1 /*
2 * (C)2012 Michael Duane Rice All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer. Redistributions in binary
10 * form must reproduce the above copyright notice, this list of conditions
11 * and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution. Neither the name of the copyright holders
13 * nor the names of contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /* $Id: isotime_r.c 2365 2013-04-27 15:32:59Z swfltek $ */
30
31 /*
32 Re entrant version of isotime(), which prints the date and time in ISO 8601 format.
33 */
34
35 #include <stdlib.h>
36 #include <time.h>
37
38 extern void __print_lz(int , char *, char );
39
40 void
isotime_r(const struct tm * tmptr,char * buffer)41 isotime_r(const struct tm * tmptr, char *buffer)
42 {
43 int i;
44
45 i = tmptr->tm_year + 1900;
46 __print_lz(i/100, buffer, '-');
47 buffer+=2;
48 __print_lz(i%100, buffer,'-');
49 buffer+=3;
50
51 i = tmptr->tm_mon + 1;
52 __print_lz(i, buffer,'-');
53 buffer+=3;
54
55 i = tmptr->tm_mday;
56 __print_lz(i, buffer,' ');
57 buffer+=3;
58
59 i = tmptr->tm_hour;
60 __print_lz(i, buffer,':');
61 buffer+=3;
62
63 i = tmptr->tm_min;
64 __print_lz(i, buffer,':');
65 buffer+=3;
66
67 i = tmptr->tm_sec;
68 __print_lz(i, buffer,0);
69
70 }
71