From: Cristy <urban-warrior@imagemagick.org>
Date: Fri, 9 Mar 2018 02:19:07 +0000 (-0500)
Subject: Special case for a depth of 0
X-Git-Tag: 7.0.7-26~67
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=73f767950e65cd9a237ac98e7399c479342aee6e;p=imagemagick

Special case for a depth of 0
---

diff --git a/MagickCore/quantum-private.h b/MagickCore/quantum-private.h
index ce5f1a88a..405c3810e 100644
--- a/MagickCore/quantum-private.h
+++ b/MagickCore/quantum-private.h
@@ -95,6 +95,8 @@ static inline MagickSizeType GetQuantumRange(const size_t depth)
   MagickSizeType
     one;
 
+  if (depth == 0)
+    return(0);
   one=1;
   return((MagickSizeType) ((one << (MagickMin(depth,64)-1))+
     ((one << (MagickMin(depth,64)-1))-1)));