From f1ff6c673da9202f85df3c5d2f4f1adf5462f1fc Mon Sep 17 00:00:00 2001
From: cristy <urban-warrior@git.imagemagick.org>
Date: Thu, 25 Apr 2013 12:35:08 +0000
Subject: [PATCH]

---
 MagickCore/blob.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/MagickCore/blob.c b/MagickCore/blob.c
index 70577427f..b18b22638 100644
--- a/MagickCore/blob.c
+++ b/MagickCore/blob.c
@@ -2783,7 +2783,20 @@ MagickExport ssize_t ReadBlob(Image *image,const size_t length,
       break;
     case StandardStream:
     {
-      count=read(fileno(image->blob->file_info.file),q,length);
+      register ssize_t
+        i;
+
+      for (i=0; i < (ssize_t) length; i+=count)
+      {
+        count=read(fileno(image->blob->file_info.file),q+i,(size_t)
+          MagickMin(length-i,(MagickSizeType) SSIZE_MAX));
+        if (count <= 0)
+          {
+            count=0;
+            if (errno != EINTR)
+              break;
+          }
+      }
       break;
     }
     case FileStream:
-- 
2.50.1