Bug 470455 - test_database_sync_embed_visits.js leaks, r=sdwilsh
[wine-gecko.git] / tools / reorder / rseed.c
blob41a60f62f53531d80e28181396727e7c18571474
1 /* ***** BEGIN LICENSE BLOCK *****
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 * The contents of this file are subject to the Mozilla Public License Version
5 * 1.1 (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 * http://www.mozilla.org/MPL/
9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
12 * License.
14 * The Original Code is ``rseed''
16 * The Initial Developer of the Original Code is Netscape
17 * Communications Corp. Portions created by the Initial Developer are
18 * Copyright (C) 2001 the Initial Developer. All Rights Reserved.
20 * Contributor(s):
21 * Chris Waterson <waterson@netscape.com>
23 * Alternatively, the contents of this file may be used under the terms of
24 * either the GNU General Public License Version 2 or later (the "GPL"), or
25 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
26 * in which case the provisions of the GPL or the LGPL are applicable instead
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35 * ***** END LICENSE BLOCK ***** */
39 A program that reads /dev/random to produce a seed for srand(3).
43 #include <stdio.h>
44 #include <fcntl.h>
46 int
47 main(int argc, char *argv[])
49 int fd, ok, seed = 0;
51 fd = open("/dev/random", O_RDONLY);
52 if (fd < 0) {
53 perror("/dev/random");
54 return 1;
57 ok = read(fd, &seed, sizeof seed);
58 if (ok > 0)
59 printf("%d\n", seed);
60 else
61 perror("/dev/random");
63 close(fd);
64 return 0;