vim/backport-semicolon-search-dose-not-work-in-first-line.patch
rwx403335 8abb4a0603 fix CVE-2022-1927
(cherry picked from commit 9f42167633155cb61024e772ab72af63fa9e208e)
2022-06-23 10:07:39 +08:00

54 lines
1.7 KiB
Diff

From 0e71704b77a9891ccae9f5a9c7429e933078f232 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Mon, 27 Apr 2020 19:29:01 +0200
Subject: [PATCH] patch 8.2.0648: semicolon search does not work in first line
Problem: Semicolon search does not work in first line.
Solution: Allow the cursor to be in line zero. (Christian Brabandt,
closes #5996)
---
src/ex_docmd.c | 6 ++++--
src/testdir/test_cmdline.vim | 11 +++++++++++
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 43cd013..ca69c29 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -3069,8 +3069,10 @@ parse_cmd_address(exarg_T *eap, char **errormsg, int silent)
if (!eap->skip)
{
curwin->w_cursor.lnum = eap->line2;
- // don't leave the cursor on an illegal line or column
- check_cursor();
+ // Don't leave the cursor on an illegal line or column, but do
+ // accept zero as address, so 0;/PATTERN/ works correctly.
+ if (eap->line2 > 0)
+ check_cursor();
}
}
else if (*eap->cmd != ',')
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 7d3c0c8..a547326 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -1471,4 +1471,15 @@ func Test_cmdwin_insert_mode_close()
call assert_equal('yes', caught)
endfunc
+" test that ";" works to find a match at the start of the first line
+func Test_zero_line_search()
+ new
+ call setline(1, ["1, pattern", "2, ", "3, pattern"])
+ call cursor(1,1)
+ 0;/pattern/d
+ call assert_equal(["2, ", "3, pattern"], getline(1,'$'))
+ q!
+endfunc
+
+
" vim: shiftwidth=2 sts=2 expandtab
--
1.8.3.1