main.c revision 98766 
1/*
2 * FreeBSD install - a package for the installation and maintainance
3 * of non-core utilities.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * Jeremy D. Lea.
15 * 11 May 2002
16 *
17 * This is the version module. Based on pkg_version.pl by Bruce A. Mah.
18 *
19 */
20
21#include <sys/cdefs.h>
22__FBSDID("$FreeBSD: head/usr.sbin/pkg_install/version/main.c 98766 2002-06-24 16:03:24Z markm $");
23
24#include "lib.h"
25#include "version.h"
26#include <err.h>
27
28static char Options[] = "dhl:L:s:tv";
29
30char	*LimitChars = NULL;
31char	*PreventChars = NULL;
32char	*MatchName = NULL;
33
34static void usage __P((void));
35
36int
37main(int argc, char **argv)
38{
39    int ch, cmp = 0;
40
41    if (argc == 4 && !strcmp(argv[1], "-t")) {
42	cmp = version_cmp(argv[2], argv[3]);
43	printf(cmp > 0 ? ">\n" : (cmp < 0 ? "<\n" : "=\n"));
44	exit(0);
45    }
46    else while ((ch = getopt(argc, argv, Options)) != -1) {
47	switch(ch) {
48	case 'v':
49	    Verbose = TRUE;
50	    break;
51
52	case 'l':
53	    LimitChars = optarg;
54	    break;
55
56	case 'L':
57	    PreventChars = optarg;
58	    break;
59
60	case 's':
61	    MatchName = optarg;
62	    break;
63
64	case 't':
65	    errx(2, "Invalid -t usage.");
66	    break;
67
68	case 'h':
69	case '?':
70	default:
71	    usage();
72	    break;
73	}
74    }
75
76    argc -= optind;
77    argv += optind;
78
79    return pkg_perform(argv);
80}
81
82static void
83usage()
84{
85    fprintf(stderr, "%s\n%s\n",
86	"usage: pkg_version [-hv] [-l limchar] [-L limchar] [-s string] index",
87	"       pkg_version -t v1 v2");
88    exit(1);
89}
90