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path: root/external/freetype/ubsan.patch
blob: 80446ac5c89c82d131b2360f3515caf3a08ce72c (plain)
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--- src/psaux/psobjs.c.orig	2023-02-04 23:00:05.000000000 +0900
+++ src/psaux/psobjs.c	2023-02-22 16:28:26.632283841 +0900
@@ -200,7 +200,8 @@
     /* add the object to the base block and adjust offset */
     table->elements[idx] = FT_OFFSET( table->block, table->cursor );
     table->lengths [idx] = length;
-    FT_MEM_COPY( table->block + table->cursor, object, length );
+    if (length != 0)
+      FT_MEM_COPY( table->block + table->cursor, object, length );
 
     table->cursor += length;
     return FT_Err_Ok;