From 8dac2acd6a79d571ff5409d9c90b4c9e73237eb4 Mon Sep 17 00:00:00 2001 From: Bram Moolenaar Date: Mon, 27 Dec 2021 20:57:06 +0000 Subject: patch 8.2.3916: no error for passing an invalid line number to append() Problem: No error for passing an invalid line number to append(). Solution: In Vim9 script check for a non-negative number. (closes #9417) --- src/evalbuffer.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/evalbuffer.c') diff --git a/src/evalbuffer.c b/src/evalbuffer.c index ba16436ded..50d26c4b17 100644 --- a/src/evalbuffer.c +++ b/src/evalbuffer.c @@ -151,6 +151,8 @@ set_buffer_lines( if (buf == NULL || (!is_curbuf && buf->b_ml.ml_mfp == NULL) || lnum < 1) { rettv->vval.v_number = 1; // FAIL + if (in_vim9script() && lnum < 1) + semsg(_(e_invalid_line_number_nr), lnum_arg); return; } -- cgit v1.2.3