More trailing whilespace removal

52 files changed, 256 insertions, 256 deletions

diff --git a/apps/netutils/codecs/Makefile b/apps/netutils/codecs/Makefile
index 5d2fe9ce6..f0b55c5f8 100644
--- a/apps/netutils/codecs/Makefile
+++ b/apps/netutils/codecs/Makefile
@@ -60,7 +60,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/dhcpc/Makefile b/apps/netutils/dhcpc/Makefile
index 3d4185886..f8a680e32 100644
--- a/apps/netutils/dhcpc/Makefile
+++ b/apps/netutils/dhcpc/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # DHCP Client Library
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_UDP),y)
 CSRCS		+= dhcpc.c
@@ -66,7 +66,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/dhcpd/Makefile b/apps/netutils/dhcpd/Makefile
index 302b2ad43..5eedf758f 100644
--- a/apps/netutils/dhcpd/Makefile
+++ b/apps/netutils/dhcpd/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # DHCP Daemn Library
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_UDP),y)
 CSRCS		+= dhcpd.c
@@ -66,7 +66,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/dhcpd/dhcpd.c b/apps/netutils/dhcpd/dhcpd.c
index 0f89daa81..c600be2fa 100644
--- a/apps/netutils/dhcpd/dhcpd.c
+++ b/apps/netutils/dhcpd/dhcpd.c
@@ -830,7 +830,7 @@ static inline int dhcpd_openresponder(void)
 static void dhcpd_initpacket(uint8_t mtype)
 {
   uint32_t nulladdr = 0;
-  
+
   /* Set up the generic parts of the DHCP server message */
 
   memset(&g_state.ds_outpacket, 0, sizeof(struct dhcpmsg_s));
@@ -889,7 +889,7 @@ static int dhcpd_sendpacket(int bbroadcast)
    * (1) If he caller know that it needs to multicast the response, it will set bbroadcast.
    * (2) Otherwise, if the client already has and address (ciaddr), then use that for uni-cast
    * (3) Broadcast if the client says it can't handle uni-cast (BOOTP_BROADCAST set)
-   * (4) Otherwise, the client claims it can handle the uni-casst response and we 
+   * (4) Otherwise, the client claims it can handle the uni-casst response and we
    *     will uni-cast to the offered address (yiaddr).
    *
    * NOTE: We really should also check the giaddr field.  If no zero, the server should
@@ -936,7 +936,7 @@ static int dhcpd_sendpacket(int bbroadcast)
       len = (g_state.ds_optend - (uint8_t*)&g_state.ds_outpacket) + 1;
       nvdbg("sendto %08lx:%04x len=%d\n",
             (long)ntohl(addr.sin_addr.s_addr), ntohs(addr.sin_port), len);
- 
+
       ret = sendto(sockfd, &g_state.ds_outpacket, len, 0,
                    (struct sockaddr *)&addr, sizeof(struct sockaddr_in));
       close(sockfd);
@@ -1138,7 +1138,7 @@ static inline int dhcpd_request(void)
       if (g_state.ds_optserverip)
         {
           /* ACK if the serverip is correct and the requested IP address is the one
-           * already offered to the client. 
+           * already offered to the client.
            */
 
           if (g_state.ds_optserverip == ntohl(g_state.ds_serverip) &&
diff --git a/apps/netutils/discover/Makefile b/apps/netutils/discover/Makefile
index 2cee70b4b..5054e52fe 100644
--- a/apps/netutils/discover/Makefile
+++ b/apps/netutils/discover/Makefile
@@ -43,7 +43,7 @@ include $(APPDIR)/Make.defs
 # Telnet daemon
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_UDP),y)
 CSRCS		+= discover.c
@@ -69,7 +69,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/dnsclient/Makefile b/apps/netutils/dnsclient/Makefile
index e3909ebe3..9b5f11631 100644
--- a/apps/netutils/dnsclient/Makefile
+++ b/apps/netutils/dnsclient/Makefile
@@ -66,7 +66,7 @@ ROOTDEPPATH = --dep-path .
 
 # Common build
 
-VPATH = 
+VPATH =
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/ftpc/Makefile b/apps/netutils/ftpc/Makefile
index b610961d8..09ed62cdb 100644
--- a/apps/netutils/ftpc/Makefile
+++ b/apps/netutils/ftpc/Makefile
@@ -40,11 +40,11 @@ include $(APPDIR)/Make.defs
 # DHCP Daemn Library
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_TCP),y)
 # FTP connection management
-CSRCS = ftpc_connect.c ftpc_disconnect.c 
+CSRCS = ftpc_connect.c ftpc_disconnect.c
 
 # FTP commands
 CSRCS += ftpc_cdup.c ftpc_chdir.c ftpc_chmod.c ftpc_filesize.c ftpc_filetime.c
@@ -82,7 +82,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/ftpc/ftpc_cdup.c b/apps/netutils/ftpc/ftpc_cdup.c
index d65b5789f..47e9620d9 100644
--- a/apps/netutils/ftpc/ftpc_cdup.c
+++ b/apps/netutils/ftpc/ftpc_cdup.c
@@ -74,7 +74,7 @@
  *   Make the parent of the current directory be the new current directory.
  *
  ****************************************************************************/
- 
+
 int ftpc_cdup(SESSION handle)
 {
   FAR struct ftpc_session_s *session = (FAR struct ftpc_session_s *)handle;
diff --git a/apps/netutils/ftpc/ftpc_cmd.c b/apps/netutils/ftpc/ftpc_cmd.c
index cb1f9e496..11fc90152 100644
--- a/apps/netutils/ftpc/ftpc_cmd.c
+++ b/apps/netutils/ftpc/ftpc_cmd.c
@@ -133,7 +133,7 @@ int ftpc_cmd(struct ftpc_session_s *session, const char *cmd, ...)
   int ret;
 
   /* Verify that we are still connecte to the server */
- 
+
   if (!ftpc_sockconnected(&session->cmd))
   {
     ndbg("Cmd channel si not connected\n");
@@ -169,7 +169,7 @@ int ftpc_cmd(struct ftpc_session_s *session, const char *cmd, ...)
        }
 
       /* Get the response to the command */
- 
+
       ret = fptc_getreply(session);
       if (ret < 0)
         {
diff --git a/apps/netutils/ftpc/ftpc_getfile.c b/apps/netutils/ftpc/ftpc_getfile.c
index add07125f..a7c398adf 100644
--- a/apps/netutils/ftpc/ftpc_getfile.c
+++ b/apps/netutils/ftpc/ftpc_getfile.c
@@ -101,20 +101,20 @@ static int ftpc_recvinit(struct ftpc_session_s *session, FAR const char *path,
   /* Handle the resume offset (caller is responsible for fseeking in the
    * file)
    */
- 
+
   if (offset > 0)
     {
       /* Send the REST command.  This command sets the offset where the
        * transfer should start.  This must come after PORT or PASV commands.
        */
- 
+
       ret = ftpc_cmd(session, "REST %ld", offset);
       if (ret < 0)
         {
           ndbg("REST command failed: %d\n", errno);
           return ERROR;
         }
- 
+
       session->size = offset;
     }
 
@@ -217,7 +217,7 @@ static int ftpc_recvbinary(FAR struct ftpc_session_s *session,
         }
 
       /* Increment the size of the file written */
- 
+
       session->size += nwritten;
     }
 }
diff --git a/apps/netutils/ftpc/ftpc_getreply.c b/apps/netutils/ftpc/ftpc_getreply.c
index 3a9952daf..f07f83f60 100644
--- a/apps/netutils/ftpc/ftpc_getreply.c
+++ b/apps/netutils/ftpc/ftpc_getreply.c
@@ -137,7 +137,7 @@ static int ftpc_gets(struct ftpc_session_s *session)
       else if (ch == ISO_cr)
         {
           /* What follows the carriage return? */
- 
+
           ch = ftpc_sockgetc(&session->cmd);
           if (ch == '\0')
             {
@@ -184,7 +184,7 @@ static int ftpc_gets(struct ftpc_session_s *session)
       if (ndx < CONFIG_FTP_MAXREPLY)
         {
           /* Yes.. put the character in the reply buffer */
- 
+
           session->reply[ndx++] = (char)ch;
         }
       else
@@ -212,7 +212,7 @@ int fptc_getreply(struct ftpc_session_s *session)
   int ret;
 
   /* Set up a timeout */
-  
+
   if (session->replytimeo)
     {
       ret = wd_start(session->wdog, session->replytimeo, ftpc_timeout, 1, session);
@@ -244,7 +244,7 @@ int fptc_getreply(struct ftpc_session_s *session)
       return ERROR;
     }
 
-  nvdbg("Reply: %s\n", session->reply);        
+  nvdbg("Reply: %s\n", session->reply);
 
   if (session->reply[3] == '-')
     {
diff --git a/apps/netutils/ftpc/ftpc_internal.h b/apps/netutils/ftpc/ftpc_internal.h
index 4370f8dab..a2a6fffce 100644
--- a/apps/netutils/ftpc/ftpc_internal.h
+++ b/apps/netutils/ftpc/ftpc_internal.h
@@ -222,7 +222,7 @@ extern "C" {
  * Public Functions
  ****************************************************************************/
 /* Low-level string management */
- 
+
 EXTERN void ftpc_stripcrlf(FAR char *str);
 EXTERN void ftpc_stripslash(FAR char *str);
 EXTERN FAR char *ftpc_dequote(FAR const char *hostname);
diff --git a/apps/netutils/ftpc/ftpc_noop.c b/apps/netutils/ftpc/ftpc_noop.c
index 6932b1489..5682400dc 100644
--- a/apps/netutils/ftpc/ftpc_noop.c
+++ b/apps/netutils/ftpc/ftpc_noop.c
@@ -74,7 +74,7 @@
  *   No operation command.  Using NOOP allows us to make sure that commands
  *   are passed over the control connection without changing the status of
  *   any data transaction or server status.  This is useful for (1)
- *   maintaining connections during long IDLE times and (2) It can also be 
+ *   maintaining connections during long IDLE times and (2) It can also be
  *   used as a harmless way of detecting timeouts.
  *
  ****************************************************************************/
diff --git a/apps/netutils/ftpc/ftpc_putfile.c b/apps/netutils/ftpc/ftpc_putfile.c
index d59c4c99e..751597259 100644
--- a/apps/netutils/ftpc/ftpc_putfile.c
+++ b/apps/netutils/ftpc/ftpc_putfile.c
@@ -321,7 +321,7 @@ static int ftpc_sendfile(struct ftpc_session_s *session, const char *path,
    *
    * - "450 Requested file action not taken", "452 - Requested action not
    *   taken" or "553 Requested action not taken" without first responding
-   *   with a mark. 
+   *   with a mark.
    */
 
   /* In active mode, we need to accept a connection on the data socket
diff --git a/apps/netutils/ftpc/ftpc_rename.c b/apps/netutils/ftpc/ftpc_rename.c
index abda04657..34c067a62 100644
--- a/apps/netutils/ftpc/ftpc_rename.c
+++ b/apps/netutils/ftpc/ftpc_rename.c
@@ -109,7 +109,7 @@ int ftpc_rename(SESSION handle, FAR const char *oldname, FAR const char *newname
 
   newcopy = strdup(newname);
   ftpc_stripslash(newcopy);
-  
+
   /* A RNTO request asks the server to finish renaming a file. RNTO must
    * come immediately after RNFR; otherwise the server may reject RNTO with:
    *
diff --git a/apps/netutils/ftpc/ftpc_rpwd.c b/apps/netutils/ftpc/ftpc_rpwd.c
index ed60cfeb0..91dd1504f 100644
--- a/apps/netutils/ftpc/ftpc_rpwd.c
+++ b/apps/netutils/ftpc/ftpc_rpwd.c
@@ -105,7 +105,7 @@ FAR char *ftpc_rpwd(SESSION handle)
       return NULL;
     }
   start++;
- 
+
   end = strchr(start, '\"');
   if (!end)
     {
@@ -120,7 +120,7 @@ FAR char *ftpc_rpwd(SESSION handle)
    *
    *   len = end - start + 1 = 11 (+ NUL terminator)
    */
- 
+
   len = end - start + 1;
   pwd = (char *)malloc(len + 1);
   if (!pwd)
@@ -128,7 +128,7 @@ FAR char *ftpc_rpwd(SESSION handle)
       ndbg("Failed to allocate string\n");
       return NULL;
     }
- 
+
   /* Copy the string into the allocated memory */
 
   memcpy(pwd, start, len);
diff --git a/apps/netutils/ftpc/ftpc_socket.c b/apps/netutils/ftpc/ftpc_socket.c
index f904688fd..b2e76b44b 100644
--- a/apps/netutils/ftpc/ftpc_socket.c
+++ b/apps/netutils/ftpc/ftpc_socket.c
@@ -210,14 +210,14 @@ void ftpc_sockcopy(FAR struct ftpc_socket_s *dest,
  *
  * Description:
  *   Accept a connection on the data socket.  This function is onlly used
- *   in active mode. 
+ *   in active mode.
  *
  *   In active mode FTP the client connects from a random port (N>1023) to the
  *   FTP server's command port, port 21. Then, the client starts listening to
  *   port N+1 and sends the FTP command PORT N+1 to the FTP server. The server
  *   will then connect back to the client's specified data port from its local
  *   data port, which is port 20. In passive mode FTP the client initiates
- *   both connections to the server, solving the problem of firewalls filtering 
+ *   both connections to the server, solving the problem of firewalls filtering
  *   the incoming data port connection to the client from the server. When
  *   opening an FTP connection, the client opens two random ports locally
  *   (N>1023 and N+1). The first port contacts the server on port 21, but
@@ -225,7 +225,7 @@ void ftpc_sockcopy(FAR struct ftpc_socket_s *dest,
  *   back to its data port, the client will issue the PASV command. The result
  *   of this is that the server then opens a random unprivileged port (P >
  *   1023) and sends the PORT P command back to the client. The client then
- *   initiates the connection from port N+1 to port P on the server to transfer 
+ *   initiates the connection from port N+1 to port P on the server to transfer
  *   data.
  *
  ****************************************************************************/
diff --git a/apps/netutils/ftpc/ftpc_transfer.c b/apps/netutils/ftpc/ftpc_transfer.c
index 46ec88ec9..e26d7e87b 100644
--- a/apps/netutils/ftpc/ftpc_transfer.c
+++ b/apps/netutils/ftpc/ftpc_transfer.c
@@ -85,7 +85,7 @@
  *   port N+1 and sends the FTP command PORT N+1 to the FTP server. The server
  *   will then connect back to the client's specified data port from its local
  *   data port, which is port 20. In passive mode FTP the client initiates
- *   both connections to the server, solving the problem of firewalls filtering 
+ *   both connections to the server, solving the problem of firewalls filtering
  *   the incoming data port connection to the client from the server. When
  *   opening an FTP connection, the client opens two random ports locally
  *   (N>1023 and N+1). The first port contacts the server on port 21, but
@@ -93,7 +93,7 @@
  *   back to its data port, the client will issue the PASV command. The result
  *   of this is that the server then opens a random unprivileged port (P >
  *   1023) and sends the PORT P command back to the client. The client then
- *   initiates the connection from port N+1 to port P on the server to transfer 
+ *   initiates the connection from port N+1 to port P on the server to transfer
  *   data.
  *
  ****************************************************************************/
@@ -137,7 +137,7 @@ static int ftp_pasvmode(struct ftpc_session_s *session,
   /* The response is then 6 integer values:  four representing the
    * IP address and two representing the port number.
    */
- 
+
   nscan = sscanf(ptr, "%d,%d,%d,%d,%d,%d",
                  &tmpap[0], &tmpap[1], &tmpap[2],
                  &tmpap[3], &tmpap[4], &tmpap[5]);
@@ -149,7 +149,7 @@ static int ftp_pasvmode(struct ftpc_session_s *session,
 
   /* Then copy the sscanf'ed values as bytes */
 
-  
+
   for (i = 0; i < 6; i++)
     {
       addrport[i] = (uint8_t)(tmpap[i] & 0xff);
@@ -185,7 +185,7 @@ static FAR char *ftpc_abspath(FAR struct ftpc_session_s *session,
   if (relpath[0] == '~')
     {
       /* Is the relative path only '~' */
- 
+
       if (relpath[1] == '\0')
         {
           return strdup(homedir);
@@ -209,7 +209,7 @@ static FAR char *ftpc_abspath(FAR struct ftpc_session_s *session,
   /* No tilde expansion.  Check for a path relative to the current
    * directory.
    */
-  
+
   else if (strncmp(relpath, "./", 2) == 0)
     {
       ret = asprintf(&ptr, "%s%s", curdir, relpath+1);
@@ -278,7 +278,7 @@ int ftpc_xfrinit(FAR struct ftpc_session_s *session)
   if (FTPC_IS_PASSIVE(session))
     {
       /* Yes.. going passive. */
-  
+
       ret = ftp_pasvmode(session, addrport);
       if (ret != OK)
         {
@@ -370,7 +370,7 @@ int ftpc_xfrmode(struct ftpc_session_s *session, uint8_t xfrmode)
        *
        *  The server accepts the TYPE request with code 200.
        */
-  
+
       ret = ftpc_cmd(session, "TYPE %c", xfrmode == FTPC_XFRMODE_ASCII ? 'A' : 'I');
       session->xfrmode = xfrmode;
     }
@@ -405,7 +405,7 @@ int ftpc_xfrabort(FAR struct ftpc_session_s *session, FAR FILE *stream)
   if (ret > 0)
   {
     /* Read data from command channel */
- 
+
     nvdbg("Flush cmd channel data\n");
     while (stream && fread(session->buffer, 1, CONFIG_FTP_BUFSIZE, stream) > 0);
     return OK;
@@ -428,7 +428,7 @@ int ftpc_xfrabort(FAR struct ftpc_session_s *session, FAR FILE *stream)
   while (stream && fread(session->buffer, 1, CONFIG_FTP_BUFSIZE, stream) > 0);
 
   /* Get the ABORt reply */
- 
+
   fptc_getreply(session);
 
   /* Expected replys are: "226 Closing data connection" or
@@ -448,7 +448,7 @@ int ftpc_xfrabort(FAR struct ftpc_session_s *session, FAR FILE *stream)
      /* Expected replys are:  or "225 Data connection open; no transfer in progress"
       * "226 Closing data connection"
       */
- 
+
      if (session->code != 226 && session->code != 225)
        {
          nvdbg("Expected 225 or 226 reply\n");
diff --git a/apps/netutils/ftpc/ftpc_utils.c b/apps/netutils/ftpc/ftpc_utils.c
index 50b1a6e4e..ef67c1f05 100644
--- a/apps/netutils/ftpc/ftpc_utils.c
+++ b/apps/netutils/ftpc/ftpc_utils.c
@@ -226,7 +226,7 @@ FAR char *ftpc_dequote(FAR const char *str)
       if (allocstr)
         {
           /* Search the string */
- 
+
           ptr = allocstr;
           while (*str)
             {
diff --git a/apps/netutils/ftpd/Makefile b/apps/netutils/ftpd/Makefile
index b537e6d86..1a779f4ba 100644
--- a/apps/netutils/ftpd/Makefile
+++ b/apps/netutils/ftpd/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # Telnet daemon
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_TCP),y)
 CSRCS		+= ftpd.c
@@ -66,7 +66,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/ftpd/ftpd.c b/apps/netutils/ftpd/ftpd.c
index 807bd82f1..4262b2619 100644
--- a/apps/netutils/ftpd/ftpd.c
+++ b/apps/netutils/ftpd/ftpd.c
@@ -218,7 +218,7 @@ static const struct ftpd_cmd_s g_ftpdcmdtab[] =
   {"XMKD", ftpd_command_mkd , FTPD_CMDFLAG_LOGIN}, /* XMKD <SP> <pathname> <CRLF> */
   {"DELE", ftpd_command_dele, FTPD_CMDFLAG_LOGIN}, /* DELE <SP> <pathname> <CRLF> */
   {"PASV", ftpd_command_pasv, FTPD_CMDFLAG_LOGIN}, /* PASV <CRLF> */
-  {"EPSV", ftpd_command_epsv, FTPD_CMDFLAG_LOGIN}, /* EPSV <SP> <net-prt> <CRLF> OR EPSV <SP> ALL <CRLF> */ 
+  {"EPSV", ftpd_command_epsv, FTPD_CMDFLAG_LOGIN}, /* EPSV <SP> <net-prt> <CRLF> OR EPSV <SP> ALL <CRLF> */
   {"LPSV", ftpd_command_epsv, FTPD_CMDFLAG_LOGIN}, /* LPSV ??? */
   {"LIST", ftpd_command_list, FTPD_CMDFLAG_LOGIN}, /* LIST [<SP> <pathname>] <CRLF> */
   {"NLST", ftpd_command_nlst, FTPD_CMDFLAG_LOGIN}, /* NLST [<SP> <pathname>] <CRLF> */
@@ -242,7 +242,7 @@ static const struct ftpd_cmd_s g_ftpdcmdtab[] =
   {"STAT", ftpd_command_stat, FTPD_CMDFLAG_LOGIN}, /* STAT [<SP> <pathname>] <CRLF> */
   {"ALLO", ftpd_command_stat, FTPD_CMDFLAG_LOGIN}, /* ALLO <SP> <decimal-integer> [<SP> R <SP> <decimal-integer>] <CRLF> */
 #endif
-  {NULL, (ftpd_cmdhandler_t)0, 0} 
+  {NULL, (ftpd_cmdhandler_t)0, 0}
 };
 
 static const char g_cdup[]      = "..";
@@ -350,7 +350,7 @@ static void ftpd_account_free(FAR struct ftpd_account_s *account)
         {
           free(prev->home);
         }
-    
+
       if (prev->password)
         {
           free(prev->password);
@@ -385,7 +385,7 @@ static int ftpd_account_setpassword(FAR struct ftpd_account_s *account,
     }
 
   /* Free any existing password string */
-  
+
   if (account->password)
     {
       free(account->password);
@@ -425,7 +425,7 @@ static int ftpd_account_add(FAR struct ftpd_server_s *server,
     }
 
   /* Handle the case where the list is empty */
- 
+
   if (!server->head)
     {
       server->head = head;
@@ -486,7 +486,7 @@ ftpd_account_search_user(FAR struct ftpd_session_s *session,
 {
   FAR struct ftpd_account_s *newaccount = NULL;
   FAR struct ftpd_account_s *account;
-  uint8_t accountflags; 
+  uint8_t accountflags;
 
   account = session->head;
   while (account)
@@ -647,7 +647,7 @@ static FAR char *ftpd_strtok(bool skipspace, FAR const char *delimiters,
   FAR const char *dptr;
   FAR char *sptr;
   FAR char *ret;
- 
+
   sptr = *str;
 
   /* Skip any leading spaces */
@@ -681,7 +681,7 @@ static FAR char *ftpd_strtok(bool skipspace, FAR const char *delimiters,
 
       sptr++;
     }
-    
+
     /* Save the place where we will resuming searching */
 
     *str = sptr;
@@ -940,7 +940,7 @@ static ssize_t ftpd_recv(int sd, FAR void *data, size_t size, int timeout)
 static ssize_t ftpd_send(int sd, FAR const void *data, size_t size, int timeout)
 {
   ssize_t ret;
-    
+
   /* Handle any requested timetout */
 
   if (timeout >= 0)
@@ -1052,7 +1052,7 @@ static int ftpd_dataopen(FAR struct ftpd_session_s *session)
 
       return OK;
     }
-    
+
   /* PASV session */
 
   session->data.addrlen = sizeof(session->data.addr);
@@ -1109,7 +1109,7 @@ static FAR struct ftpd_server_s *ftpd_openserver(int port)
   sa_family_t family;
   socklen_t addrlen;
   FAR const void *addr;
-#if defined(SOMAXCONN)    
+#if defined(SOMAXCONN)
   int backlog = SOMAXCONN;
 #else
   int backlog = 5;
@@ -1142,14 +1142,14 @@ static FAR struct ftpd_server_s *ftpd_openserver(int port)
     }
 
   family  = AF_INET6;
-  addrlen = (socklen_t)sizeof(server->addr.in6); 
+  addrlen = (socklen_t)sizeof(server->addr.in6);
   addr    = (FAR void *)(&server->addr.in6);
 
   server->addr.in6.sin6_family   = family;
   server->addr.in6.sin6_flowinfo = 0;
   server->addr.in6.sin6_addr     = in6addr_any;
   server->addr.in6.sin6_port     = htons(port);
-#else    
+#else
   server->sd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
   if (server->sd < 0)
     {
@@ -1158,13 +1158,13 @@ static FAR struct ftpd_server_s *ftpd_openserver(int port)
     }
 
   family  = AF_INET;
-  addrlen = (socklen_t)sizeof(server->addr.in4); 
+  addrlen = (socklen_t)sizeof(server->addr.in4);
   addr    = (FAR void *)(&server->addr.in4);
 
   server->addr.in4.sin_family      = family;
   server->addr.in4.sin_addr.s_addr = htonl(INADDR_ANY);
   server->addr.in4.sin_port        = htons(port);
-#endif    
+#endif
 
 #ifdef CONFIG_NET_HAVE_REUSEADDR
   {
@@ -1214,14 +1214,14 @@ static int ftpd_pathignore(FAR struct ftpd_pathnode_s *currpath)
         {
           currpath->ignore = true;
         }
-        
+
       return OK;
     }
 
   if (strcmp(currpath->name, "..") == 0)
     {
       currpath->ignore = true;
-        
+
       node = currpath->blink;
       while (node)
         {
@@ -1251,7 +1251,7 @@ static int ftpd_pathignore(FAR struct ftpd_pathnode_s *currpath)
 }
 
 /****************************************************************************
- * Name: 
+ * Name:
  ****************************************************************************/
 
 static void ftpd_nodefree(FAR struct ftpd_pathnode_s *node)
@@ -1286,7 +1286,7 @@ static FAR struct ftpd_pathnode_s *ftpd_path2node(FAR const char *path)
     {
       return NULL;
     }
-     
+
   while (path[0] != '\0')
     {
       name = ftpd_strtok_alloc(false, "/\\", &path);
@@ -1326,7 +1326,7 @@ static FAR struct ftpd_pathnode_s *ftpd_path2node(FAR const char *path)
 
       (void)ftpd_pathignore(newnode);
     }
-     
+
   return head;
 }
 
@@ -1371,7 +1371,7 @@ static FAR char *ftpd_node2path(FAR struct ftpd_pathnode_s *node,
 
           node2 = node2->flink;
         }
-        
+
       namelen = !node1->name ? 0 : strlen(node1->name);
       if (!node2)
         {
@@ -1391,7 +1391,7 @@ static FAR char *ftpd_node2path(FAR struct ftpd_pathnode_s *node,
 
       node1 = node1->flink;
     }
-   
+
   path = (FAR char *)malloc(allocsize);
   if (!path)
     {
@@ -1421,7 +1421,7 @@ static FAR char *ftpd_node2path(FAR struct ftpd_pathnode_s *node,
 
           node2 = node2->flink;
         }
-        
+
       namelen = !node1->name ? 0 : strlen(node1->name);
 
       if (!node2)
@@ -1461,7 +1461,7 @@ ftpd_nodeappend(FAR struct ftpd_pathnode_s *head,
       if (node && node->name && strlen(node->name) <= 0)
         {
           ftpd_nodefree(head);
-          head = NULL;                    
+          head = NULL;
         }
     }
 
@@ -1475,7 +1475,7 @@ ftpd_nodeappend(FAR struct ftpd_pathnode_s *head,
       head = node;
       node = NULL;
     }
-        
+
   if (node)
     {
       temp = head;
@@ -1487,7 +1487,7 @@ ftpd_nodeappend(FAR struct ftpd_pathnode_s *head,
       node->blink = temp;
       temp->flink = node;
     }
-        
+
   /* clear ignore */
 
   temp = head;
@@ -1532,7 +1532,7 @@ static int ftpd_getpath(FAR struct ftpd_session_s *session,
     {
       *workpath = NULL;
     }
-    
+
   worknode = ftpd_path2node(!session->work ? "" : session->work);
   if (!worknode)
     {
@@ -1664,8 +1664,8 @@ static off_t ftpd_offsatoi(FAR const char *filename, off_t offset)
       return -errval;
     }
 
-  ret  = 0; 
-  temp = 0; 
+  ret  = 0;
+  temp = 0;
 
   if (offset == (off_t)(-1))
     {
@@ -1805,7 +1805,7 @@ static int ftpd_stream(FAR struct ftpd_session_s *session, int cmdtype)
                           g_respfmt1, 550, ' ', "Can not open file !");
       goto errout_with_data;
     }
-    
+
   /* Restart position */
 
   if (session->restartpos > 0)
@@ -2005,7 +2005,7 @@ static int ftpd_stream(FAR struct ftpd_session_s *session, int cmdtype)
 
       pos += (off_t)wrbytes;
     }
-    
+
 errout_with_session:;
     close(session->fd);
     session->fd = -1;
@@ -2254,7 +2254,7 @@ static int ftpd_listbuffer(FAR struct ftpd_session_s *session, FAR char *path,
           offset += snprintf(&buffer[offset], buflen - offset, " %02u:%02u",
                              tm.tm_hour, tm.tm_min);
         }
-        
+
       /* basename */
 
       offset += snprintf(&buffer[offset], buflen - offset, " %s", name);
@@ -2318,7 +2318,7 @@ static int fptd_listscan(FAR struct ftpd_session_s *session, FAR char *path,
   if (!S_ISDIR(st.st_mode))
     {
       ret = ftpd_listbuffer(session, path, &st, session->data.buffer,
-                            session->data.buflen, opton); 
+                            session->data.buflen, opton);
       if (ret == 0)
         {
           ret = ftpd_response(session->data.sd, session->txtimeout,
@@ -2351,7 +2351,7 @@ static int fptd_listscan(FAR struct ftpd_session_s *session, FAR char *path,
               continue;
             }
         }
- 
+
       asprintf(&temp, "%s/%s", path, entry->d_name);
       if (!temp)
         {
@@ -2366,7 +2366,7 @@ static int fptd_listscan(FAR struct ftpd_session_s *session, FAR char *path,
         }
 
       ret = ftpd_listbuffer(session, temp, &st, session->data.buffer,
-                            session->data.buflen, opton); 
+                            session->data.buflen, opton);
       if (ret >= 0)
         {
           ret = ftpd_response(session->data.sd, session->txtimeout,
@@ -2414,7 +2414,7 @@ static int ftpd_command_user(FAR struct ftpd_session_s *session)
 {
   int ret;
 
-  /* Clear session status */ 
+  /* Clear session status */
 
   session->flags      = 0;
   session->restartpos = 0;
@@ -2586,7 +2586,7 @@ static int ftpd_command_type(FAR struct ftpd_session_s *session)
             }
         }
     }
-    
+
   session->type = FTPD_SESSIONTYPE_NONE;
   return ftpd_response(session->cmd.sd, session->txtimeout,
                        g_respfmt1, 500, ' ', "TYPE not understood !");
@@ -2708,7 +2708,7 @@ static int ftpd_command_port(FAR struct ftpd_session_s *session)
 
   utemp = (value[0] << 24) | (value[1] << 16) | (value[2] << 8) | (value[3]);
   session->data.addr.in4.sin_addr.s_addr = htonl((long)utemp);
-    
+
   utemp = (value[4] << 8) | (value[5]);
   session->data.addr.in4.sin_port = htons((short)utemp);
 
@@ -2724,11 +2724,11 @@ static int ftpd_command_port(FAR struct ftpd_session_s *session)
           memset(&session->data.addr, 0, sizeof(session->data.addr));
 
           session->data.addr.in4.sin_family = AF_INET;
-    
+
           utemp = (value[0] << 24) | (value[1] << 16) | (value[2] << 8) | (value[3]);
           session->data.addr.in4.sin_addr.s_addr = htonl(utemp);
         }
-            
+
       utemp = (value[4] << 8) | (value[5]);
       session->data.addr.in4.sin_port = htons(utemp);
     }
@@ -2737,7 +2737,7 @@ static int ftpd_command_port(FAR struct ftpd_session_s *session)
       memset(&session->data.addr, 0, sizeof(session->data.addr));
 
       session->data.addr.in4.sin_family = AF_INET;
-    
+
       utemp = (value[0] << 24) | (value[1] << 16) | (value[2] << 8) | (value[3]);
       session->data.addr.in4.sin_addr.s_addr = htonl(utemp);
     }
@@ -2798,13 +2798,13 @@ static int ftpd_command_eprt(FAR struct ftpd_session_s *session)
                           "EPRT command not implemented !");
       return -EINVAL;
     }
-            
+
   count = 3;
   for (index = 0; index < count; index++)
     {
       field[index] = NULL;
     }
-    
+
   str = (FAR const char *)&session->param[left];
   for (index = 0; index < count && *str != '\0'; index++)
     {
@@ -2844,7 +2844,7 @@ static int ftpd_command_eprt(FAR struct ftpd_session_s *session)
   if (family == 1)
     {
       family = AF_INET;
-        
+
       session->data.addr.in4.sin_family = family;
       (void)inet_pton(family, field[1], &session->data.addr.in4.sin_addr);
       session->data.addr.in4.sin_port = htons((short)atoi(field[2]));
@@ -2855,7 +2855,7 @@ static int ftpd_command_eprt(FAR struct ftpd_session_s *session)
   if (family == 2)
     {
       family = AF_INET6;
-        
+
       session->data.addr.in6.sin6_family = family;
       (void)inet_pton(family, field[1], &session->data.addr.in6.sin6_addr);
       session->data.addr.in6.sin6_port = htons((short)atoi(field[2]));
@@ -2866,7 +2866,7 @@ static int ftpd_command_eprt(FAR struct ftpd_session_s *session)
       ndbg("Unrecognized family: %d\n", family);
       family = AF_UNSPEC;
     }
-    
+
   for (index = 0;index < count;index++)
     {
       if (field[index])
@@ -2975,7 +2975,7 @@ static int ftpd_command_rmd(FAR struct ftpd_session_s *session)
                            g_respfmt1, 550, ' ',
                            "Can not remove directory !");
     }
-    
+
   free(abspath);
   free(workpath);
 
@@ -3008,7 +3008,7 @@ static int ftpd_command_mkd(FAR struct ftpd_session_s *session)
       return ftpd_response(session->cmd.sd, session->txtimeout,
                            g_respfmt1, 550, ' ', "Can not make directory !");
     }
-    
+
   free(abspath);
   return ftpd_response(session->cmd.sd, session->txtimeout,
                        g_respfmt1, 250, ' ', "MKD command successful");
@@ -3060,7 +3060,7 @@ static int ftpd_command_dele(FAR struct ftpd_session_s *session)
       return ftpd_response(session->cmd.sd, session->txtimeout,
                            g_respfmt1, 550, ' ', "Can not delete file !");
     }
-    
+
   free(abspath);
   free(workpath);
 
@@ -3154,7 +3154,7 @@ static int ftpd_command_pasv(FAR struct ftpd_session_s *session)
                            g_respfmt1, 425, ' ', "PASV getsockname fail !");
     }
 
-  ret = listen(session->data.sd, 1); 
+  ret = listen(session->data.sd, 1);
   if (ret < 0)
     {
       (void)ftpd_dataclose(session);
@@ -3213,10 +3213,10 @@ static int ftpd_command_epsv(FAR struct ftpd_session_s *session)
     }
   else
     {
-#if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)    
+#if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
       int ipv6only = 0;
       (void)setsockopt(session->data.sd, IPPROTO_IPV6, IPV6_V6ONLY, &ipv6only, sizeof(ipv6only));
-#endif        
+#endif
     }
 #else
   session->data.sd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
@@ -3251,7 +3251,7 @@ static int ftpd_command_epsv(FAR struct ftpd_session_s *session)
     }
 #else
   session->data.addr.in4.sin_port = htons(0);
-#endif    
+#endif
 
   ret = bind(session->data.sd, (FAR const struct sockaddr *)&session->data.addr,
              session->data.addrlen);
@@ -3420,7 +3420,7 @@ static int ftpd_command_size(FAR struct ftpd_session_s *session)
                            g_respfmt1, 550, ' ', "Unknown size !");
     }
   path = abspath;
-    
+
   ret = 0;
   switch (session->type)
     {
@@ -3442,14 +3442,14 @@ static int ftpd_command_size(FAR struct ftpd_session_s *session)
                                  ": not a regular file.");
           }
         else
-          { 
+          {
             ret = ftpd_response(session->cmd.sd, session->txtimeout,
                                 "%03u%c%llu\r\n", 213, ' ', (unsigned long long)st.st_size);
           }
       }
       break;
 
-    case FTPD_SESSIONTYPE_A: 
+    case FTPD_SESSIONTYPE_A:
       {
         status = stat(path, &st);
         if (status < 0)
@@ -3530,7 +3530,7 @@ static int ftpd_command_stru(FAR struct ftpd_session_s *session)
 }
 
 /****************************************************************************
- * Name: 
+ * Name:
  ****************************************************************************/
 
 static int ftpd_command_rnfr(FAR struct ftpd_session_s *session)
@@ -3562,7 +3562,7 @@ static int ftpd_command_rnfr(FAR struct ftpd_session_s *session)
                            g_respfmt2, 550, ' ', session->param,
                            ": No such file or directory.");
     }
-    
+
   session->renamefrom = abspath;
   session->flags |= FTPD_SESSIONFLAG_RENAMEFROM;
 
@@ -3578,7 +3578,7 @@ static int ftpd_command_rnto(FAR struct ftpd_session_s *session)
 {
   FAR char *abspath;
   int ret;
-    
+
   if (!session->renamefrom)
     {
       return ftpd_response(session->cmd.sd, session->txtimeout,
@@ -3591,7 +3591,7 @@ static int ftpd_command_rnto(FAR struct ftpd_session_s *session)
       return ftpd_response(session->cmd.sd, session->txtimeout,
                            g_respfmt1, 550, ' ', "RNTO error !");
     }
- 
+
   ret = rename(session->renamefrom, abspath);
   if (ret < 0)
     {
@@ -3641,7 +3641,7 @@ static int ftpd_command_rest(FAR struct ftpd_session_s *session)
 {
 #ifdef CONFIG_HAVE_LONG_LONG
     session->restartpos = (off_t)atoll(session->param);
-#else    
+#else
     session->restartpos = (off_t)atoi(session->param);
 #endif
     session->flags |= FTPD_SESSIONFLAG_RESTARTPOS;
@@ -3686,10 +3686,10 @@ static int ftpd_command_mdtm(FAR struct ftpd_session_s *session)
                              g_respfmt2, 550, ' ', session->param,
                              ": not a plain file.");
     }
-    
+
   free(abspath);
-  
-  memcpy(&tm, gmtime(&st.st_mtime), sizeof(tm)); 
+
+  memcpy(&tm, gmtime(&st.st_mtime), sizeof(tm));
   return ftpd_response(session->cmd.sd, session->txtimeout,
                        "%03u%c%04u%02u%02u%02u%02u%02u\r\n", 213, ' ',
                        tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
@@ -3826,7 +3826,7 @@ static int ftpd_command(FAR struct ftpd_session_s *session)
   int index = 0;
 
   /* Search the command table for a matching command */
- 
+
   for (index = 0; g_ftpdcmdtab[index].command; index++)
     {
       /* Does the command string match this entry? */
@@ -3834,7 +3834,7 @@ static int ftpd_command(FAR struct ftpd_session_s *session)
       if (strcmp(session->command, g_ftpdcmdtab[index].command) == 0)
         {
           /* Yes.. is a login required to execute this command? */
- 
+
           if ((g_ftpdcmdtab[index].flags & FTPD_CMDFLAG_LOGIN) != 0)
             {
               /* Yes... Check if the user is logged in */
@@ -4049,7 +4049,7 @@ static FAR void *ftpd_worker(FAR void *arg)
       recvbytes = ftpd_recv(session->cmd.sd, session->cmd.buffer,
                             session->cmd.buflen - 1, session->rxtimeout);
 
-      /* recbytes < 0 is a receive failure (posibily a timeout); 
+      /* recbytes < 0 is a receive failure (posibily a timeout);
        * recbytes == 0 indicates that we have lost the connection.
        */
 
@@ -4063,7 +4063,7 @@ static FAR void *ftpd_worker(FAR void *arg)
       /* Make sure that the recevied string is NUL terminated */
 
       session->cmd.buffer[recvbytes] = '\0';
-       
+
       /* TELNET protocol (RFC854)
        *   IAC   255(FFH) interpret as command:
        *   IP    244(F4H) interrupt process--permanently
@@ -4093,7 +4093,7 @@ static FAR void *ftpd_worker(FAR void *arg)
         }
 
       /* Make command message */
- 
+
       session->command = &session->cmd.buffer[offset];
       while (session->cmd.buffer[offset] != '\0')
         {
@@ -4103,7 +4103,7 @@ static FAR void *ftpd_worker(FAR void *arg)
               session->cmd.buffer[offset] = '\0';
               break;
             }
-          offset++;    
+          offset++;
         }
 
       /* Parse command and param tokens */
@@ -4214,7 +4214,7 @@ int ftpd_adduser(FTPD_SESSION handle, uint8_t accountflags,
       ndbg("ftpd_account_setpassword failed: %d\n", ret);
       goto errout_with_account;
     }
- 
+
   ret = ftpd_account_sethome(newaccount, home);
   if (ret < 0)
     {
@@ -4234,7 +4234,7 @@ int ftpd_adduser(FTPD_SESSION handle, uint8_t accountflags,
 
 errout_with_account:
   ftpd_account_free(newaccount);
-  
+
 errout:
   return ret;
 }
@@ -4287,8 +4287,8 @@ int ftpd_session(FTPD_SESSION handle, int timeout)
   session->head         = server->head;
   session->curr         = NULL;
   session->flags        = 0;
-  session->txtimeout    = -1; 
-  session->rxtimeout    = -1; 
+  session->txtimeout    = -1;
+  session->rxtimeout    = -1;
   session->cmd.sd       = (int)(-1);
   session->cmd.addrlen  = (socklen_t)sizeof(session->cmd.addr);
   session->cmd.buflen   = (size_t)CONFIG_FTPD_CMDBUFFERSIZE;
@@ -4318,7 +4318,7 @@ int ftpd_session(FTPD_SESSION handle, int timeout)
     }
 
   /* Allocate a data buffer */
-  
+
   session->data.buffer = (FAR char *)malloc(session->data.buflen);
   if (!session->data.buffer)
     {
diff --git a/apps/netutils/json/Makefile b/apps/netutils/json/Makefile
index b818ede81..17eb55e71 100644
--- a/apps/netutils/json/Makefile
+++ b/apps/netutils/json/Makefile
@@ -60,7 +60,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/json/README b/apps/netutils/json/README
index 6d60da934..058644f52 100644
--- a/apps/netutils/json/README
+++ b/apps/netutils/json/README
@@ -66,12 +66,12 @@ philosophy as JSON itself. Simple, dumb, out of the way.
 
 Some JSON:
 {
-    "name": "Jack (\"Bee\") Nimble", 
+    "name": "Jack (\"Bee\") Nimble",
     "format": {
-        "type":       "rect", 
-        "width":      1920, 
-        "height":     1080, 
-        "interlace":  false, 
+        "type":       "rect",
+        "width":      1920,
+        "height":     1080,
+        "interlace":  false,
         "frame rate": 24
     }
 }
@@ -99,7 +99,7 @@ Finished? Delete the root (this takes care of everything else).
 That's AUTO mode. If you're going to use Auto mode, you really ought to check pointers
 before you dereference them. If you want to see how you'd build this struct in code?
     cJSON *root,*fmt;
-    root=cJSON_CreateObject();    
+    root=cJSON_CreateObject();
     cJSON_AddItemToObject(root, "name", cJSON_CreateString("Jack (\"Bee\") Nimble"));
     cJSON_AddItemToObject(root, "format", fmt=cJSON_CreateObject());
     cJSON_AddStringToObject(fmt,"type",        "rect");
@@ -198,7 +198,7 @@ void parse_object(cJSON *item)
     int i; for (i=0;i<cJSON_GetArraySize(item);i++)
     {
         cJSON *subitem=cJSON_GetArrayItem(item,i);
-        // handle subitem.    
+        // handle subitem.
     }
 }
 
@@ -211,7 +211,7 @@ void parse_object(cJSON *item)
     {
         // handle subitem
         if (subitem->child) parse_object(subitem->child);
-        
+
         subitem=subitem->next;
     }
 }
@@ -240,7 +240,7 @@ cJSON *Create_array_of_anything(cJSON **items,int num)
     }
     return root;
 }
-    
+
 and simply: Create_array_of_anything(objects,24);
 
 cJSON doesn't make any assumptions about what order you create things in.
diff --git a/apps/netutils/json/cJSON.c b/apps/netutils/json/cJSON.c
index e5120ec42..322b30869 100644
--- a/apps/netutils/json/cJSON.c
+++ b/apps/netutils/json/cJSON.c
@@ -52,7 +52,7 @@
 /****************************************************************************
  * Private Data
  ****************************************************************************/
- 
+
 static const char *ep;
 
 static const unsigned char firstByteMark[7] =
@@ -75,7 +75,7 @@ static char *print_object(cJSON *item, int depth, int fmt);
 /****************************************************************************
  * Private Functions
  ****************************************************************************/
- 
+
 static char *cJSON_strdup(const char *str)
 {
   size_t len;
@@ -168,7 +168,7 @@ static const char *parse_number(cJSON *item, const char *num)
       do
         {
           n = (n * 10.0) + (*num++ - '0'), scale--;
-        }        
+        }
       while (*num >= '0' && *num <= '9');
     }
 
@@ -652,7 +652,7 @@ static const char *parse_array(cJSON *item, const char *value)
 
   /* Skip any spacing, get the value. */
 
-  value = skip(parse_value(child, skip(value))); 
+  value = skip(parse_value(child, skip(value)));
   if (!value)
     {
       return 0;
@@ -845,7 +845,7 @@ static const char *parse_object(cJSON *item, const char *value)
 
    /* Skip any spacing, get the value. */
 
-  value = skip(parse_value(child, skip(value + 1))); 
+  value = skip(parse_value(child, skip(value + 1)));
   if (!value)
     {
       return 0;
@@ -1089,7 +1089,7 @@ static cJSON *create_reference(cJSON *item)
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
- 
+
 const char *cJSON_GetErrorPtr(void)
 {
   return ep;
diff --git a/apps/netutils/ntpclient/Kconfig b/apps/netutils/ntpclient/Kconfig
index c7c0731a5..83986cfb3 100755
--- a/apps/netutils/ntpclient/Kconfig
+++ b/apps/netutils/ntpclient/Kconfig
@@ -18,7 +18,7 @@ config NETUTILS_NTPCLIENT_SERVERIP
 
 config NETUTILS_NTPCLIENT_PORTNO
 	int "NTP server port number"
-	default 123 
+	default 123
 
 config NETUTILS_NTPCLIENT_STACKSIZE
 	int "NTP client daemon stack stack size"
@@ -26,11 +26,11 @@ config NETUTILS_NTPCLIENT_STACKSIZE
 
 config NETUTILS_NTPCLIENT_SERVERPRIO
 	int "NTP client daemon priority"
-	default 100 
+	default 100
 
 config NETUTILS_NTPCLIENT_POLLDELAYSEC
 	int "NTP client poll interval (seconds)"
-	default 60 
+	default 60
 
 config NETUTILS_NTPCLIENT_SIGWAKEUP
 	int "NTP client wakeup signal number"
diff --git a/apps/netutils/ntpclient/Makefile b/apps/netutils/ntpclient/Makefile
index e3d0f5075..cbde46060 100755
--- a/apps/netutils/ntpclient/Makefile
+++ b/apps/netutils/ntpclient/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # NTP client daemon Library
 
 ASRCS =
-CSRCS = 
+CSRCS =
 
 ifeq ($(CONFIG_NET_UDP),y)
 CSRCS += ntpclient.c
@@ -66,7 +66,7 @@ ROOTDEPPATH = --dep-path .
 
 # Common build
 
-VPATH = 
+VPATH =
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/smtp/Makefile b/apps/netutils/smtp/Makefile
index b465b4f0b..d3dbaebf8 100644
--- a/apps/netutils/smtp/Makefile
+++ b/apps/netutils/smtp/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # SMTP Library
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_TCP),y)
 CSRCS		+= smtp.c
@@ -66,7 +66,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/telnetd/Makefile b/apps/netutils/telnetd/Makefile
index 129162aca..99caf425f 100644
--- a/apps/netutils/telnetd/Makefile
+++ b/apps/netutils/telnetd/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # Telnet daemon
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_TCP),y)
 CSRCS		+= telnetd_daemon.c telnetd_driver.c
@@ -66,7 +66,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/telnetd/telnetd.h b/apps/netutils/telnetd/telnetd.h
index 957c6c550..0d0d69cac 100644
--- a/apps/netutils/telnetd/telnetd.h
+++ b/apps/netutils/telnetd/telnetd.h
@@ -63,7 +63,7 @@ struct telnetd_s
                                     * connection is accepted. */
 };
 
-/* This structure is used to passed information to telnet daemon when it 
+/* This structure is used to passed information to telnet daemon when it
  * started.  It contains global information visable to all telnet daemons.
  */
 
@@ -80,7 +80,7 @@ struct telnetd_common_s
  * Public Data
  ****************************************************************************/
 
-/* This structure is used to passed information to telnet daemon when it 
+/* This structure is used to passed information to telnet daemon when it
  * started.  It contains global information visable to all telnet daemons.
  */
 
@@ -105,7 +105,7 @@ extern struct telnetd_common_s g_telnetdcommon;
  * Return:
  *   An allocated string represent the full path to the created driver.  The
  *   receiver of the string must de-allocate this memory when it is no longer
- *   needed.  NULL is returned on a failure. 
+ *   needed.  NULL is returned on a failure.
  *
  ****************************************************************************/
 
diff --git a/apps/netutils/telnetd/telnetd_daemon.c b/apps/netutils/telnetd/telnetd_daemon.c
index aea9eb483..24c11bef4 100644
--- a/apps/netutils/telnetd/telnetd_daemon.c
+++ b/apps/netutils/telnetd/telnetd_daemon.c
@@ -70,7 +70,7 @@
  * Public Data
  ****************************************************************************/
 
-/* This structure is used to passed information to telnet daemon when it 
+/* This structure is used to passed information to telnet daemon when it
  * started.
  */
 
diff --git a/apps/netutils/telnetd/telnetd_driver.c b/apps/netutils/telnetd/telnetd_driver.c
index 7f87b8c70..f189d5613 100644
--- a/apps/netutils/telnetd/telnetd_driver.c
+++ b/apps/netutils/telnetd/telnetd_driver.c
@@ -136,7 +136,7 @@ static void    telnetd_sendopt(FAR struct telnetd_dev_s *priv, uint8_t option,
                  uint8_t value);
 
 /* Character driver methods */
- 
+
 static int     telnetd_open(FAR struct file *filep);
 static int     telnetd_close(FAR struct file *filep);
 static ssize_t telnetd_read(FAR struct file *, FAR char *, size_t);
@@ -181,7 +181,7 @@ static inline void telnetd_dumpbuffer(FAR const char *msg,
   /* CONFIG_DEBUG, CONFIG_DEBUG_VERBOSE, and CONFIG_DEBUG_NET have to be
   * defined or the following does nothing.
   */
-    
+
   nvdbgdumpbuffer(msg, (FAR const uint8_t*)buffer, nbytes);
 }
 #endif
@@ -741,7 +741,7 @@ static int telnetd_poll(FAR struct file *filep, FAR struct pollfd *fds,
  * Return:
  *   An allocated string represent the full path to the created driver.  The
  *   receiver of the string must de-allocate this memory when it is no longer
- *   needed.  NULL is returned on a failure. 
+ *   needed.  NULL is returned on a failure.
  *
  ****************************************************************************/
 
diff --git a/apps/netutils/tftpc/Makefile b/apps/netutils/tftpc/Makefile
index cd0792a4e..952bc620e 100644
--- a/apps/netutils/tftpc/Makefile
+++ b/apps/netutils/tftpc/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # TFTP Client Library
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_UDP),y)
 ifneq ($(CONFIG_NFILE_DESCRIPTORS),0)
@@ -68,7 +68,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/thttpd/Kconfig b/apps/netutils/thttpd/Kconfig
index 403ce8092..3229ff403 100644
--- a/apps/netutils/thttpd/Kconfig
+++ b/apps/netutils/thttpd/Kconfig
@@ -218,7 +218,7 @@ choice
 		is an error.
 
 		Typical values, if they're defined, are "users" for THTTPD_TILDE_MAP1
-		and "public_html" for THTTPD_TILDE_MAP2. 
+		and "public_html" for THTTPD_TILDE_MAP2.
 
 config THTTPD_USE_TILDE_MAP1
 	bool "Tilde mapping 1"
@@ -244,7 +244,7 @@ config THTTPD_USE_TILDE_MAP2
 		the name of a subdirectory off of the user's actual home dir,
 		something like "public_html".
 
-		The typical value THTTPD_TILDE_MAP2 is "public_html". 
+		The typical value THTTPD_TILDE_MAP2 is "public_html".
 
 config THTTPD_TILDE_MAP_NONE
 	bool "No tilde mapping"
@@ -286,7 +286,7 @@ config THTTPD_TILDE_MAP2
 		the name of a subdirectory off of the user's actual home dir,
 		something like "public_html".
 
-		The typical value THTTPD_TILDE_MAP2 is "public_html". 
+		The typical value THTTPD_TILDE_MAP2 is "public_html".
 
 config THTTPD_GENERATE_INDICES
 	bool "Generate name indices"
diff --git a/apps/netutils/thttpd/Makefile b/apps/netutils/thttpd/Makefile
index 02a86f477..a2eaa3476 100644
--- a/apps/netutils/thttpd/Makefile
+++ b/apps/netutils/thttpd/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # THTTPD Library
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_TCP),y)
 CSRCS		+= thttpd.c libhttpd.c thttpd_cgi.c thttpd_alloc.c thttpd_strings.c timers.c fdwatch.c tdate_parse.c
diff --git a/apps/netutils/thttpd/cgi-src/ssi.c b/apps/netutils/thttpd/cgi-src/ssi.c
index c8bdab4ed..12d59d271 100644
--- a/apps/netutils/thttpd/cgi-src/ssi.c
+++ b/apps/netutils/thttpd/cgi-src/ssi.c
@@ -187,7 +187,7 @@ static int get_filename(char *vfilename, char *filename,
 
   /* Used for the various commands that accept a file name. These commands
    * accept two tags: virtual Gives a virtual path to a document on the
-   * server. file Gives a pathname relative to the current directory. ../ 
+   * server. file Gives a pathname relative to the current directory. ../
    * cannot be used in this pathname, nor can absolute paths be used.
    */
 
@@ -208,7 +208,7 @@ static int get_filename(char *vfilename, char *filename,
         {
           return -1;
         }
- 
+
       if (fl - vl + strlen(val) >= fnsize)
         {
           return -1;
@@ -403,7 +403,7 @@ static void do_config(FILE *instream, char *vfilename, char *filename,
    * strftime library call. g_sizefmt Determines the formatting to be used
    * when displaying the size of a file.  Valid choices are bytes, for a
    * formatted byte count (formatted as 1,234,567), or abbrev for an
-   * abbreviated version displaying the number of kilobytes or megabytes the 
+   * abbreviated version displaying the number of kilobytes or megabytes the
    * file occupies.
    */
 
@@ -495,7 +495,7 @@ static void do_include(FILE *instream, char *vfilename, char *filename,
   (void)fclose(instream2);
 }
 
-static void do_echo(FILE *instream, char *vfilename, char *filename, 
+static void do_echo(FILE *instream, char *vfilename, char *filename,
                      char *directive, char *tag, char *val)
 {
   char *cp;
diff --git a/apps/netutils/thttpd/config.h b/apps/netutils/thttpd/config.h
index e7bbb5ad9..56690adda 100644
--- a/apps/netutils/thttpd/config.h
+++ b/apps/netutils/thttpd/config.h
@@ -232,7 +232,7 @@
  * about tildes. Enabling both options is an error.
  *
  * Typical values, if they're defined, are "users" for CONFIG_THTTPD_TILDE_MAP1 and "public_html"
- * for CONFIG_THTTPD_TILDE_MAP2. 
+ * for CONFIG_THTTPD_TILDE_MAP2.
  */
 
 #  if defined(CONFIG_THTTPD_TILDE_MAP1) && defined(CONFIG_THTTPD_TILDE_MAP2)
diff --git a/apps/netutils/thttpd/fdwatch.c b/apps/netutils/thttpd/fdwatch.c
index 50ea65e78..8a578b40c 100644
--- a/apps/netutils/thttpd/fdwatch.c
+++ b/apps/netutils/thttpd/fdwatch.c
@@ -107,7 +107,7 @@
 static void fdwatch_dump(const char *msg, FAR struct fdwatch_s *fw)
 {
   int i;
- 
+
   fwvdbg("%s\n", msg);
   fwvdbg("nwatched: %d nfds: %d\n", fw->nwatched, fw->nfds);
   for (i = 0; i < fw->nwatched; i++)
diff --git a/apps/netutils/thttpd/libhttpd.c b/apps/netutils/thttpd/libhttpd.c
index f147125d5..2b4b9767c 100644
--- a/apps/netutils/thttpd/libhttpd.c
+++ b/apps/netutils/thttpd/libhttpd.c
@@ -532,7 +532,7 @@ static void send_authenticate(httpd_conn *hc, char *realm)
   (void)snprintf(header, maxheader, "%s%s\"\r\n", headstr, realm);
   httpd_send_err(hc, 401, err401title, header, err401form, hc->encodedurl);
 
-  /* If the request was a POST then there might still be data to be read, so 
+  /* If the request was a POST then there might still be data to be read, so
    * we need to do a lingering close.
    */
 
@@ -1046,8 +1046,8 @@ static int vhost_map(httpd_conn *hc)
     {
       /* Skip dots in the hostname.  If we don't, then we get vhost
        * directories in higher level of filestructure if dot gets involved
-       * into path construction.  It's `while' used here instead of `if' for 
-       * it's possible to have a hostname formed with two dots at the end of 
+       * into path construction.  It's `while' used here instead of `if' for
+       * it's possible to have a hostname formed with two dots at the end of
        * it.
        */
 
@@ -1146,9 +1146,9 @@ static char *expand_filename(char *path, char **restP, bool tildemapped)
   if ((path[0] == '/' && strncmp(path, httpd_root, strlen(httpd_root)) != 0) || path[0] != '/')
     {
       /* Start out with httpd_root in checked.  Allow space in the reallocation
-       * include NULL terminator and possibly a '/' 
+       * include NULL terminator and possibly a '/'
        */
- 
+
       checkedlen = strlen(httpd_root);
       httpd_realloc_str(&checked, &maxchecked, checkedlen+2);
       strcpy(checked, httpd_root);
@@ -1175,7 +1175,7 @@ static char *expand_filename(char *path, char **restP, bool tildemapped)
       httpd_realloc_str(&checked, &maxchecked, 1);
       checked[0] = '\0';
       checkedlen = 0;
-    }       
+    }
 
   /* Copy the whole filename (minus the leading '.') into rest. */
 
@@ -1725,7 +1725,7 @@ static void ls_child(int argc, char **argv)
           break;
         }
 
-      /* Now the world permissions.  Owner and group permissions are 
+      /* Now the world permissions.  Owner and group permissions are
        * not of interest to web clients.
        */
 
@@ -2531,7 +2531,7 @@ int httpd_got_request(httpd_conn *hc)
               break;
             }
           break;
- 
+
        case CHST_LF:
           switch (c)
             {
@@ -2994,7 +2994,7 @@ int httpd_parse_request(httpd_conn *hc)
         }
     }
 
-  /* Ok, the request has been parsed.  Now we resolve stuff that may require 
+  /* Ok, the request has been parsed.  Now we resolve stuff that may require
    * the entire request.
    */
 
@@ -3169,7 +3169,7 @@ int httpd_start_request(httpd_conn *hc, struct timeval *nowP)
     }
 
   /* Is it world-readable or world-executable? We check explicitly instead
-   * of just trying to open it, so that no one ever gets surprised by a file 
+   * of just trying to open it, so that no one ever gets surprised by a file
    * that's not set world-readable and yet somehow is readable by the HTTP
    * server and therefore the *whole* world.
    */
@@ -3374,7 +3374,7 @@ int httpd_start_request(httpd_conn *hc, struct timeval *nowP)
     }
 #endif
 
-  /* It's not CGI.  If it's executable or there's pathinfo, someone's trying 
+  /* It's not CGI.  If it's executable or there's pathinfo, someone's trying
    * to either serve or run a non-CGI file as CGI.  Either case is
    * prohibited.
    */
diff --git a/apps/netutils/thttpd/thttpd.c b/apps/netutils/thttpd/thttpd.c
index 57fe43514..6f082fc23 100644
--- a/apps/netutils/thttpd/thttpd.c
+++ b/apps/netutils/thttpd/thttpd.c
@@ -173,7 +173,7 @@ static int handle_newconnect(struct timeval *tv, int listen_fd)
   struct connect_s *conn;
   ClientData client_data;
 
-  /* This loops until the accept() fails, trying to start new connections as 
+  /* This loops until the accept() fails, trying to start new connections as
    * fast as possible so we don't overrun the listen queue.
    */
 
@@ -183,7 +183,7 @@ static int handle_newconnect(struct timeval *tv, int listen_fd)
       /* Get the next free connection from the free list */
 
       conn = free_connections;
-      
+
       /* Are there any free connections? */
 
       if (!conn)
@@ -234,7 +234,7 @@ static int handle_newconnect(struct timeval *tv, int listen_fd)
         }
 
       nvdbg("New connection fd %d\n", conn->hc->conn_fd);
- 
+
       /* Remove the connection entry from the free list */
 
       conn->conn_state        = CNST_READING;
@@ -246,7 +246,7 @@ static int handle_newconnect(struct timeval *tv, int listen_fd)
       conn->wakeup_timer      = NULL;
       conn->linger_timer      = NULL;
       conn->offset            = 0;
- 
+
       /* Set the connection file descriptor to no-delay mode */
 
       httpd_set_ndelay(conn->hc->conn_fd);
@@ -294,7 +294,7 @@ static void handle_read(struct connect_s *conn, struct timeval *tv)
         {
           return;
         }
- 
+
       ndbg("read(fd=%d) failed: %d\n", hc->conn_fd, errno);
       BADREQUEST("read");
       goto errout_with_400;
@@ -448,7 +448,7 @@ static void handle_send(struct connect_s *conn, struct timeval *tv)
           /* httpd_write does not return until all bytes have been sent
            * (or an error occurs).
            */
- 
+
           nwritten = httpd_write(hc->conn_fd, hc->buffer, hc->buflen);
           if (nwritten < 0)
             {
@@ -488,8 +488,8 @@ static void handle_linger(struct connect_s *conn, struct timeval *tv)
   httpd_conn *hc = conn->hc;
   int ret;
 
-    /* In lingering-close mode we just read and ignore bytes.  An error or EOF 
-   * ends things, otherwise we go until a timeout 
+    /* In lingering-close mode we just read and ignore bytes.  An error or EOF
+   * ends things, otherwise we go until a timeout
    */
 
   ret = read(conn->hc->conn_fd, hc->buffer, CONFIG_THTTPD_IOBUFFERSIZE);
@@ -533,7 +533,7 @@ static void clear_connection(struct connect_s *conn, struct timeval *tv)
    * this unless it's necessary, because it ties up a connection slot and
    * file descriptor which means our maximum connection-handling rateis
    * lower.  So, elsewhere we set a flag when we detect the few
-   * circumstances that make a lingering close necessary.  If the flag isn't 
+   * circumstances that make a lingering close necessary.  If the flag isn't
    * set we do the real close now.
    */
 
@@ -790,7 +790,7 @@ int thttpd_main(int argc, char **argv)
         {
           if (!handle_newconnect(&tv, hs->listen_fd))
             {
-              /* Go around the loop and do another fdwatch, rather than 
+              /* Go around the loop and do another fdwatch, rather than
                * dropping through and processing existing connections.  New
                * connections always get priority.
                */
@@ -820,7 +820,7 @@ int thttpd_main(int argc, char **argv)
                            */
 
                           if (conn->conn_state != CNST_SENDING)
-                            { 
+                            {
                               break;
                             }
                         }
diff --git a/apps/netutils/thttpd/thttpd_cgi.c b/apps/netutils/thttpd/thttpd_cgi.c
index 9e63b25b4..1c931bb22 100644
--- a/apps/netutils/thttpd/thttpd_cgi.c
+++ b/apps/netutils/thttpd/thttpd_cgi.c
@@ -530,7 +530,7 @@ static inline int cgi_interpose_output(struct cgi_conn_s *cc)
               return 1;
             }
 
-          /* Figure out the status.  Look for a Status: or Location: header; else if 
+          /* Figure out the status.  Look for a Status: or Location: header; else if
            * there's an HTTP header line, get it from there; else default to 200.
            */
 
@@ -811,7 +811,7 @@ static int cgi_child(int argc, char **argv)
 
           cc->rdfd = pipefd[0];
           close(pipefd[1]);
- 
+
           if (ret < 0)
             {
               nlldbg("STDOUT dup2: %d\n", errno);
diff --git a/apps/netutils/thttpd/timers.c b/apps/netutils/thttpd/timers.c
index dc94306b0..cd97cb3f8 100644
--- a/apps/netutils/thttpd/timers.c
+++ b/apps/netutils/thttpd/timers.c
@@ -293,7 +293,7 @@ void tmr_run(struct timeval *now)
         {
           next = tmr->next;
 
-          /* Since the lists are sorted, as soon as we find a timer  * that isn'tmr 
+          /* Since the lists are sorted, as soon as we find a timer  * that isn'tmr
            * ready yet, we can go on to the next list
            */
 
diff --git a/apps/netutils/uiplib/Makefile b/apps/netutils/uiplib/Makefile
index 4d33255a5..76daf985e 100644
--- a/apps/netutils/uiplib/Makefile
+++ b/apps/netutils/uiplib/Makefile
@@ -82,7 +82,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/uiplib/uip_parsehttpurl.c b/apps/netutils/uiplib/uip_parsehttpurl.c
index da973b46f..fbb2a9046 100644
--- a/apps/netutils/uiplib/uip_parsehttpurl.c
+++ b/apps/netutils/uiplib/uip_parsehttpurl.c
@@ -112,7 +112,7 @@ int uip_parsehttpurl(const char *url, uint16_t *port,
         {
           uint16_t accum = 0;
           src++; /* Skip over the colon */
- 
+
           while (*src >= '0' && *src <= '9')
             {
               accum = 10*accum + *src - '0';
@@ -141,7 +141,7 @@ int uip_parsehttpurl(const char *url, uint16_t *port,
   bytesleft--;
 
   /* The copy the rest of the file name to the user buffer */
- 
+
   strncpy(dest, src, namelen);
   filename[namelen-1] = '\0';
   return ret;
diff --git a/apps/netutils/uiplib/uip_server.c b/apps/netutils/uiplib/uip_server.c
index 16be6f42f..b3e1759ab 100644
--- a/apps/netutils/uiplib/uip_server.c
+++ b/apps/netutils/uiplib/uip_server.c
@@ -104,7 +104,7 @@ void uip_server(uint16_t portno, pthread_startroutine_t handler, int stacksize)
   for (;;)
     {
       /* Accept the next connectin */
- 
+
       addrlen = sizeof(struct sockaddr_in);
       acceptsd = accept(listensd, (struct sockaddr*)&myaddr, &addrlen);
       if (acceptsd < 0)
diff --git a/apps/netutils/webclient/Makefile b/apps/netutils/webclient/Makefile
index d0b43621d..aacbe0dc3 100644
--- a/apps/netutils/webclient/Makefile
+++ b/apps/netutils/webclient/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # Web client library
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_TCP),y)
 CSRCS		= webclient.c
@@ -66,7 +66,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/webserver/Kconfig b/apps/netutils/webserver/Kconfig
index b011f94a2..d984427a3 100644
--- a/apps/netutils/webserver/Kconfig
+++ b/apps/netutils/webserver/Kconfig
@@ -20,7 +20,7 @@ config NETUTILS_HTTPD_SINGLECONNECT
 	default y if DISABLE_PTHREAD
 	---help---
 		By default, the uIP web server will create a new, independent thread
-		for each connection.  This can, however, use a lot of stack space 
+		for each connection.  This can, however, use a lot of stack space
 		if there are many connections and that can be a problem is RAM is
 		limited.  If this option is selected, then a single thread will
 		service all HTTP requests and, in this case, only a single connection
diff --git a/apps/netutils/webserver/Makefile b/apps/netutils/webserver/Makefile
index 1f3936f6e..06b528006 100644
--- a/apps/netutils/webserver/Makefile
+++ b/apps/netutils/webserver/Makefile
@@ -40,7 +40,7 @@ include $(APPDIR)/Make.defs
 # Web server library
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_TCP),y)
 CSRCS		= httpd.c httpd_cgi.c
@@ -73,7 +73,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/webserver/httpd_cgi.c b/apps/netutils/webserver/httpd_cgi.c
index fa11f12ec..96e2eb0bd 100644
--- a/apps/netutils/webserver/httpd_cgi.c
+++ b/apps/netutils/webserver/httpd_cgi.c
@@ -60,7 +60,7 @@ struct httpd_cgi_call *cgi_calls = NULL;
 
 void httpd_cgi_register(struct httpd_cgi_call *cgi_call)
 {
-  if (cgi_calls == NULL) 
+  if (cgi_calls == NULL)
     {
       cgi_calls = cgi_call;
     }
diff --git a/apps/netutils/webserver/httpd_mmap.c b/apps/netutils/webserver/httpd_mmap.c
index 042c9932f..c5033d866 100644
--- a/apps/netutils/webserver/httpd_mmap.c
+++ b/apps/netutils/webserver/httpd_mmap.c
@@ -89,13 +89,13 @@ int httpd_mmap_open(const char *name, struct httpd_fs_file *file)
        return ERROR;
     }
 
-  if (S_ISDIR(st.st_mode)) 
+  if (S_ISDIR(st.st_mode))
     {
        errno = EISDIR;
        return ERROR;
     }
 
-  if (!S_ISREG(st.st_mode)) 
+  if (!S_ISREG(st.st_mode))
     {
        errno = ENOENT;
        return ERROR;
diff --git a/apps/netutils/xmlrpc/Makefile b/apps/netutils/xmlrpc/Makefile
index 7bc404b47..a00436511 100644
--- a/apps/netutils/xmlrpc/Makefile
+++ b/apps/netutils/xmlrpc/Makefile
@@ -41,7 +41,7 @@
 include $(APPDIR)/Make.defs
 
 ASRCS		=
-CSRCS		= 
+CSRCS		=
 
 ifeq ($(CONFIG_NET_TCP),y)
 CSRCS		+= xmlparser.c response.c
@@ -67,7 +67,7 @@ ROOTDEPPATH	= --dep-path .
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context depend clean distclean
diff --git a/apps/netutils/xmlrpc/response.c b/apps/netutils/xmlrpc/response.c
index 2ae7414a7..2bbe74cf1 100644
--- a/apps/netutils/xmlrpc/response.c
+++ b/apps/netutils/xmlrpc/response.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * apps/netutils/xmlrpc/response.c
- * 
+ *
  *   Copyright (C) 2012 Max Holtzberg. All rights reserved.
  *   Author: Max Holtzberg <mh@uvc.de>
  *
@@ -9,34 +9,34 @@
  *    an-embeddable-lightweight-xml-rpc-server/184405364
  *
  *  Copyright (c) 2002 Cogito LLC.  All rights reserved.
- * 
- *  Redistribution and use in source and binary forms, with or 
- *  without modification, is hereby granted without fee provided 
+ *
+ *  Redistribution and use in source and binary forms, with or
+ *  without modification, is hereby granted without fee provided
  *  that the following conditions are met:
- * 
- *    1.  Redistributions of source code must retain the above 
- *        copyright notice, this list of conditions and the 
+ *
+ *    1.  Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the
  *        following disclaimer.
  *    2.  Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the 
- *        following disclaimer in the documentation and/or other 
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer in the documentation and/or other
  *        materials provided with the distribution.
- *    3.  Neither the name of Cogito LLC nor the names of its 
- *        contributors may be used to endorse or promote products 
- *        derived from this software without specific prior 
+ *    3.  Neither the name of Cogito LLC nor the names of its
+ *        contributors may be used to endorse or promote products
+ *        derived from this software without specific prior
  *        written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY COGITO LLC AND CONTRIBUTERS 'AS IS' 
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
- * TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A 
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL COGITO LLC 
- * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- * SPECIAL, EXEMPLARAY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ *
+ * THIS SOFTWARE IS PROVIDED BY COGITO LLC AND CONTRIBUTERS 'AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL COGITO LLC
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARAY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  ****************************************************************************/
 
diff --git a/apps/netutils/xmlrpc/xmlparser.c b/apps/netutils/xmlrpc/xmlparser.c
index 72387a08e..98ce3a903 100644
--- a/apps/netutils/xmlrpc/xmlparser.c
+++ b/apps/netutils/xmlrpc/xmlparser.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * apps/netutils/xmlrpc/xmlparser.c
- * 
+ *
  *   Copyright (C) 2012 Max Holtzberg. All rights reserved.
  *   Author: Max Holtzberg <mh@uvc.de>
  *
@@ -9,34 +9,34 @@
  *    an-embeddable-lightweight-xml-rpc-server/184405364
  *
  *  Copyright (c) 2002 Cogito LLC.  All rights reserved.
- * 
- *  Redistribution and use in source and binary forms, with or 
- *  without modification, is hereby granted without fee provided 
+ *
+ *  Redistribution and use in source and binary forms, with or
+ *  without modification, is hereby granted without fee provided
  *  that the following conditions are met:
- * 
- *    1.  Redistributions of source code must retain the above 
- *        copyright notice, this list of conditions and the 
+ *
+ *    1.  Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the
  *        following disclaimer.
  *    2.  Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the 
- *        following disclaimer in the documentation and/or other 
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer in the documentation and/or other
  *        materials provided with the distribution.
- *    3.  Neither the name of Cogito LLC nor the names of its 
- *        contributors may be used to endorse or promote products 
- *        derived from this software without specific prior 
+ *    3.  Neither the name of Cogito LLC nor the names of its
+ *        contributors may be used to endorse or promote products
+ *        derived from this software without specific prior
  *        written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY COGITO LLC AND CONTRIBUTERS 'AS IS' 
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
- * TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A 
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL COGITO LLC 
- * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- * SPECIAL, EXEMPLARAY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ *
+ * THIS SOFTWARE IS PROVIDED BY COGITO LLC AND CONTRIBUTERS 'AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL COGITO LLC
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARAY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  ****************************************************************************/