/* MI Command Set - MI Option Parser.
- Copyright (C) 2000-2001, 2007-2012 Free Software Foundation, Inc.
+ Copyright (C) 2000-2015 Free Software Foundation, Inc.
Contributed by Cygnus Solutions (a Red Hat company).
This file is part of GDB.
#include "defs.h"
#include "mi-getopt.h"
-#include "gdb_string.h"
+/* See comments about mi_getopt and mi_getopt_silent in mi-getopt.h.
+ When there is an unknown option, if ERROR_ON_UNKNOWN is true,
+ throw an error, otherwise return -1. */
-int
-mi_getopt (const char *prefix,
- int argc, char **argv,
- const struct mi_opt *opts,
- int *oind, char **oarg)
+static int
+mi_getopt_1 (const char *prefix, int argc, char **argv,
+ const struct mi_opt *opts, int *oind, char **oarg,
+ int error_on_unknown)
{
char *arg;
const struct mi_opt *opt;
- /* We assume that argv/argc are ok. */
+ /* We assume that argv/argc are ok. */
if (*oind > argc || *oind < 0)
internal_error (__FILE__, __LINE__,
_("mi_getopt_long: oind out of bounds"));
*oarg = NULL;
return -1;
}
- /* End of option list. */
+ /* End of option list. */
if (arg[0] != '-')
{
*oarg = NULL;
return -1;
}
- /* Look the option up. */
+ /* 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 oarg option. */
+ /* A non-simple oarg option. */
if (argc < *oind + 2)
error (_("%s: Option %s requires an argument"), prefix, arg);
*oarg = argv[(*oind) + 1];
return opt->index;
}
}
- error (_("%s: Unknown option ``%s''"), prefix, arg + 1);
+
+ if (error_on_unknown)
+ error (_("%s: Unknown option ``%s''"), prefix, arg + 1);
+ else
+ return -1;
+}
+
+int
+mi_getopt (const char *prefix,
+ int argc, char **argv,
+ const struct mi_opt *opts,
+ int *oind, char **oarg)
+{
+ return mi_getopt_1 (prefix, argc, argv, opts, oind, oarg, 1);
+}
+
+int
+mi_getopt_allow_unknown (const char *prefix, int argc, char **argv,
+ const struct mi_opt *opts, int *oind, char **oarg)
+{
+ return mi_getopt_1 (prefix, argc, argv, opts, oind, oarg, 0);
}
int
int oind = 0;
char *oarg;
static const struct mi_opt opts[] =
- {
- { 0, 0, 0 }
- };
+ {
+ { 0, 0, 0 }
+ };
if (mi_getopt (prefix, argc, argv, opts, &oind, &oarg) == -1)
return 1;