From 11903da8620617d2ff74b9e472ba1b54edb88b89 Mon Sep 17 00:00:00 2001
From: angt <angt@users.noreply.github.com>
Date: Wed, 9 Mar 2016 10:58:14 +0000
Subject: [PATCH] Add mud_can_pull()

---
 mud.c | 5 +++++
 mud.h | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/mud.c b/mud.c
index 9476355..9f59b9a 100644
--- a/mud.c
+++ b/mud.c
@@ -644,6 +644,11 @@ int mud_decrypt (struct mud *mud, uint64_t *nonce,
     return size;
 }
 
+int mud_can_pull (struct mud *mud)
+{
+    return (mud->rx.start != MUD_PACKET_NEXT(mud->rx.end));
+}
+
 int mud_pull (struct mud *mud)
 {
     unsigned char ctrl[1024];
diff --git a/mud.h b/mud.h
index 717ebec..61cc71f 100644
--- a/mud.h
+++ b/mud.h
@@ -13,6 +13,8 @@ int mud_get_fd  (struct mud *);
 int mud_bind (struct mud *, const char *);
 int mud_peer (struct mud *, const char *, const char *);
 
+int mud_can_pull (struct mud *);
+
 int mud_pull (struct mud *);
 int mud_push (struct mud *);