Fix more FTP bugs

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3671 42af7a65-404d-4744-a932-0658087f49c3

examples/ftpc/ftpc_cmds.c

@@ -372,7 +372,7 @@ int cmd_rput(SESSION handle, int argc, char **argv)
       optind++;
     }
 
-  if (optind >= argc)
+  if (optind != argc)
     {
       printf("%s: Too many arguments\n ");
       return ERROR;

netutils/ftpc/ftpc_getfile.c

@@ -181,7 +181,6 @@ static int ftpc_recvbinary(FAR struct ftpc_session_s *session,
   ssize_t nread;
   ssize_t nwritten;
   int err;
-  int ret = OK;
 
   /* Allocate an I/O buffer */
 
@@ -199,16 +198,20 @@ static int ftpc_recvbinary(FAR struct ftpc_session_s *session,
       nread = fread(buf, sizeof(char), CONFIG_FTP_BUFSIZE, rinstream);
       if (nread <= 0)
         {
-          /* nread == 0 means end of file */
+          /* nread < 0 is an error */
 
           if (nread < 0)
             {
               /* errno should already be set by fread */
 
               (void)ftpc_xfrabort(session, rinstream);
-              ret = ERROR;
+              goto errout_with_buf;
             }
-          break;
+
+          /* nread == 0 means end of file. Return success */
+
+          free(buf);
+          return OK;
         }
 
       /* Write the data to the file */
@@ -217,19 +220,24 @@ static int ftpc_recvbinary(FAR struct ftpc_session_s *session,
       if (nwritten != nread)
         {
           (void)ftpc_xfrabort(session, loutstream);
-          ret = ERROR;
-          break;
+
+          /* If nwritten < 0 errno should already be set by fwrite.
+           * What would a short write mean?
+           */
+
+          goto errout_with_buf;
         }
 
-      session->size += nread;
+      /* Increment the size of the file written */
+ 
+      session->size += nwritten;
     }
 
+errout_with_buf: /* Buffer allocated, errno already set */
   free(buf);
-  return ret;
+  return ERROR;
 
-errout_with_buf:
-  free(buf);
-errout_with_err:
+errout_with_err: /* Buffer not allocated, errno needs to be set */
   set_errno(err);
   return ERROR;
 }

netutils/ftpc/ftpc_putfile.c

@@ -422,7 +422,7 @@ int ftp_putfile(SESSION handle, const char *lname, const char *rname,
   /* Open the local file for reading */
 
   finstream = fopen(abslpath, "r");
-  if (!finstream == 0)
+  if (!finstream)
     {
       ndbg("fopen() failed: %d\n", errno);
       goto errout_with_abspath;

netutils/ftpc/ftpc_transfer.c

@@ -44,6 +44,7 @@
 #include <unistd.h>
 #include <string.h>
 #include <signal.h>
+#include <poll.h>
 #include <ctype.h>
 #include <errno.h>
 #include <assert.h>