1 files changed, 23 insertions, 14 deletions

diff --git a/src/3rdparty/freetype/src/type42/t42objs.c b/src/3rdparty/freetype/src/type42/t42objs.c
index d31bace451..bf4028e751 100644
--- a/src/3rdparty/freetype/src/type42/t42objs.c
+++ b/src/3rdparty/freetype/src/type42/t42objs.c
@@ -4,7 +4,7 @@
  *
  *   Type 42 objects manager (body).
  *
- * Copyright (C) 2002-2019 by
+ * Copyright (C) 2002-2023 by
  * Roberto Alameda.
  *
  * This file is part of the FreeType project, and may only be used,
@@ -19,9 +19,9 @@
 #include "t42objs.h"
 #include "t42parse.h"
 #include "t42error.h"
-#include FT_INTERNAL_DEBUG_H
-#include FT_LIST_H
-#include FT_TRUETYPE_IDS_H
+#include <freetype/internal/ftdebug.h>
+#include <freetype/ftlist.h>
+#include <freetype/ttnameid.h>
 
 
 #undef  FT_COMPONENT
@@ -44,14 +44,8 @@
 
     parser = &loader.parser;
 
-    if ( FT_ALLOC( face->ttf_data, 12 ) )
-      goto Exit;
-
-    /* while parsing the font we always update `face->ttf_size' so that */
-    /* even in case of buggy data (which might lead to premature end of */
-    /* scanning without causing an error) the call to `FT_Open_Face' in */
-    /* `T42_Face_Init' passes the correct size                          */
-    face->ttf_size = 12;
+    face->ttf_data = NULL;
+    face->ttf_size = 0;
 
     error = t42_parser_init( parser,
                              face->root.stream,
@@ -152,6 +146,11 @@
 
   Exit:
     t42_loader_done( &loader );
+    if ( error )
+    {
+      FT_FREE( face->ttf_data );
+      face->ttf_size = 0;
+    }
     return error;
   }
 
@@ -510,7 +509,8 @@
 
 
     error = FT_New_Size( t42face->ttf_face, &ttsize );
-    t42size->ttsize = ttsize;
+    if ( !error )
+      t42size->ttsize = ttsize;
 
     FT_Activate_Size( ttsize );
 
@@ -582,6 +582,7 @@
     FT_Face        face    = t42slot->face;
     T42_Face       t42face = (T42_Face)face;
     FT_GlyphSlot   ttslot;
+    FT_Memory      memory  = face->memory;
     FT_Error       error   = FT_Err_Ok;
 
 
@@ -593,9 +594,15 @@
     else
     {
       error = FT_New_GlyphSlot( t42face->ttf_face, &ttslot );
-      slot->ttslot = ttslot;
+      if ( !error )
+        slot->ttslot = ttslot;
     }
 
+    /* share the loader so that the autohinter can see it */
+    FT_GlyphLoader_Done( slot->ttslot->internal->loader );
+    FT_FREE( slot->ttslot->internal );
+    slot->ttslot->internal = t42slot->internal;
+
     return error;
   }
 
@@ -606,6 +613,8 @@
     T42_GlyphSlot  slot = (T42_GlyphSlot)t42slot;
 
 
+    /* do not destroy the inherited internal structure just yet */
+    slot->ttslot->internal = NULL;
     FT_Done_GlyphSlot( slot->ttslot );
   }