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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2018-05-04 03:48:43 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2018-05-04 03:48:43 +0000
commit90faf12dc7ac78559d3bb81953320d776a835e4b (patch)
tree63f5984f95b88d6b61bb33f35f15291027b5b2b0 /Build/source/libs/freetype2/freetype-src/src/cff
parent0544c09782621c9e10d568d81d543db34e07af83 (diff)
freetype-2.9.1
git-svn-id: svn://tug.org/texlive/trunk@47607 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/cff')
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/cff/cffload.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/cff/cffload.c b/Build/source/libs/freetype2/freetype-src/src/cff/cffload.c
index ba49793dc8a..1c6fe515667 100644
--- a/Build/source/libs/freetype2/freetype-src/src/cff/cffload.c
+++ b/Build/source/libs/freetype2/freetype-src/src/cff/cffload.c
@@ -1933,6 +1933,24 @@
else if ( priv->initial_random_seed == 0 )
priv->initial_random_seed = 987654321;
+ /* some sanitizing to avoid overflows later on; */
+ /* the upper limits are ad-hoc values */
+ if ( priv->blue_shift > 1000 || priv->blue_shift < 0 )
+ {
+ FT_TRACE2(( "cff_load_private_dict:"
+ " setting unlikely BlueShift value %d to default (7)\n",
+ priv->blue_shift ));
+ priv->blue_shift = 7;
+ }
+
+ if ( priv->blue_fuzz > 1000 || priv->blue_fuzz < 0 )
+ {
+ FT_TRACE2(( "cff_load_private_dict:"
+ " setting unlikely BlueFuzz value %d to default (1)\n",
+ priv->blue_fuzz ));
+ priv->blue_fuzz = 1;
+ }
+
Exit:
/* clean up */
cff_blend_clear( subfont ); /* clear blend stack */