From 916f1d318a4742bacdfb62e2c8861eb3c3630530 Mon Sep 17 00:00:00 2001
From: yhji <yhji.lee@samsung.com>
Date: Wed, 12 Dec 2018 10:31:24 +0900
Subject: [PATCH] Fix memory issue in config2help

- issue#103
- https://github.com/landley/toybox/issues/103
- heap-use-after-free
- Change to find double dash (CP_PRESERVE)
---
 scripts/config2help.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/config2help.c b/scripts/config2help.c
index be53547db..986f1bae7 100644
--- a/scripts/config2help.c
+++ b/scripts/config2help.c
@@ -192,7 +192,7 @@ char **grab_dashlines(struct double_list **help, struct double_list **from,
   // Find start of dash block. Must be at start or after blank line.
   for (;;) {
     s = skip_spaces((*from)->data);
-    if (*s == '-' && s[1] != '-' && !count) break;
+    if (*s == '-' && s[1] != '-' && s[2] != '-' && !count) break;
 
     if (!*s) count = 0;
     else count++;