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/* MI Command Set - MI Option Parser.
Copyright (C) 2000, 2001, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Contributed by Cygnus Solutions (a Red Hat company).
This file is part of GDB.
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 3 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, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "mi-getopt.h"
#include "gdb_string.h"
int
mi_getopt (const char *prefix,
int argc, char **argv,
const struct mi_opt *opts,
int *optind, char **optarg)
{
char *arg;
const struct mi_opt *opt;
/* We assume that argv/argc are ok. */
if (*optind > argc || *optind < 0)
internal_error (__FILE__, __LINE__,
_("mi_getopt_long: optind out of bounds"));
if (*optind == argc)
return -1;
arg = argv[*optind];
/* ``--''? */
if (strcmp (arg, "--") == 0)
{
*optind += 1;
*optarg = NULL;
return -1;
}
/* End of option list. */
if (arg[0] != '-')
{
*optarg = NULL;
return -1;
}
/* Look the option up. */
for (opt = opts; opt->name != NULL; opt++)
{
if (strcmp (opt->name, arg + 1) != 0)
continue;
if (opt->arg_p)
{
/* A non-simple optarg option. */
if (argc < *optind + 2)
error (_("%s: Option %s requires an argument"), prefix, arg);
*optarg = argv[(*optind) + 1];
*optind = (*optind) + 2;
return opt->index;
}
else
{
*optarg = NULL;
*optind = (*optind) + 1;
return opt->index;
}
}
error (_("%s: Unknown option ``%s''"), prefix, arg + 1);
}
int
mi_valid_noargs (const char *prefix, int argc, char **argv)
{
int optind = 0;
char *optarg;
static const struct mi_opt opts[] =
{
{ 0, 0, 0 }
};
if (mi_getopt (prefix, argc, argv, opts, &optind, &optarg) == -1)
return 1;
else
return 0;
}
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