list.c
1.4 KB
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999 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"
/*
* l[ist]
* *
*/
int
mail_list (int argc, char **argv)
{
int i = 0, pos = 0, columns = 80, len = 0;
char *cmd;
char *col = getenv ("COLUMNS");
if (col)
columns = strtol (col, NULL, 10);
for (i=0; mail_command_table[i].shortname != 0; i++)
{
len = strlen (mail_command_table[i].longname);
if (len < 1)
{
cmd = mail_command_table[i].shortname;
len = strlen (cmd);
}
else
cmd = mail_command_table[i].longname;
pos += len + 1;
if (pos >= columns)
{
pos = 0;
printf ("\n");
}
printf ("%s ", cmd);
}
printf ("\n");
return 0;
}