# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1560479720 -10800
# Node ID fa5e74384d87189d1dc7ded418c5d58f82bc1d6f
# Parent  7a0af15fbe9781093e7e287e6fdb975c2da0239e
Check for non-existing palette when reading palette from image file.

diff -r 7a0af15fbe97 -r fa5e74384d87 tools/lib64util.c
--- a/tools/lib64util.c	Fri Jun 14 05:32:58 2019 +0300
+++ b/tools/lib64util.c	Fri Jun 14 05:35:20 2019 +0300
@@ -170,7 +170,13 @@
             goto done;
         }
 
-        res = dmPaletteCopy(ppal, inImage->pal);
+        if (inImage->pal != NULL)
+            res = dmPaletteCopy(ppal, inImage->pal);
+        else
+        {
+            dmErrorMsg("Image file does not have a palette.\n");
+            res = DMERR_NULLPTR;
+        }
     }
     else
     if (dmPaletteProbeGeneric(dataBuf, dataSize, &pfmt, &index) > 0 &&