From 758bc0833c64545dec0e52a322f39c1aad3ee96b Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Wed, 18 Apr 2018 18:10:16 +0200
Subject: [PATCH] fix Load_IFF() when bpp=0 !

---
 src/fileformats.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fileformats.c b/src/fileformats.c
index a9d593d0..34e2b6f0 100644
--- a/src/fileformats.c
+++ b/src/fileformats.c
@@ -1043,7 +1043,7 @@ void Load_IFF(T_IO_Context * context)
               ratio = PIXEL_WIDE; // 1.5 <= ratio
           }
           bpp = header.BitPlanes;
-          if (bpp <= 8)
+          if (bpp <= 8 && bpp > 0)
           {
             unsigned int i;
             // Set a default grayscale palette : if the