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77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/* MI Command Set - MI Option Parser.
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Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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Contributed by Cygnus Solutions (a Red Hat company).
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "mi-getopt.h"
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#include "gdb_string.h"
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int
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mi_getopt (const char *prefix,
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int argc, char **argv,
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struct mi_opt *opts,
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int *optind, char **optarg)
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{
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char *arg;
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struct mi_opt *opt;
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/* We assume that argv/argc are ok. */
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if (*optind > argc || *optind < 0)
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internal_error (__FILE__, __LINE__,
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"mi_getopt_long: optind out of bounds");
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if (*optind == argc)
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return -1;
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arg = argv[*optind];
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/* ``--''? */
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if (strcmp (arg, "--") == 0)
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{
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*optind += 1;
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*optarg = NULL;
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return -1;
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}
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/* End of option list. */
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if (arg[0] != '-')
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{
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*optarg = NULL;
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return -1;
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}
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/* Look the option up. */
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for (opt = opts; opt->name != NULL; opt++)
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{
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if (strcmp (opt->name, arg + 1) != 0)
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continue;
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if (opt->arg_p)
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{
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/* A non-simple optarg option. */
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if (argc < *optind + 2)
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error ("%s: Option %s requires an argument", prefix, arg);
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*optarg = argv[(*optind) + 1];
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*optind = (*optind) + 2;
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return opt->index;
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}
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else
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{
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*optarg = NULL;
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*optind = (*optind) + 1;
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return opt->index;
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}
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}
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error ("%s: Unknown option ``%s''", prefix, arg + 1);
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}
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