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Correct and error in recv() and recvfrom() return value
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4402 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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@@ -234,7 +234,7 @@ int tftpget(const char *remote, const char *local, in_addr_t addr, bool binary)
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/* Check if anything valid was received */
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if (nbytesrecvd >= 0)
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if (nbytesrecvd > 0)
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{
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/* Verify the sender address and port number */
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@@ -1,8 +1,8 @@
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/****************************************************************************
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* netuils/tftp/tftpc_packets.c
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*
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* Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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* Copyright (C) 2008-2009, 2011-2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@@ -217,9 +217,17 @@ static int tftp_rcvack(int sd, uint8_t *packet, struct sockaddr_in *server,
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{
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/* Failed to receive a good packet */
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if (nbytes >= 0)
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if (nbytes == 0)
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{
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ndbg("tftp_recvfrom short packet: %d bytes\n", nbytes);
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ndbg("Connection lost: %d bytes\n", nbytes);
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}
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else if (nbytes > 0)
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{
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ndbg("Short packet: %d bytes\n", nbytes);
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}
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else
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{
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ndbg("Recveid failure\n");
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}
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/* Break out to bump up the retry count */
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