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1 | /* Copyright (C) 1994-2016 Free Software Foundation, Inc. | |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, see | |
16 | <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <errno.h> | |
19 | #include <time.h> | |
20 | #include <sys/timeb.h> | |
21 | ||
22 | int | |
23 | ftime (struct timeb *timebuf) | |
24 | { | |
25 | int save = errno; | |
26 | struct tm tp; | |
27 | ||
28 | __set_errno (0); | |
29 | if (time (&timebuf->time) == (time_t) -1 && errno != 0) | |
30 | return -1; | |
31 | timebuf->millitm = 0; | |
32 | ||
33 | if (__localtime_r (&timebuf->time, &tp) == NULL) | |
34 | return -1; | |
35 | ||
36 | timebuf->timezone = tp.tm_gmtoff / 60; | |
37 | timebuf->dstflag = tp.tm_isdst; | |
38 | ||
39 | __set_errno (save); | |
40 | return 0; | |
41 | } |