# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1637848806 -3600
# Node ID 2815b25993fb527e1b5fc5ed62ce8d7fb3c5d48b
# Parent  4bfa37787ac9c81c46a9ae39471b815476650679
patch 8.2.3674: when ml_get_buf() fails it messes up IObuff

Commit: https://github.com/vim/vim/commit/96e7a5928e1e7a350cd6c6d0b9376305190046e7
Author: Bram Moolenaar <Bram@vim.org>
Date:   Thu Nov 25 13:52:37 2021 +0000

    patch 8.2.3674: when ml_get_buf() fails it messes up IObuff

    Problem:    When ml_get_buf() fails it messes up IObuff.
    Solution:   Return a local pointer. (closes https://github.com/vim/vim/issues/9214)

diff --git a/src/memline.c b/src/memline.c
--- a/src/memline.c
+++ b/src/memline.c
@@ -2606,6 +2606,7 @@ ml_get_buf(
     bhdr_T	*hp;
     DATA_BL	*dp;
     static int	recursive = 0;
+    static char_u questions[4];
 
     if (lnum > buf->b_ml.ml_line_count)	// invalid line number
     {
@@ -2618,9 +2619,9 @@ ml_get_buf(
 	    --recursive;
 	}
 errorret:
-	STRCPY(IObuff, "???");
+	STRCPY(questions, "???");
 	buf->b_ml.ml_line_len = 4;
-	return IObuff;
+	return questions;
     }
     if (lnum <= 0)			// pretend line 0 is line 1
 	lnum = 1;
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3674,
+/**/
     3673,
 /**/
     3672,