From: Andrei Borzenkov <arvidjaar@gmail.com>
Date: Fri, 19 Jun 2015 14:35:17 +0000 (+0300)
Subject: syslinux_parse: make print_escaped actually stop before `to'
X-Git-Tag: 2.02-beta3~285
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8067fe28edcedacf2507132baaab65dc3c4bb3d5;p=thirdparty%2Fgrub.git

syslinux_parse: make print_escaped actually stop before `to'

The only current user is mboot.c32 which unfortunately is not covered
by regression tests.
---

diff --git a/grub-core/lib/syslinux_parse.c b/grub-core/lib/syslinux_parse.c
index 153260b54..ba71a4831 100644
--- a/grub-core/lib/syslinux_parse.c
+++ b/grub-core/lib/syslinux_parse.c
@@ -772,7 +772,7 @@ print_escaped (struct output_buffer *outbuf,
   if (err)
     return err;
   outbuf->buf[outbuf->ptr++] = '\'';
-  for (ptr = from; *ptr; ptr++)
+  for (ptr = from; *ptr && ptr < to; ptr++)
     {
       if (*ptr == '\'')
 	{