xref: /openbsd/gnu/usr.bin/cvs/src/version.c (revision 17df1aa7)
1 /*
2  * Copyright (c) 1994 david d `zoo' zuhn
3  * Copyright (c) 1994 Free Software Foundation, Inc.
4  * Copyright (c) 1992, Brian Berliner and Jeff Polk
5  * Copyright (c) 1989-1992, Brian Berliner
6  *
7  * You may distribute under the terms of the GNU General Public License as
8  * specified in the README file that comes with this  CVS source distribution.
9  *
10  * version.c - the CVS version number
11  */
12 
13 #include "cvs.h"
14 
15 char *version_string = "Concurrent Versions System (CVS) 1.11.1p1";
16 
17 #ifdef CLIENT_SUPPORT
18 #ifdef SERVER_SUPPORT
19 char *config_string = " (client/server)\n";
20 #else
21 char *config_string = " (client)\n";
22 #endif
23 #else
24 #ifdef SERVER_SUPPORT
25 char *config_string = " (server)\n";
26 #else
27 char *config_string = "\n";
28 #endif
29 #endif
30 
31 
32 
33 static const char *const version_usage[] =
34 {
35     "Usage: %s %s\n",
36     NULL
37 };
38 
39 
40 
41 /*
42  * Output a version string for the client and server.
43  *
44  * This function will output the simple version number (for the '--version'
45  * option) or the version numbers of the client and server (using the 'version'
46  * command).
47  */
48 int
49 version (argc, argv)
50     int argc;
51     char **argv;
52 {
53     int err = 0;
54 
55     if (argc == -1)
56 	usage (version_usage);
57 
58 #ifdef CLIENT_SUPPORT
59     if (current_parsed_root && current_parsed_root->isremote)
60         (void) fputs ("Client: ", stdout);
61 #endif
62 
63     /* Having the year here is a good idea, so people have
64        some idea of how long ago their version of CVS was
65        released.  */
66     (void) fputs (version_string, stdout);
67     (void) fputs (config_string, stdout);
68 
69 #ifdef CLIENT_SUPPORT
70     if (current_parsed_root && current_parsed_root->isremote)
71     {
72 	(void) fputs ("Server: ", stdout);
73 	start_server ();
74 	if (supported_request ("version"))
75 	    send_to_server ("version\012", 0);
76 	else
77 	{
78 	    send_to_server ("noop\012", 0);
79 	    fputs ("(unknown)\n", stdout);
80 	}
81 	err = get_responses_and_close ();
82     }
83 #endif
84     return err;
85 }
86 
87