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d436bd52 RK |
1 | /* |
2 | * This file is part of DisOrder | |
3 | * Copyright (C) 2008 Richard Kettlewell | |
4 | * | |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
d436bd52 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
d436bd52 | 8 | * (at your option) any later version. |
e7eb3a27 RK |
9 | * |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
d436bd52 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
d436bd52 RK |
17 | */ |
18 | ||
19 | /** @file lib/dateparse.c | |
20 | * @brief Date parsing | |
21 | */ | |
22 | ||
05b75f8d | 23 | #include "common.h" |
d436bd52 RK |
24 | |
25 | #include <time.h> | |
26 | ||
27 | #include "dateparse.h" | |
28 | #include "log.h" | |
29 | ||
30 | /** @brief Date parsing patterns | |
31 | * | |
32 | * This set of patterns is designed to parse a specific time of a specific day, | |
33 | * since that's what the scheduler needs. Other requirements might need other | |
34 | * pattern lists. | |
35 | */ | |
36 | static const char *const datemsk[] = { | |
37 | /* ISO format */ | |
38 | "%Y-%m-%d %H:%M:%S", | |
cca956b1 RK |
39 | /* Generic time, same day */ |
40 | "%H:%M:%S", | |
41 | "%H:%M", | |
d436bd52 RK |
42 | /* "%Y-%m-%d %H:%M:%S %Z" - no, not sensibly supported anywhere */ |
43 | /* Locale-specific date + time */ | |
44 | "%c", | |
45 | "%Ec", | |
46 | /* Locale-specific time, same day */ | |
47 | "%X", | |
48 | "%EX", | |
d436bd52 RK |
49 | NULL, |
50 | }; | |
51 | ||
52 | /** @brief Convert string to a @c time_t */ | |
53 | time_t dateparse(const char *s) { | |
54 | struct tm t; | |
55 | int rc; | |
56 | ||
57 | switch(rc = xgetdate_r(s, &t, datemsk)) { | |
58 | case 0: | |
59 | return mktime(&t); | |
60 | case 7: | |
61 | fatal(0, "date string '%s' not in a recognized format", s); | |
62 | case 8: | |
63 | fatal(0, "date string '%s' not representable", s); | |
64 | default: | |
65 | fatal(0, "date string '%s' produced unexpected error %d", s, rc); | |
66 | } | |
67 | } | |
68 | ||
69 | /* | |
70 | Local Variables: | |
71 | c-basic-offset:2 | |
72 | comment-column:40 | |
73 | fill-column:79 | |
74 | indent-tabs-mode:nil | |
75 | End: | |
76 | */ |