From: Guus Sliepen <guus@meshlink.io>
Date: Wed, 27 May 2020 19:02:22 +0000 (+0200)
Subject: Correctly report the maximum allowed send size in the poll callback for framed channels.
X-Git-Url: https://git.meshlink.io/?a=commitdiff_plain;h=aad97d717a86b999c5ebf105131471550023dbc8;p=meshlink

Correctly report the maximum allowed send size in the poll callback for framed channels.
---

diff --git a/src/utcp.c b/src/utcp.c
index cbc094a1..8ef59a06 100644
--- a/src/utcp.c
+++ b/src/utcp.c
@@ -2433,7 +2433,7 @@ struct timespec utcp_timeout(struct utcp *utcp) {
 		if(c->poll) {
 			if((c->state == ESTABLISHED || c->state == CLOSE_WAIT) && c->do_poll) {
 				c->do_poll = false;
-				uint32_t len = buffer_free(&c->sndbuf);
+				uint32_t len = is_framed(c) ? min(buffer_free(&c->sndbuf), MAX_UNRELIABLE_SIZE) : buffer_free(&c->sndbuf);
 
 				if(len) {
 					c->poll(c, len);