1 /* $NetBSD: prog_setup.c,v 1.1.1.1 2011/04/13 18:15:37 elric Exp $ */
2
3 /*
4 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include "krb5_locl.h"
37 #include <krb5/getarg.h>
38 #include <err.h>
39
40 KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_std_usage(int code,struct getargs * args,int num_args)41 krb5_std_usage(int code, struct getargs *args, int num_args)
42 {
43 arg_printusage(args, num_args, NULL, "");
44 exit(code);
45 }
46
47 KRB5_LIB_FUNCTION int KRB5_LIB_CALL
krb5_program_setup(krb5_context * context,int argc,char ** argv,struct getargs * args,int num_args,void (KRB5_LIB_CALL * usage)(int,struct getargs *,int))48 krb5_program_setup(krb5_context *context, int argc, char **argv,
49 struct getargs *args, int num_args,
50 void (KRB5_LIB_CALL *usage)(int, struct getargs*, int))
51 {
52 krb5_error_code ret;
53 int optidx = 0;
54
55 if(usage == NULL)
56 usage = krb5_std_usage;
57
58 setprogname(argv[0]);
59 ret = krb5_init_context(context);
60 if (ret)
61 errx (1, "krb5_init_context failed: %d", ret);
62
63 if(getarg(args, num_args, argc, argv, &optidx))
64 (*usage)(1, args, num_args);
65 return optidx;
66 }
67