shithub: freetype+ttf2subf

Info  •  Files  •  Log  •  Branches

[base] Fix integer overflows in dd5718c7d67a.

* src/base/ftoutln.c (FT_Outline_EmboldenXY): Use FT_MulDiv.

git/fs: mount .git/fs: mount/attach disallowed

--- a/ChangeLog

+++ b/ChangeLog

@@ -1,3 +1,9 @@

+2012-11-15  Alexei Podtelezhnikov  <[email protected]>

+

+	[base] Fix integer overflows in dd5718c7d67a.

+

+	* src/base/ftoutln.c (FT_Outline_EmboldenXY): Use FT_MulDiv.

+

 2012-11-15  Werner Lemberg  <[email protected]>

 	[autofit] Trace stem widths.

--- a/src/base/ftoutln.c

+++ b/src/base/ftoutln.c

@@ -968,13 +968,13 @@

           if ( orientation == FT_ORIENTATION_TRUETYPE )

             q = -q;

-          if ( xstrength * q < d * l )

+          if ( FT_MulDiv( xstrength, q, l ) < d )

             shift.x = FT_MulDiv( shift.x, xstrength, d );

           else

             shift.x = FT_MulDiv( shift.x, l, q );

-          if ( ystrength * q < d * l )

+          if ( FT_MulDiv( ystrength, q, l ) < d )

             shift.y = FT_MulDiv( shift.y, ystrength, d );

           else

             shift.y = FT_MulDiv( shift.y, l, q );