From: Bram Moolenaar <Bram@vim.org>
Date: Fri, 26 Mar 2021 21:15:26 +0000 (+0100)
Subject: patch 8.2.2661: leaking memory when looping over a string
X-Git-Tag: v8.2.2661
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bb5d87c8504588be9c9d2fecc5b6455a2b2f6201;p=thirdparty%2Fvim.git

patch 8.2.2661: leaking memory when looping over a string

Problem:    Leaking memory when looping over a string.
Solution:   Free the memory.
---

diff --git a/src/eval.c b/src/eval.c
index b4593babaa..6522f0f24e 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1815,8 +1815,10 @@ next_for_item(void *fi_void, char_u *arg)
 	tv.v_lock = VAR_FIXED;
 	tv.vval.v_string = vim_strnsave(fi->fi_string + fi->fi_byte_idx, len);
 	fi->fi_byte_idx += len;
-	return ex_let_vars(arg, &tv, TRUE, fi->fi_semicolon,
+	result = ex_let_vars(arg, &tv, TRUE, fi->fi_semicolon,
 					    fi->fi_varcount, flag, NULL) == OK;
+	vim_free(tv.vval.v_string);
+	return result;
     }
 
     item = fi->fi_lw.lw_item;
diff --git a/src/version.c b/src/version.c
index f172437afe..5596bbb27c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2661,
 /**/
     2660,
 /**/