Blame view

libproto/pop/pop3_list.c 1.9 KB
Sergey Poznyakoff authored
1
/* GNU Mailutils -- a suite of utilities for electronic mail
2 3
   Copyright (C) 1999, 2000, 2001, 2007, 2009, 2010 Free Software
   Foundation, Inc.
Sergey Poznyakoff authored
4 5 6 7

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
8
   version 3 of the License, or (at your option) any later version.
Sergey Poznyakoff authored
9 10 11 12 13 14 15

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General
16 17
   Public License along with this library.  If not, see
   <http://www.gnu.org/licenses/>. */
Sergey Poznyakoff authored
18 19 20 21 22 23 24 25 26 27 28 29 30 31

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <mailutils/sys/pop3.h>

int
mu_pop3_list (mu_pop3_t pop3, unsigned int msgno, size_t *psize)
{
  int status;
32 33
  unsigned long lv;
  
Sergey Poznyakoff authored
34 35 36 37 38 39 40 41
  if (pop3 == NULL || msgno == 0)
    return EINVAL;
  if (psize == NULL)
    return MU_ERR_OUT_NULL;

  switch (pop3->state)
    {
    case MU_POP3_NO_STATE:
42
      status = mu_pop3_writeline (pop3, "LIST %u\r\n", msgno);
Sergey Poznyakoff authored
43
      MU_POP3_CHECK_ERROR (pop3, status);
44
      MU_POP3_FCLR (pop3, MU_POP3_ACK);
Sergey Poznyakoff authored
45 46 47
      pop3->state = MU_POP3_LIST;

    case MU_POP3_LIST:
48
      status = mu_pop3_response (pop3, NULL);
Sergey Poznyakoff authored
49 50 51 52 53
      MU_POP3_CHECK_EAGAIN (pop3, status);
      MU_POP3_CHECK_OK (pop3);
      pop3->state = MU_POP3_NO_STATE;

      /* Parse the answer.  */
54
      lv = 0;
55 56
      /* FIXME: Error checking */
      sscanf (pop3->ackbuf, "+OK %d %lu", &msgno, &lv);
57
      *psize = lv;
Sergey Poznyakoff authored
58 59 60 61 62 63 64 65 66 67 68 69 70
      break;

      /* They must deal with the error first by reopening.  */
    case MU_POP3_ERROR:
      status = ECANCELED;
      break;

    default:
      status = EINPROGRESS;
    }

  return status;
}