top.c
1.49 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2001, 2005, 2007, 2010-2012, 2014-2016 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 "mail.h"
/*
* to[p] [msglist]
*/
static int
top0 (msgset_t *mspec, mu_message_t msg, void *data)
{
mu_stream_t stream;
char *buf = NULL;
size_t size = 0, n;
int lines;
if (mailvar_get (&lines, "toplines", mailvar_type_number, 1)
|| lines < 0)
return 1;
mu_message_get_streamref (msg, &stream);
for (; lines > 0; lines--)
{
int status = mu_stream_getline (stream, &buf, &size, &n);
if (status != 0 || n == 0)
break;
mu_printf ("%s", buf);
}
free (buf);
mu_stream_destroy (&stream);
set_cursor (mspec->msg_part[0]);
util_mark_read (msg);
return 0;
}
int
mail_top (int argc, char **argv)
{
return util_foreach_msg (argc, argv, MSG_NODELETED, top0, NULL);
}