headers.c
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This program 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 2, or (at your option)
any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "mail.h"
/*
* h[eaders] [msglist] -- GNU extension
*/
/*
* NOTE: check for messages near each other and only print them once
* should probably build a dynamic msglist for this
*/
int
mail_headers (int argc, char **argv)
{
char buf[64];
int low = 1, high = total, *list = NULL, i = 0;
int lines = util_getlines ();
int num = util_expand_msglist (argc, argv, &list);
if (num == 0)
{
list = malloc (sizeof(int));
*list = cursor;
num = 1;
}
lines = (lines / num) - 2;
for (i = 0; i < num; i++)
{
if (lines < total)
{
low = list[i] - (lines / 2);
if (low < 1)
low = 1;
high = low + lines;
if (high > total)
{
high = total;
low = high - lines;
}
}
memset (buf, '\0', 64);
snprintf (buf, 64, "from %d-%d", low, high);
util_do_command (buf);
}
free (list);
return 0;
}