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/*
* This file is part of the Advance project.
*
* Copyright (C) 2001, 2002 Andrea Mazzoleni
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if HAVE_CONFIG_H
#include <config.h>
#endif
#if !HAVE_GETOPT
/* This source is extracted from the DJGPP LIBC library */
#define unconst(var, type) ((type)(var))
/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
#include <string.h>
#include <stdio.h>
int opterr = 1, optind = 1, optopt = 0;
char *optarg = 0;
#define BADCH (int)'?'
#define EMSG ""
int getopt(int nargc, char *const nargv[], const char *ostr)
{
static const char *place = EMSG; /* option letter processing */
char *oli; /* option letter list index */
char *p;
if (!*place)
{
if (optind >= nargc || *(place = nargv[optind]) != '-')
{
place = EMSG;
return(EOF);
}
if (place[1] && *++place == '-')
{
++optind;
place = EMSG;
return(EOF);
}
}
if ((optopt = (int)*place++) == (int)':'
|| !(oli = strchr(ostr, optopt)))
{
/*
* if the user didn't specify '-' as an option,
* assume it means EOF.
*/
if (optopt == (int)'-')
return EOF;
if (!*place)
++optind;
if (opterr)
{
if (!(p = strrchr(*nargv, '/')))
p = *nargv;
else
++p;
fprintf(stderr, "%s: illegal option -- %c\n", p, optopt);
}
return BADCH;
}
if (*++oli != ':')
{ /* don't need argument */
optarg = NULL;
if (!*place)
++optind;
}
else
{ /* need an argument */
if (*place) /* no white space */
optarg = unconst(place, char *);
else if (nargc <= ++optind)
{ /* no arg */
place = EMSG;
if (!(p = strrchr(*nargv, '/')))
p = *nargv;
else
++p;
if (opterr)
fprintf(stderr, "%s: option requires an argument -- %c\n", p, optopt);
return BADCH;
}
else /* white space */
optarg = nargv[optind];
place = EMSG;
++optind;
}
return optopt; /* dump back option letter */
}
#endif
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