4 files changed, 11 insertions, 6 deletions
diff --git a/freetype/src/lzw/ftlzw.c b/freetype/src/lzw/ftlzw.c
index ddb81e6e9..e112418ab 100644
--- a/freetype/src/lzw/ftlzw.c
+++ b/freetype/src/lzw/ftlzw.c
@@ -8,7 +8,7 @@
  * be used to parse compressed PCF fonts, as found with many X11 server
  * distributions.
  *
- * Copyright (C) 2004-2020 by
+ * Copyright (C) 2004-2021 by
  * Albert Chin-A-Young.
  *
  * based on code in `src/gzip/ftgzip.c'
@@ -383,7 +383,7 @@
 
     stream->size  = 0x7FFFFFFFL;  /* don't know the real size! */
     stream->pos   = 0;
-    stream->base  = 0;
+    stream->base  = NULL;
     stream->read  = ft_lzw_stream_io;
     stream->close = ft_lzw_stream_close;
 
diff --git a/freetype/src/lzw/ftzopen.c b/freetype/src/lzw/ftzopen.c
index 884d2ec74..8b5b357f3 100644
--- a/freetype/src/lzw/ftzopen.c
+++ b/freetype/src/lzw/ftzopen.c
@@ -8,7 +8,7 @@
  * be used to parse compressed PCF fonts, as found with many X11 server
  * distributions.
  *
- * Copyright (C) 2005-2020 by
+ * Copyright (C) 2005-2021 by
  * David Turner.
  *
  * This file is part of the FreeType project, and may only be used,
@@ -127,6 +127,7 @@
 
       new_size = new_size + ( new_size >> 1 ) + 4;
 
+      /* if relocating to heap */
       if ( state->stack == state->stack_0 )
       {
         state->stack = NULL;
@@ -142,9 +143,13 @@
           return -1;
       }
 
-      if ( FT_RENEW_ARRAY( state->stack, old_size, new_size ) )
+      if ( FT_QRENEW_ARRAY( state->stack, old_size, new_size ) )
         return -1;
 
+      /* if relocating to heap */
+      if ( old_size == 0 )
+        FT_MEM_COPY( state->stack, state->stack_0, FT_LZW_DEFAULT_STACK_SIZE );
+
       state->stack_size = new_size;
     }
     return 0;
diff --git a/freetype/src/lzw/ftzopen.h b/freetype/src/lzw/ftzopen.h
index d8768f7b4..9ada742c7 100644
--- a/freetype/src/lzw/ftzopen.h
+++ b/freetype/src/lzw/ftzopen.h
@@ -8,7 +8,7 @@
  * be used to parse compressed PCF fonts, as found with many X11 server
  * distributions.
  *
- * Copyright (C) 2005-2020 by
+ * Copyright (C) 2005-2021 by
  * David Turner.
  *
  * This file is part of the FreeType project, and may only be used,
diff --git a/freetype/src/lzw/rules.mk b/freetype/src/lzw/rules.mk
index 3468ee024..747cbdcca 100644
--- a/freetype/src/lzw/rules.mk
+++ b/freetype/src/lzw/rules.mk
@@ -3,7 +3,7 @@
 #
 
 
-# Copyright (C) 2004-2020 by
+# Copyright (C) 2004-2021 by
 # Albert Chin-A-Young.
 #
 # based on `src/lzw/rules.mk'