From 18a3cce9fa9030e0e1fe0678ddcd0ae84d9423ca Mon Sep 17 00:00:00 2001
From: Joe Hershberger <joe.hershberger@ni.com>
Date: Fri, 8 Feb 2013 10:12:34 +0000
Subject: [PATCH] env: Avoid clobbering an edited variable on ctrl-c
If readline says there was an error, don't write to the variable!
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
---
common/cmd_nvedit.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index d646d90880..3a05e60103 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -552,7 +552,8 @@ static int do_env_edit(cmd_tbl_t *cmdtp, int flag, int argc,
else
buffer[0] = '\0';
- readline_into_buffer("edit: ", buffer, 0);
+ if (readline_into_buffer("edit: ", buffer, 0) < 0)
+ return 1;
return setenv(argv[1], buffer);
}
--
2.39.5