[freetype2] master b663307: * src/truetype/ttgload.c (TT_Load_Simple_Glyph): Minor.

[Werner LEMBERG]

branch: master
commit b66330732060af27d0f5414943e1ad378af3d5e3
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>

    * src/truetype/ttgload.c (TT_Load_Simple_Glyph): Minor.
    
    This fixes an AddressSanitizer issue:
    
      ttgload.c:430:7: runtime error: null pointer passed as argument 1,
                       which is declared to never be null
---
 ChangeLog              |    9 +++++++++
 src/truetype/ttgload.c |    3 ++-
 2 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 5f25e3e..f3746c3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2016-03-22  Werner Lemberg  <address@hidden>
+
+       * src/truetype/ttgload.c (TT_Load_Simple_Glyph): Minor.
+
+       This fixes an AddressSanitizer issue:
+
+         ttgload.c:430:7: runtime error: null pointer passed as argument 1,
+                          which is declared to never be null
+
 2016-03-21  Werner Lemberg  <address@hidden>
 
        * src/autofit/afhints.c (af_glyph_hints_reload): Thinko.
diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c
index 4ab6603..d1cb357 100644
--- a/src/truetype/ttgload.c
+++ b/src/truetype/ttgload.c
@@ -427,7 +427,8 @@
       load->glyph->control_len  = n_ins;
       load->glyph->control_data = load->exec->glyphIns;
 
-      FT_MEM_COPY( load->exec->glyphIns, p, (FT_Long)n_ins );
+      if ( n_ins )
+        FT_MEM_COPY( load->exec->glyphIns, p, (FT_Long)n_ins );
     }
 
 #endif /* TT_USE_BYTECODE_INTERPRETER */