# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1520888406 -3600
# Node ID 9b09f6e470e05362469f8b981bd7a8c7c2608ab6
# Parent  be0536e2f27fae7b1810fba8a4a9f2cc4993ed6e
patch 8.0.1600: crash when setting t_Co to zero when 'termguicolors' is set

commit https://github.com/vim/vim/commit/f708ac592f47100a36f2bc12ec98ea6357fdfa27
Author: Bram Moolenaar <Bram@vim.org>
Date:   Mon Mar 12 21:48:32 2018 +0100

    patch 8.0.1600: crash when setting t_Co to zero when 'termguicolors' is set

    Problem:    Crash when setting t_Co to zero when 'termguicolors' is set.
    Solution:   Use IS_CTERM instead of checking the number of colors.
                (closes #2710)

diff --git a/src/screen.c b/src/screen.c
--- a/src/screen.c
+++ b/src/screen.c
@@ -8127,7 +8127,7 @@ screen_start_highlight(int attr)
 			term_bg_color(aep->ae_u.cterm.bg_color - 1);
 		}
 
-		if (t_colors <= 1)
+		if (!IS_CTERM)
 		{
 		    if (aep->ae_u.term.start != NULL)
 			out_str(aep->ae_u.term.start);
diff --git a/src/testdir/test_highlight.vim b/src/testdir/test_highlight.vim
--- a/src/testdir/test_highlight.vim
+++ b/src/testdir/test_highlight.vim
@@ -514,3 +514,17 @@ func Test_highlight_eol_on_diff()
   bwipe!
   diffoff
 endfunc
+
+func Test_termguicolors()
+  if !exists('+termguicolors')
+    return
+  endif
+
+  " Basic test that setting 'termguicolors' works with one color.
+  set termguicolors
+  redraw
+  set t_Co=1
+  redraw
+  set t_Co=0
+  redraw
+endfunc
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -767,6 +767,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1600,
+/**/
     1599,
 /**/
     1598,