# HG changeset patch
# User Matt Johnston <matt@ucc.asn.au>
# Date 1494690189 -28800
# Node ID 6fafb500de884acd544410ed74ad6e78089ca970
# Parent  6aaec171e88ed281481c90104a2a1cb3396b147a
reduce buf->pos if shrinking

diff -r 6aaec171e88e -r 6fafb500de88 buffer.c
--- a/buffer.c	Thu Sep 15 21:43:57 2016 +0800
+++ b/buffer.c	Sat May 13 23:43:09 2017 +0800
@@ -109,6 +109,7 @@
 		dropbear_exit("Bad buf_setlen");
 	}
 	buf->len = len;
+	buf->pos = MIN(buf->pos, buf->len);
 }
 
 /* Increment the length of the buffer */