top.c
1.54 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2005,
2007 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA */
#include "mail.h"
/*
* to[p] [msglist]
*/
static int
top0 (msgset_t *mspec, mu_message_t msg, void *data)
{
mu_stream_t stream;
char buf[512];
size_t n;
off_t off;
int lines;
if (util_getenv (&lines, "toplines", Mail_env_number, 1)
|| lines < 0)
return 1;
mu_message_get_stream (msg, &stream);
for (n = 0, off = 0; lines > 0; lines--, off += n)
{
int status = mu_stream_readline (stream, buf, sizeof (buf), off, &n);
if (status != 0 || n == 0)
break;
fprintf (ofile, "%s", buf);
}
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);
}