static int ftpc_recvbinary(FAR struct ftpc_session_s *session,
FAR FILE *rinstream, FAR FILE *loutstream)
{
ssize_t nread;
ssize_t nwritten;
/* Loop until the entire file is received */
for (;;)
{
/* Read the data from the socket */
nread = fread(session->buffer, sizeof(char), CONFIG_FTP_BUFSIZE, rinstream);
if (nread <= 0)
{
/* nread < 0 is an error */
if (nread < 0)
{
/* errno should already be set by fread */
(void)ftpc_xfrabort(session, rinstream);
return ERROR;
}
/* nread == 0 means end of file. Return success */
return OK;
}
/* Write the data to the file */
nwritten = fwrite(session->buffer, sizeof(char), nread, loutstream);
if (nwritten != nread)
{
(void)ftpc_xfrabort(session, loutstream);
/* If nwritten < 0 errno should already be set by fwrite.
* What would a short write mean?
*/
return ERROR;
}
/* Increment the size of the file written */
session->size += nwritten;
}
}
int ftpc_recvtext(FAR struct ftpc_session_s *session,
FAR FILE *rinstream, FAR FILE *loutstream)
{
int ch;
/* Read the next character from the incoming data stream */
while ((ch = fgetc(rinstream)) != EOF)
{
/* Is it a carriage return? Compress \r\n to \n */
if (ch == '\r')
{
/* Get the next character */
ch = fgetc(rinstream);
if (ch == EOF)
{
/* Ooops... */
(void)ftpc_xfrabort(session, rinstream);
return ERROR;
}
/* If its not a newline, then keep the carriage return */
if (ch != '\n')
{
ungetc(ch, rinstream);
ch = '\r';
}
}
/* Then write the character to the output file */
if (fputc(ch, loutstream) == EOF)
{
(void)ftpc_xfrabort(session, loutstream);
return ERROR;
}
/* Increase the actual size of the file by one */
session->size++;
}
return OK;
}
static int ftpc_sendbinary(FAR struct ftpc_session_s *session,
FAR FILE *linstream, FILE *routstream)
{
ssize_t nread;
ssize_t nwritten;
/* Loop until the entire file is sent */
for (;;)
{
/* Read data from the file */
nread = fread(session->buffer, sizeof(char), CONFIG_FTP_BUFSIZE, linstream);
if (nread <= 0)
{
/* nread == 0 is just EOF */
if (nread < 0)
{
(void)ftpc_xfrabort(session, linstream);
return ERROR;
}
/* Return success */
return OK;
}
/* Send the data */
nwritten = fwrite(session->buffer, sizeof(char), nread, routstream);
if (nwritten != nread)
{
(void)ftpc_xfrabort(session, routstream);
/* Return failue */
return ERROR;
}
/* Increment the size of the file sent */
session->size += nread;
}
}
static int ftpc_sendtext(FAR struct ftpc_session_s *session,
FAR FILE *linstream, FAR FILE *routstream)
{
int ch;
int ret = OK;
/* Write characters one at a time. */
while ((ch = fgetc(linstream)) != EOF)
{
/* If it is a newline, send a carriage return too */
if (ch == '\n')
{
if (fputc('\r', routstream) == EOF)
{
(void)ftpc_xfrabort(session, routstream);
ret = ERROR;
break;
}
/* Increment the size of the file sent */
session->size++;
}
/* Send the character */
if (fputc(ch, routstream) == EOF)
{
(void)ftpc_xfrabort(session, routstream);
ret = ERROR;
break;
}
/* Increment the size of the file sent */
session->size++;
}
return ret;
}
