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