diff src/register.c @ 28988:e6f486df5cc9 v8.2.5016

patch 8.2.5016: access before start of text with a put command Commit: https://github.com/vim/vim/commit/2a585c85013be22f59f184d49612074fd9b115d7 Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 25 15:15:38 2022 +0100 patch 8.2.5016: access before start of text with a put command Problem: Access before start of text with a put command. Solution: Check the length is more than zero.
author Bram Moolenaar <Bram@vim.org>
date Wed, 25 May 2022 16:30:02 +0200
parents 6cdf55afaae9
children 45c182c4f7e9
line wrap: on
line diff
--- a/src/register.c
+++ b/src/register.c
@@ -2219,9 +2219,12 @@ error:
 	    len = STRLEN(y_array[y_size - 1]);
 	    col = (colnr_T)len - lendiff;
 	    if (col > 1)
-		curbuf->b_op_end.col = col - 1
-				- mb_head_off(y_array[y_size - 1],
+	    {
+		curbuf->b_op_end.col = col - 1;
+		if (len > 0)
+		    curbuf->b_op_end.col -= mb_head_off(y_array[y_size - 1],
 						y_array[y_size - 1] + len - 1);
+	    }
 	    else
 		curbuf->b_op_end.col = 0;