xref: /dragonfly/contrib/cvs-1.12/src/version.c (revision 0bb9290e)
1 /*
2  * Copyright (C) 1986-2005 The Free Software Foundation, Inc.
3  *
4  * Portions Copyright (C) 1998-2005 Derek Price, Ximbiot <http://ximbiot.com>,
5  *                                  and others.
6  *
7  * Portions Copyright (C) 1994 david d `zoo' zuhn
8  * Portions Copyright (C) 1992, Brian Berliner and Jeff Polk
9  * Portions Copyright (C) 1989-1992, Brian Berliner
10  *
11  * You may distribute under the terms of the GNU General Public License as
12  * specified in the README file that comes with this  CVS source distribution.
13  *
14  * version.c - the CVS version number
15  */
16 
17 #include "cvs.h"
18 
19 #ifdef CLIENT_SUPPORT
20 #ifdef SERVER_SUPPORT
21 char *config_string = " (client/server)\n";
22 #else
23 char *config_string = " (client)\n";
24 #endif
25 #else
26 #ifdef SERVER_SUPPORT
27 char *config_string = " (server)\n";
28 #else
29 char *config_string = "\n";
30 #endif
31 #endif
32 
33 
34 
35 static const char *const version_usage[] =
36 {
37     "Usage: %s %s\n",
38     NULL
39 };
40 
41 
42 
43 /*
44  * Output a version string for the client and server.
45  *
46  * This function will output the simple version number (for the '--version'
47  * option) or the version numbers of the client and server (using the 'version'
48  * command).
49  */
50 int
51 version (int argc, char **argv)
52 {
53     int err = 0;
54 
55     if (argc == -1)
56 	usage (version_usage);
57 
58     if (current_parsed_root && current_parsed_root->isremote)
59         (void) fputs ("Client: ", stdout);
60 
61     /* Having the year here is a good idea, so people have
62        some idea of how long ago their version of CVS was
63        released.  */
64     (void) fputs (PACKAGE_STRING, stdout);
65     (void) fputs (config_string, stdout);
66 
67 #ifdef CLIENT_SUPPORT
68     if (current_parsed_root && current_parsed_root->isremote)
69     {
70 	(void) fputs ("Server: ", stdout);
71 	start_server ();
72 	if (supported_request ("version"))
73 	    send_to_server ("version\012", 0);
74 	else
75 	{
76 	    send_to_server ("noop\012", 0);
77 	    fputs ("(unknown)\n", stdout);
78 	}
79 	err = get_responses_and_close ();
80     }
81 #endif
82     return err;
83 }
84 
85