From: Cristy <urban-warrior@imagemagick.org>
Date: Mon, 25 Dec 2017 01:04:57 +0000 (-0500)
Subject: ...
X-Git-Tag: 7.0.7-16~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f630224cc864a2b4020abd0a25d6fa704766c36c;p=imagemagick

...
---

diff --git a/MagickCore/blob.c b/MagickCore/blob.c
index 793c9d281..90dbfd00e 100644
--- a/MagickCore/blob.c
+++ b/MagickCore/blob.c
@@ -3292,6 +3292,8 @@ MagickExport MagickBooleanType OpenBlob(const ImageInfo *image_info,
           {
             if (mode == WriteBinaryBlobMode)
               type="wb";
+            if (mode == AppendBinaryBlobMode)
+              type="ab";
             blob_info->file_info.gzfile=gzopen(filename,type);
             if (blob_info->file_info.gzfile != (gzFile) NULL)
               blob_info->type=ZipStream;