = value + blend->mvar_table->valueCount;
+ limit = FT_OFFSET( value, blend->mvar_table->valueCount );
for ( ; value < limit; value++ )
{
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