From: Thadeu Lima de Souza Cascardo <cascardo@cascardo.info>
Date: Thu, 17 Oct 2013 11:38:23 +0000 (-0300)
Subject: If received message has size 0, ignore it.
X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Ff2fchat.git;a=commitdiff_plain;h=a35406f8da02aa40551c5bf7364d4e6890db018c

If received message has size 0, ignore it.
---

diff --git a/message.c b/message.c
index 8c6dafd..4d3150a 100644
--- a/message.c
+++ b/message.c
@@ -48,6 +48,9 @@ gboolean message_incoming(GIOChannel *channel, GIOCondition cond, gpointer data)
 		gusock = g_socket_new_from_fd(g_io_channel_unix_get_fd(channel), NULL);
 	}
 	len = g_socket_get_available_bytes(gusock);
+	if (len <= 0) {
+		goto out;
+	}
 	buffer = g_malloc(len);
 	len = g_socket_receive_from(gusock, &address, buffer, len, NULL, NULL);
 	iaddress = g_inet_socket_address_get_address(G_INET_SOCKET_ADDRESS(address));
@@ -66,6 +69,7 @@ gboolean message_incoming(GIOChannel *channel, GIOCondition cond, gpointer data)
 	}
 	g_object_unref(address);
 	g_free(buffer);
+out:
 	return TRUE;
 }