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Correct and error in recv() and recvfrom() return value

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4402 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-02-18 18:13:30 +00:00
parent f60d578a46
commit f04310d559
24 changed files with 189 additions and 128 deletions
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apps/examples/nettest/nettest_client.c
+6 -1
View File
@@ -1,7 +1,7 @@
/****************************************************************************
* examples/nettest/nettest-client.c
*
* Copyright (C) 2007, 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2007, 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -169,6 +169,11 @@ void send_client(void)
message("client: recv failed: %d\n", errno);
goto errout_with_socket;
}
else if (nbytesrecvd == 0)
{
message("client: The server closed the connection\n");
goto errout_with_socket;
}
totalbytesrecvd += nbytesrecvd;
message("client: Received %d of %d bytes\n", totalbytesrecvd, SENDSIZE);
}
apps/examples/nettest/nettest_server.c
+13 -3
View File
@@ -1,7 +1,7 @@
/****************************************************************************
* examples/nettest/nettest-server.c
*
* Copyright (C) 2007, 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2007, 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -149,11 +149,16 @@ void recv_server(void)
for (;;)
{
nbytesread = recv(acceptsd, buffer, 2*SENDSIZE, 0);
if (nbytesread <= 0)
if (nbytesread < 0)
{
message("server: recv failed: %d\n", errno);
goto errout_with_acceptsd;
}
else if (nbytesread == 0)
{
message("server: The client broke the connection\n");
goto errout_with_acceptsd;
}
message("Received %d bytes\n", nbytesread);
}
#else
@@ -164,11 +169,16 @@ void recv_server(void)
{
message("server: Reading...\n");
nbytesread = recv(acceptsd, &buffer[totalbytesread], 2*SENDSIZE - totalbytesread, 0);
if (nbytesread <= 0)
if (nbytesread < 0)
{
message("server: recv failed: %d\n", errno);
goto errout_with_acceptsd;
}
else if (nbytesread == 0)
{
message("server: The client broke the connection\n");
goto errout_with_acceptsd;
}
totalbytesread += nbytesread;
message("server: Received %d of %d bytes\n", totalbytesread, SENDSIZE);