From: Øyvind Kolås <pippin@gimp.org>
Date: Sat, 22 Apr 2023 13:29:33 +0000 (+0200)
Subject: LUT: disable when running on big-endian systems
X-Git-Tag: archive/raspbian/1%0.1.106-3+rpi1^2~15^2^2~4
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=39dfcba9e342f10dfa8c7b8cb61d7f1faf9fc29a;p=babl.git

LUT: disable when running on big-endian systems

We are crashing due to endian assumptions - we now only try to do the LUT
optimizations on little endian - no functionality is lost on big-endian
though conversion might be a tad slower. Hopefully fixing issue #91
---

diff --git a/babl/babl-fish-path.c b/babl/babl-fish-path.c
index c01cc2d..ef195f8 100644
--- a/babl/babl-fish-path.c
+++ b/babl/babl-fish-path.c
@@ -648,6 +648,14 @@ _babl_legal_error (void)
   else
     enable_lut = 1;
 
+  { 
+    const uint32_t u32 = 1;
+    if ( *((char*)&u32) == 0)
+    {  /* disable use of LUTs if we are running on big endian */
+       enable_lut = 0;
+    }
+  }
+
   return error;
 }