1 /*
2 * PostRR - src/base.c
3 * Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
28 /*
29 * The base PostRR components.
30 */
32 #include "postrr.h"
34 #include <stdio.h>
35 #include <string.h>
37 #include <postgres.h>
38 #include <pg_config.h>
39 #include <fmgr.h>
41 #ifdef PG_MODULE_MAGIC
42 PG_MODULE_MAGIC;
43 #endif
45 /*
46 * prototypes for PostgreSQL functions
47 */
49 PG_FUNCTION_INFO_V1(postrr_version);
51 /*
52 * public API
53 */
55 Datum
56 postrr_version(PG_FUNCTION_ARGS)
57 {
58 char version[1024];
59 char *result;
61 if (PG_NARGS() != 0)
62 ereport(NOTICE, (errmsg("PostRR_Version() "
63 "does not accept any arguments")));
65 snprintf(version, sizeof(version),
66 "PostgreSQL Round-Robin Extension, version %s\n"
67 "Built against PostgreSQL version "PG_VERSION,
68 POSTRR_VERSION_STRING POSTRR_VERSION_EXTRA);
69 version[sizeof(version) - 1] = '\0';
71 result = pstrdup(version);
72 PG_RETURN_CSTRING(result);
73 } /* postrr_version */
75 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */