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[/] [or1k/] [trunk/] [gdb-5.3/] [gdb/] [mi/] [mi-getopt.c] - Rev 1775
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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); }
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