From 1817b8b4fec10c66e4d97de73302ebe496bb82ce Mon Sep 17 00:00:00 2001
From: nakarlsson <nakarlsson@users.noreply.github.com>
Date: Wed, 6 Dec 2023 19:54:05 +0100
Subject: [PATCH] Allow FoE write of 0byte file (#769)

If FoE write of a file is done, no check
of incoming size is performed. If the
file is 0byte, a FoE Write Request is
sent but no ACK since dofinalzero
is initialized to FALSE.

fixes #766

Co-authored-by: Andreas Karlsson <andreas.karlsson@rt-labs.com>
---
 soem/ethercatfoe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/soem/ethercatfoe.c b/soem/ethercatfoe.c
index 573cfc0..f0473ba 100644
--- a/soem/ethercatfoe.c
+++ b/soem/ethercatfoe.c
@@ -214,7 +214,7 @@ int ecx_FOEwrite(ecx_contextt *context, uint16 slave, char *filename, uint32 pas
    ec_clearmbx(&MbxOut);
    aFOEp = (ec_FOEt *)&MbxIn;
    FOEp = (ec_FOEt *)&MbxOut;
-   dofinalzero = FALSE;
+   dofinalzero = TRUE;
    fnsize = (uint16)strlen(filename);
    maxdata = context->slavelist[slave].mbx_l - 12;
    if (fnsize > maxdata)