# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1560481487 -10800
# Node ID 69e868af764cf58bf0b23d9cd55706146d713198
# Parent  f8bba7a82ec29e214f6bb72b6de15cbb5a71ca32
Check for minimum number of colors in a external palette file.

diff -r f8bba7a82ec2 -r 69e868af764c tools/gfxconv.c
--- a/tools/gfxconv.c	Fri Jun 14 06:04:15 2019 +0300
+++ b/tools/gfxconv.c	Fri Jun 14 06:04:47 2019 +0300
@@ -2156,6 +2156,13 @@
     {
         if ((res = dmHandleExternalPalette(optPaletteFile, &optC64Spec.pal)) != DMERR_OK)
             goto exit;
+
+        if (optSpec.pal->ncolors < D64_NCOLORS)
+        {
+            dmErrorMsg("Palette does not have enough colors (%d < %d)\n",
+                optSpec.pal->ncolors, D64_NCOLORS);
+            goto exit;
+        }
     }
     else
     {