getopt.c
2.19 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010-2012, 2014-2017 Free Software Foundation, Inc.
GNU Mailutils 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 3, or (at your option)
any later version.
GNU Mailutils 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <mailutils/mailutils.h>
#include <mailutils/nls.h>
static void
describe (struct mu_parseopt *po, struct mu_option *opt, char const *unused)
{
int len = strcspn (po->po_prog_doc, "\n");
mu_printf ("%.*s\n", len, po->po_prog_doc);
exit (0);
}
struct mu_option common_options[] = {
{ "describe", 0, NULL, MU_OPTION_HIDDEN,
"describe the program",
mu_c_string, NULL, describe },
MU_OPTION_END
};
void
mu_action_getopt (int *pargc, char ***pargv, struct mu_option *opt,
char const *docstring, char const *argdoc)
{
static struct mu_parseopt pohint = {
.po_flags = MU_PARSEOPT_PACKAGE_NAME
| MU_PARSEOPT_PACKAGE_URL
| MU_PARSEOPT_BUG_ADDRESS
| MU_PARSEOPT_VERSION_HOOK,
.po_package_name = PACKAGE_NAME,
.po_package_url = PACKAGE_URL,
.po_bug_address = PACKAGE_BUGREPORT,
.po_version_hook = mu_version_hook
};
static char *defcapa[] = { "debug", NULL };
struct mu_cfg_parse_hints cfhint = { .flags = 0 };
struct mu_option *options[3] = { common_options, opt, NULL };
struct mu_cli_setup cli = {
.prog_doc = (char*) docstring,
.prog_args = (char*) argdoc,
.optv = options
};
char *p;
p = getenv ("MAILUTILS_PROGNAME");
if (p)
{
pohint.po_flags |= MU_PARSEOPT_PROG_NAME;
pohint.po_prog_name = p;
}
MU_APP_INIT_NLS ();
mu_cli_ext (*pargc, *pargv, &cli, &pohint, &cfhint, defcapa, NULL,
pargc, pargv);
}