1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is the Netscape Portable Runtime (NSPR).
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998-2000
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either the GNU General Public License Version 2 or later (the "GPL"), or
26 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
28 : * of those above. If you wish to allow use of your version of this file only
29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #include <stdio.h>
39 : #include <stdlib.h>
40 :
41 : #if defined(XP_UNIX) || defined(XP_OS2) || defined(XP_BEOS)
42 : #include <sys/time.h>
43 : #elif defined(_WIN32)
44 : #include <windows.h>
45 : #else
46 : #error "Architecture not supported"
47 : #endif
48 :
49 :
50 6 : int main(int argc, char **argv)
51 : {
52 : #if defined(OMIT_LIB_BUILD_TIME)
53 : /*
54 : * Some platforms don't have any 64-bit integer type
55 : * such as 'long long'. Because we can't use NSPR's
56 : * PR_snprintf in this program, it is difficult to
57 : * print a static initializer for PRInt64 (a struct).
58 : * So we print nothing. The makefiles that build the
59 : * shared libraries will detect the empty output string
60 : * of this program and omit the library build time
61 : * in PRVersionDescription.
62 : */
63 : #elif defined(XP_UNIX) || defined(XP_OS2) || defined(XP_BEOS)
64 : long long now;
65 : struct timeval tv;
66 : #ifdef HAVE_SVID_GETTOD
67 : gettimeofday(&tv);
68 : #else
69 6 : gettimeofday(&tv, NULL);
70 : #endif
71 6 : now = ((1000000LL) * tv.tv_sec) + (long long)tv.tv_usec;
72 : #if defined(OSF1)
73 : fprintf(stdout, "%ld", now);
74 : #elif defined(BEOS) && defined(__POWERPC__)
75 : fprintf(stdout, "%Ld", now); /* Metroworks on BeOS PPC */
76 : #else
77 6 : fprintf(stdout, "%lld", now);
78 : #endif
79 :
80 : #elif defined(_WIN32)
81 : __int64 now;
82 : FILETIME ft;
83 : GetSystemTimeAsFileTime(&ft);
84 : CopyMemory(&now, &ft, sizeof(now));
85 : /*
86 : * 116444736000000000 is the number of 100-nanosecond intervals
87 : * between Jan. 1, 1601 and Jan. 1, 1970.
88 : */
89 : #ifdef __GNUC__
90 : now = (now - 116444736000000000LL) / 10LL;
91 : fprintf(stdout, "%lld", now);
92 : #else
93 : now = (now - 116444736000000000i64) / 10i64;
94 : fprintf(stdout, "%I64d", now);
95 : #endif
96 :
97 : #else
98 : #error "Architecture not supported"
99 : #endif
100 :
101 6 : return 0;
102 : } /* main */
103 :
104 : /* now.c */
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