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Change dimension fields in `FTC_ImageTypeRec' to unsigned type.

This doesn't break ABI.

* include/ftcache.h (FTC_ImageTypeRec): Use unsigned types for
`width' and `height'.

* docs/CHANGES: Document it.

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

--- a/ChangeLog

+++ b/ChangeLog

@@ -1,5 +1,16 @@

 2015-02-25  Werner Lemberg  <[email protected]>

+	Change dimension fields in `FTC_ImageTypeRec' to unsigned type.

+

+	This doesn't break ABI.

+

+	* include/ftcache.h (FTC_ImageTypeRec): Use unsigned types for

+	`width' and `height'.

+

+	* docs/CHANGES: Document it.

+

+2015-02-25  Werner Lemberg  <[email protected]>

+

 	[cache] Don't use `labs'.

 	This is the only place in FreeType where this function was used.

--- a/docs/CHANGES

+++ b/docs/CHANGES

@@ -1,5 +1,5 @@

-CHANGES BETWEEN 2.5.5 and 2.5.6

+CHANGES BETWEEN 2.5.5 and 2.6

   II. IMPORTANT CHANGES

@@ -20,6 +20,17 @@

       Any calls to `FT_Load_Glyph' and similar API are safe and do not

       need the lock  to be held as  long as the same  `FT_Face' is not

       used from multiple threads at the same time.

+

+

+  III. MISCELLANEOUS

+

+    - Some  fields  in  the  `FTC_ImageTypeRec'  structure  have  been

+      changed from signed to unsigned  type, which better reflects the

+      actual usage.  It is also an additional means to protect against

+      malformed input.

+

+      This  change doesn't  break  the ABI;  however,  it might  cause

+      compiler warnings.

 ======================================================================

--- a/include/ftcache.h

+++ b/include/ftcache.h

@@ -667,8 +667,8 @@

   typedef struct  FTC_ImageTypeRec_

   {

     FTC_FaceID  face_id;

-    FT_Int      width;

-    FT_Int      height;

+    FT_UInt     width;

+    FT_UInt     height;

     FT_Int32    flags;

   } FTC_ImageTypeRec;