top.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2001, 2005, 2007, 2010-2012, 2014 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, struct pop3d_session *sess)
{
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 hstream, bstream;
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, &hstream))
return ERR_UNKNOWN;
mu_message_get_body (msg, &body);
if (mu_body_get_streamref (body, &bstream))
{
mu_stream_unref (hstream);
return ERR_UNKNOWN;
}
pop3d_outf ("+OK\n");
pop3d_send_payload (hstream, bstream, lines);
mu_stream_unref (hstream);
mu_stream_unref (bstream);
return OK;
}