main.c revision 201226 
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 201226 2009-12-29 22:33:53Z ed $");
23
24
25#include <getopt.h>
26#include <err.h>
27
28#include "lib.h"
29#include "version.h"
30
31char	*LimitChars = NULL;
32char	*PreventChars = NULL;
33char	*MatchName = NULL;
34char	*LookUpOrigin = NULL;
35Boolean RegexExtended = FALSE;
36Boolean UseINDEXOnly = FALSE;
37Boolean ShowOrigin = FALSE;
38
39static void usage(void);
40
41static char opts[] = "dIhl:L:qs:XtTO:ov";
42static struct option longopts[] = {
43	{ "extended",	no_argument,		NULL,		'X' },
44	{ "help",	no_argument,		NULL,		'h' },
45	{ "match",	required_argument,	NULL,		's' },
46	{ "no-status",	required_argument,	NULL,		'L' },
47	{ "origin",	required_argument,	NULL,		'O' },
48	{ "quiet",	no_argument,		NULL,		'q' },
49	{ "show-origin",no_argument,		NULL,		'o' },
50	{ "status",	required_argument,	NULL,		'l' },
51	{ "index-only",	no_argument,		NULL,		'I' },
52	{ "verbose",	no_argument,		NULL,		'v' },
53	{ NULL,		0,			NULL,		0 }
54};
55
56int
57main(int argc, char **argv)
58{
59    int ch, cmp = 0;
60
61    if (argc == 4 && !strcmp(argv[1], "-t")) {
62	cmp = version_cmp(argv[2], argv[3]);
63	printf(cmp > 0 ? ">\n" : (cmp < 0 ? "<\n" : "=\n"));
64	exit(0);
65    }
66    else if (argc == 4 && !strcmp(argv[1], "-T")) {
67	cmp = version_match(argv[3], argv[2]);
68	exit(cmp == 1 ? 0 : 1);
69    }
70    else while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
71	switch(ch) {
72	case 'v':
73	    Verbose++;
74	    break;
75
76	case 'I':
77	    UseINDEXOnly = TRUE;
78	    break;
79
80	case 'l':
81	    LimitChars = optarg;
82	    break;
83
84	case 'L':
85	    PreventChars = optarg;
86	    break;
87
88	case 'q':
89	    Quiet = TRUE;
90	    break;
91
92	case 's':
93	    MatchName = optarg;
94	    break;
95
96	case 'O':
97	    LookUpOrigin = optarg;
98	    break;
99
100	case 'o':
101	    ShowOrigin = TRUE;
102	    break;
103
104	case 't':
105	    errx(2, "Invalid -t usage.");
106	    break;
107
108	case 'T':
109	    errx(2, "Invalid -T usage.");
110	    break;
111
112	case 'X':
113	    RegexExtended = TRUE;
114	    break;
115
116	case 'h':
117	default:
118	    usage();
119	    break;
120	}
121    }
122
123    argc -= optind;
124    argv += optind;
125
126    return pkg_perform(argv);
127}
128
129static void
130usage(void)
131{
132    fprintf(stderr, "%s\n%s\n%s\n",
133	"usage: pkg_version [-hIoqv] [-l limchar] [-L limchar] [[-X] -s string] [-O origin] [index]",
134	"       pkg_version -t v1 v2",
135	"       pkg_version -T name pattern");
136    exit(1);
137}
138