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/**************************************************************************************************
$Header: /pub/cvsroot/yencode/lib/getoptstr.c,v 1.2 2002/03/10 16:22:19 bboy Exp $
Copyright (C) 2002 Don Moore <bboy@bboy.net>
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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
**************************************************************************************************/
#include "misc.h"
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
GETOPTSTR
Given a list of long opts, constructs the opt string automatically, since I always forget to
update it.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
char *
getoptstr(struct option const longopts[])
{
char *optstr, *c;
register int n, opts;
// Count number of options
for (opts = 0; longopts[opts].name; opts++)
;
// Allocate optstr
optstr = (char *)xmalloc(((opts * 3) + 1) * sizeof(char));
memset(optstr, 0, (opts * 3) + 1);
// Build optstr
for (c = optstr, n = 0; n < opts; n++)
{
if (longopts[n].val)
{
*c++ = longopts[n].val;
if (longopts[n].has_arg == required_argument)
*c++ = ':';
else if (longopts[n].has_arg == optional_argument)
{
*c++ = ':';
*c++ = ':';
}
}
}
return (optstr);
}
/*--- getoptstr() -------------------------------------------------------------------------------*/
/* vi:set ts=3: */
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