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/* MI Command Set - MI Option Parser.
Copyright 2000, 2001 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 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 "defs.h"
#include "mi-getopt.h"
#include "gdb_string.h"
int
mi_getopt (const char *prefix,
int argc, char **argv,
struct mi_opt *opts,
int *optind, char **optarg)
{
char *arg;
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 struct mi_opt opts[] =
{
0
};
if (mi_getopt (prefix, argc, argv, opts, &optind, &optarg) == -1)
return 1;
else
return 0;
}
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