| /* MI Command Set - MI Option Parser. |
| Copyright (C) 2000, 2001, 2007 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., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, 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, 0, 0 } |
| }; |
| |
| if (mi_getopt (prefix, argc, argv, opts, &optind, &optarg) == -1) |
| return 1; |
| else |
| return 0; |
| } |