1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/* -*- c-basic-offset: 2 -*- */
/*
Copyright(C) 2009-2016 Brazil
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
*/
#include "grn_time.h"
#include "grn_ctx.h"
#include "grn_str.h"
#include <stdio.h>
#include <time.h>
#if defined(HAVE__LOCALTIME64_S) && defined(__GNUC__)
# ifdef _WIN64
# define localtime_s(tm, time) _localtime64_s(tm, time)
# else /* _WIN64 */
# define localtime_s(tm, time) _localtime32_s(tm, time)
# endif /* _WIN64 */
#endif /* defined(HAVE__LOCALTIME64_S) && defined(__GNUC__) */
/* fixme by 2038 */
grn_rc
grn_timeval_now(grn_ctx *ctx, grn_timeval *tv)
{
#ifdef HAVE_CLOCK_GETTIME
struct timespec t;
if (clock_gettime(CLOCK_REALTIME, &t)) {
SERR("clock_gettime");
} else {
tv->tv_sec = t.tv_sec;
tv->tv_nsec = t.tv_nsec;
}
return ctx->rc;
#else /* HAVE_CLOCK_GETTIME */
# ifdef WIN32
time_t t;
struct _timeb tb;
time(&t);
_ftime(&tb);
tv->tv_sec = t;
tv->tv_nsec = tb.millitm * (GRN_TIME_NSEC_PER_SEC / 1000);
return GRN_SUCCESS;
# else /* WIN32 */
struct timeval t;
if (gettimeofday(&t, NULL)) {
SERR("gettimeofday");
} else {
tv->tv_sec = t.tv_sec;
tv->tv_nsec = GRN_TIME_USEC_TO_NSEC(t.tv_usec);
}
return ctx->rc;
# endif /* WIN32 */
#endif /* HAVE_CLOCK_GETTIME */
}
void
grn_time_now(grn_ctx *ctx, grn_obj *obj)
{
grn_timeval tv;
grn_timeval_now(ctx, &tv);
GRN_TIME_SET(ctx, obj, GRN_TIME_PACK(tv.tv_sec,
GRN_TIME_NSEC_TO_USEC(tv.tv_nsec)));
}
static grn_bool
grn_time_t_to_tm(grn_ctx *ctx, const time_t time, struct tm *tm)
{
grn_bool success;
const char *function_name;
#ifdef HAVE__LOCALTIME64_S
function_name = "localtime_s";
success = (localtime_s(tm, &time) == 0);
#else /* HAVE__LOCALTIME64_S */
# ifdef HAVE_LOCALTIME_R
function_name = "localtime_r";
success = (localtime_r(&time, tm) != NULL);
# else /* HAVE_LOCALTIME_R */
function_name = "localtime";
{
struct tm *local_tm;
local_tm = localtime(&time);
if (local_tm) {
success = GRN_TRUE;
memcpy(tm, local_tm, sizeof(struct tm));
} else {
success = GRN_FALSE;
}
}
# endif /* HAVE_LOCALTIME_R */
#endif /* HAVE__LOCALTIME64_S */
if (!success) {
SERR("%s: failed to convert time_t to struct tm: <%" GRN_FMT_INT64D ">",
function_name,
(int64_t)time);
}
return success;
}
struct tm *
grn_timeval2tm(grn_ctx *ctx, grn_timeval *tv, struct tm *tm)
{
if (grn_time_t_to_tm(ctx, tv->tv_sec, tm)) {
return tm;
} else {
return NULL;
}
}
grn_bool
grn_time_to_tm(grn_ctx *ctx, int64_t time, struct tm *tm)
{
int64_t sec;
int32_t usec;
GRN_TIME_UNPACK(time, sec, usec);
return grn_time_t_to_tm(ctx, sec, tm);
}
static grn_bool
grn_time_t_from_tm(grn_ctx *ctx, time_t *time, struct tm *tm)
{
grn_bool success;
tm->tm_yday = -1;
*time = mktime(tm);
success = (tm->tm_yday != -1);
if (!success) {
ERR(GRN_INVALID_ARGUMENT,
"mktime: failed to convert struct tm to time_t: "
"<%04d-%02d-%02dT%02d:%02d:%02d>(%d)",
1900 + tm->tm_year,
tm->tm_mon + 1,
tm->tm_mday,
tm->tm_hour,
tm->tm_min,
tm->tm_sec,
tm->tm_isdst);
}
return success;
}
grn_bool
grn_time_from_tm(grn_ctx *ctx, int64_t *time, struct tm *tm)
{
time_t sec_time_t;
int64_t sec;
int32_t usec = 0;
if (!grn_time_t_from_tm(ctx, &sec_time_t, tm)) {
return GRN_FALSE;
}
sec = sec_time_t;
*time = GRN_TIME_PACK(sec, usec);
return GRN_TRUE;
}
grn_rc
grn_timeval2str(grn_ctx *ctx, grn_timeval *tv, char *buf, size_t buf_size)
{
struct tm tm;
struct tm *ltm;
ltm = grn_timeval2tm(ctx, tv, &tm);
grn_snprintf(buf, buf_size, GRN_TIMEVAL_STR_SIZE,
GRN_TIMEVAL_STR_FORMAT,
ltm->tm_year + 1900, ltm->tm_mon + 1, ltm->tm_mday,
ltm->tm_hour, ltm->tm_min, ltm->tm_sec,
(int)(GRN_TIME_NSEC_TO_USEC(tv->tv_nsec)));
if (buf_size > GRN_TIMEVAL_STR_SIZE) {
buf[GRN_TIMEVAL_STR_SIZE - 1] = '\0';
} else {
buf[buf_size - 1] = '\0';
}
return ctx->rc;
}
grn_rc
grn_str2timeval(const char *str, uint32_t str_len, grn_timeval *tv)
{
struct tm tm;
const char *r1, *r2, *rend = str + str_len;
uint32_t uv;
memset(&tm, 0, sizeof(struct tm));
tm.tm_year = (int)grn_atoui(str, rend, &r1) - 1900;
if ((r1 + 1) >= rend || (*r1 != '/' && *r1 != '-')) {
return GRN_INVALID_ARGUMENT;
}
r1++;
tm.tm_mon = (int)grn_atoui(r1, rend, &r1) - 1;
if ((r1 + 1) >= rend || (*r1 != '/' && *r1 != '-') ||
tm.tm_mon < 0 || tm.tm_mon >= 12) { return GRN_INVALID_ARGUMENT; }
r1++;
tm.tm_mday = (int)grn_atoui(r1, rend, &r1);
if ((r1 + 1) >= rend || *r1 != ' ' ||
tm.tm_mday < 1 || tm.tm_mday > 31) { return GRN_INVALID_ARGUMENT; }
tm.tm_hour = (int)grn_atoui(++r1, rend, &r2);
if ((r2 + 1) >= rend || r1 == r2 || *r2 != ':' ||
tm.tm_hour < 0 || tm.tm_hour >= 24) {
return GRN_INVALID_ARGUMENT;
}
r1 = r2 + 1;
tm.tm_min = (int)grn_atoui(r1, rend, &r2);
if ((r2 + 1) >= rend || r1 == r2 || *r2 != ':' ||
tm.tm_min < 0 || tm.tm_min >= 60) {
return GRN_INVALID_ARGUMENT;
}
r1 = r2 + 1;
tm.tm_sec = (int)grn_atoui(r1, rend, &r2);
if (r1 == r2 ||
tm.tm_sec < 0 || tm.tm_sec > 61 /* leap 2sec */) {
return GRN_INVALID_ARGUMENT;
}
r1 = r2;
tm.tm_yday = -1;
tm.tm_isdst = -1;
/* tm_yday is set appropriately (0-365) on successful completion. */
tv->tv_sec = mktime(&tm);
if (tm.tm_yday == -1) { return GRN_INVALID_ARGUMENT; }
if ((r1 + 1) < rend && *r1 == '.') { r1++; }
uv = grn_atoi(r1, rend, &r2);
while (r2 < r1 + 6) {
uv *= 10;
r2++;
}
if (uv >= GRN_TIME_USEC_PER_SEC) { return GRN_INVALID_ARGUMENT; }
tv->tv_nsec = GRN_TIME_USEC_TO_NSEC(uv);
return GRN_SUCCESS;
}
|
