summaryrefslogtreecommitdiff
path: root/pop3d/top.c
blob: 73d6a272d65e395eb94d303cf41853a9b9545abb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 1999, 2000, 2001, 2005, 2007, 2010 Free Software
   Foundation, Inc.

   GNU Mailutils is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   GNU Mailutils 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>. */

#include "pop3d.h"

/* Prints the header of a message plus a specified number of lines.  */

int
pop3d_top (char *arg)
{
  size_t mesgno;
  unsigned long lines;
  mu_message_t msg;
  mu_attribute_t attr;
  mu_header_t hdr;
  mu_body_t body;
  mu_stream_t stream;
  char *mesgc, *linesc, *p;
  
  if (strlen (arg) == 0)
    return ERR_BAD_ARGS;

  if (state != TRANSACTION)
    return ERR_WRONG_STATE;

  pop3d_parse_command (arg, &mesgc, &linesc);
  if (linesc[0] == 0)
    return ERR_BAD_ARGS;
  
  mesgno = strtoul (mesgc, &p, 10);
  if (*p)
    return ERR_BAD_ARGS;
  lines = strtoul (linesc, &p, 10);
  if (*p)
    return ERR_BAD_ARGS;

  if (mu_mailbox_get_message (mbox, mesgno, &msg) != 0)
    return ERR_NO_MESG;

  mu_message_get_attribute (msg, &attr);
  if (pop3d_is_deleted (attr))
    return ERR_MESG_DELE;
  pop3d_mark_retr (attr);
  
  /* Header.  */
  mu_message_get_header (msg, &hdr);
  if (mu_header_get_streamref (hdr, &stream))
    return ERR_UNKNOWN;
  pop3d_outf ("+OK\n");

  mu_stream_copy (ostream, stream, 0);
  pop3d_outf ("\n");
  mu_stream_destroy (&stream);
  
  mu_message_get_body (msg, &body);
  if (mu_body_get_streamref (body, &stream) == 0)
    {
      char *buf = NULL;
      size_t size = 0, n;
      for (; lines > 0 &&
	     mu_stream_getline (stream, &buf, &size, &n) == 0 &&
	     n > 0; lines--)
	{
	  if (buf[0] == '.')
	    pop3d_outf (".");
	  pop3d_outf ("%s", buf);
	}
      mu_stream_destroy (&stream);
      free (buf);
    }

  pop3d_outf (".\n");

  return OK;
}

Return to:

Send suggestions and report system problems to the System administrator.