From: Cristy <urban-warrior@imagemagick.org>
Date: Mon, 20 Nov 2017 12:46:28 +0000 (-0500)
Subject: https://github.com/ImageMagick/ImageMagick/issues/870
X-Git-Tag: 7.0.7-12~52
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=06c8dd4de59e48d282d4f224faa64ab9012a711a;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/870
---

diff --git a/coders/wpg.c b/coders/wpg.c
index d4b589647..ead3f460d 100644
--- a/coders/wpg.c
+++ b/coders/wpg.c
@@ -738,6 +738,9 @@ static Image *ExtractPostscript(Image *image,const ImageInfo *image_info,
   FILE
     *ps_file;
 
+  int
+    c;
+
   ImageInfo
     *clone_info;
     
@@ -764,10 +767,13 @@ static Image *ExtractPostscript(Image *image,const ImageInfo *image_info,
   (void) ReadBlob(image, 2*MagickPathExtent, magick);
   
   (void) SeekBlob(image,PS_Offset,SEEK_SET);
-  while(PS_Size-- > 0)
-    {
-      (void) fputc(ReadBlobByte(image),ps_file);
-    }
+  while (PS_Size-- > 0)
+  {
+    c=ReadBlobByte(image);
+    if (c == EOF)
+      break;
+    (void) fputc(c,ps_file);
+  }
   (void) fclose(ps_file);
   
     /* Detect file format - Check magic.mgk configuration file. */