1/*
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26// Support for detecting Mac OS X Versions
27
28#include <math.h>
29#include <stdlib.h>
30#include <stdio.h>
31#import <JavaRuntimeSupport/JavaRuntimeSupport.h>
32
33
34// returns 107 for Lion, 106 for SnowLeopard etc.
35int getOSXMajorVersion() {
36    char *ver = JRSCopyOSVersion();
37    if (ver == NULL) { 
38        return 0;
39    }
40
41    int len = strlen(ver);
42    int v = 0;
43    
44    // Third char must be a '.'    
45    if (len >= 3 && ver[2] == '.') {
46        int i;
47        
48        v = (ver[0] - '0') * 10 + (ver[1] - '0');
49        for (i = 3; i < len && isdigit(ver[i]); ++i) {
50            v = v * 10 + (ver[i] - '0');
51        }
52    }
53
54    free(ver);
55    
56    return v;
57}
58
59BOOL isSnowLeopardOrLower() {
60    return (getOSXMajorVersion() < 107);
61}
62