From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 25 Nov 2021 13:52:37 +0000 (+0000)
Subject: patch 8.2.3674: when ml_get_buf() fails it messes up IObuff
X-Git-Tag: v8.2.3674
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=96e7a5928e1e7a350cd6c6d0b9376305190046e7;p=vim

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 #9214)
---

diff --git a/src/memline.c b/src/memline.c
index f54a970cc..119861e5d 100644
--- 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
index 3f8310373..6d96d4324 100644
--- a/src/version.c
+++ b/src/version.c
@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3674,
 /**/
     3673,
 /**/