usr/src/cmd/bart/main.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27
  28 #include <signal.h>
  29 #include <unistd.h>
  30 #include <locale.h>
  31 #include <sys/acl.h>
  32 #include "bart.h"
  33
  34 int
  35 main(int argc, char **argv)
  36 {
  37         /* Make sure we are in the correct locale */
  38         (void) setlocale(LC_ALL, "");
  39         (void) textdomain(TEXT_DOMAIN);
  40
  41         /* Superficial check of the arguments.  Note usage() exits the pgm */
  42         if (argc < 2)
  43                 usage();
  44
  45         /*
  46          * OK, hand it off to bart_create() or bart_compare().
  47          *
  48          * Since the command line was 'bart create ..',  or 'bart compare ..',
  49          * those subcommands should start parsing options at &argv[1], and
  50          *  (argc-1) to be consistent.
  51          */
  52         if (strcmp(argv[1], "create") == 0)
  53                 return (bart_create((argc-1), (argv+1)));
  54         else if (strcmp(argv[1], "compare") == 0) {
  55                 return (bart_compare((argc-1), (argv+1)));
  56
  57         } else usage();
  58
  59         return (FATAL_EXIT);
  60 }
  61 void
  62 usage()
  63 {
  64         (void) fprintf(stderr, USAGE_MSG);
  65         exit(FATAL_EXIT);
  66 }
  67 void *
  68 safe_calloc(size_t size)
  69 {
  70         char    *ptr;
  71
  72         ptr = calloc((size_t)1, size);
  73         if (ptr == NULL)
  74                 exit(FATAL_EXIT);
  75         else return (ptr);
  76
  77         /* NOTREACHED */
  78 }