From: Cristy <urban-warrior@imagemagick.org>
Date: Thu, 31 Aug 2017 20:30:49 +0000 (-0400)
Subject: https://github.com/ImageMagick/ImageMagick/issues/716
X-Git-Tag: 7.0.7-0~25
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6ad5fc3c9b652eec27fc0b1a0817159f8547d5d9;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/716
---

diff --git a/MagickWand/drawing-wand.c b/MagickWand/drawing-wand.c
index f85cfcabc..a324ac2b8 100644
--- a/MagickWand/drawing-wand.c
+++ b/MagickWand/drawing-wand.c
@@ -1959,11 +1959,14 @@ WandExport double *DrawGetStrokeDashArray(const DrawingWand *wand,
     {
       dasharray=(double *) AcquireQuantumMemory((size_t) n+1UL,
         sizeof(*dasharray));
-      p=CurrentContext->dash_pattern;
-      q=dasharray;
-      for (i=0; i < (ssize_t) n; i++)
-        *q++=(*p++);
-      *q=0.0;
+      if (dasharray != (double *) NULL)
+        {
+          p=CurrentContext->dash_pattern;
+          q=dasharray;
+          for (i=0; i < (ssize_t) n; i++)
+            *q++=(*p++);
+          *q=0.0;
+        }
     }
   return(dasharray);
 }