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6796bc80 | 1 | #ifndef _TIME_H |
05b68e14 ZW |
2 | #include <time/time.h> |
3 | ||
4 | #ifndef _ISOMAC | |
4973abcb | 5 | # include <bits/types/struct_timeval.h> |
f0be25b6 | 6 | # include <bits/types/locale_t.h> |
20aa5819 PE |
7 | # include <stdbool.h> |
8 | # include <time/mktime-internal.h> | |
464cd3a9 | 9 | # include <endian.h> |
bdbf022d | 10 | |
da4cfe38 | 11 | extern __typeof (strftime_l) __strftime_l; |
ee2a5ae8 | 12 | libc_hidden_proto (__strftime_l) |
da4cfe38 RM |
13 | extern __typeof (strptime_l) __strptime_l; |
14 | ||
c5598d47 RM |
15 | libc_hidden_proto (time) |
16 | libc_hidden_proto (asctime) | |
17 | libc_hidden_proto (mktime) | |
18 | libc_hidden_proto (timelocal) | |
19 | libc_hidden_proto (localtime) | |
20 | libc_hidden_proto (strftime) | |
21 | libc_hidden_proto (strptime) | |
22 | ||
6e6249d0 | 23 | extern __typeof (clock_gettime) __clock_gettime; |
89fb6835 | 24 | libc_hidden_proto (__clock_gettime) |
6e6249d0 | 25 | extern __typeof (clock_settime) __clock_settime; |
7b5af2d8 | 26 | libc_hidden_proto (__clock_settime) |
a9564ae9 | 27 | |
bdbf022d UD |
28 | /* Now define the internal interfaces. */ |
29 | struct tm; | |
30 | ||
8632b240 | 31 | /* Defined in mktime.c. */ |
ab26a24a | 32 | extern const unsigned short int __mon_yday[2][13] attribute_hidden; |
8632b240 UD |
33 | |
34 | /* Defined in localtime.c. */ | |
418f1701 | 35 | extern struct tm _tmbuf attribute_hidden; |
8632b240 UD |
36 | |
37 | /* Defined in tzset.c. */ | |
b0f56784 | 38 | extern char *__tzstring (const char *string) attribute_hidden; |
8632b240 | 39 | |
418f1701 | 40 | extern int __use_tzfile attribute_hidden; |
8632b240 | 41 | |
fe559c5e | 42 | extern void __tzfile_read (const char *file, size_t extra, |
b0f56784 | 43 | char **extrap) attribute_hidden; |
d51f99ce | 44 | extern void __tzfile_compute (__time64_t timer, int use_localtime, |
38e68573 | 45 | long int *leap_correct, int *leap_hit, |
b0f56784 | 46 | struct tm *tp) attribute_hidden; |
fe559c5e | 47 | extern void __tzfile_default (const char *std, const char *dst, |
77c7d55e | 48 | int stdoff, int dstoff) |
b0f56784 L |
49 | attribute_hidden; |
50 | extern void __tzset_parse_tz (const char *tz) attribute_hidden; | |
72b8692d | 51 | extern void __tz_compute (__time64_t timer, struct tm *tm, int use_localtime) |
8bcdb7e0 | 52 | __THROW attribute_hidden; |
8632b240 | 53 | |
464cd3a9 LM |
54 | #if __TIMESIZE == 64 |
55 | # define __timespec64 timespec | |
56 | #else | |
57 | /* The glibc Y2038-proof struct __timespec64 structure for a time value. | |
58 | To keep things Posix-ish, we keep the nanoseconds field a 32-bit | |
59 | signed long, but since the Linux field is a 64-bit signed int, we | |
60 | pad our tv_nsec with a 32-bit unnamed bit-field padding. | |
61 | ||
62 | As a general rule the Linux kernel is ignoring upper 32 bits of | |
63 | tv_nsec field. */ | |
64 | struct __timespec64 | |
65 | { | |
66 | __time64_t tv_sec; /* Seconds */ | |
67 | # if BYTE_ORDER == BIG_ENDIAN | |
68 | __int32_t :32; /* Padding */ | |
69 | __int32_t tv_nsec; /* Nanoseconds */ | |
70 | # else | |
71 | __int32_t tv_nsec; /* Nanoseconds */ | |
72 | __int32_t :32; /* Padding */ | |
73 | # endif | |
74 | }; | |
75 | #endif | |
76 | ||
7755e504 AA |
77 | #if __TIMESIZE == 64 |
78 | # define __ctime64 ctime | |
79 | #else | |
80 | extern char *__ctime64 (const __time64_t *__timer) __THROW; | |
20aa5819 | 81 | libc_hidden_proto (__ctime64) |
7755e504 AA |
82 | #endif |
83 | ||
c4c2836a AA |
84 | #if __TIMESIZE == 64 |
85 | # define __ctime64_r ctime_r | |
86 | #else | |
87 | extern char *__ctime64_r (const __time64_t *__restrict __timer, | |
88 | char *__restrict __buf) __THROW; | |
20aa5819 | 89 | libc_hidden_proto (__ctime64_r) |
c4c2836a AA |
90 | #endif |
91 | ||
6e15f3e2 AA |
92 | #if __TIMESIZE == 64 |
93 | # define __localtime64 localtime | |
94 | #else | |
95 | extern struct tm *__localtime64 (const __time64_t *__timer); | |
96 | libc_hidden_proto (__localtime64) | |
97 | #endif | |
98 | ||
a784e502 | 99 | extern struct tm *__localtime_r (const time_t *__timer, |
dff07c4b | 100 | struct tm *__tp) attribute_hidden; |
20aa5819 | 101 | #if __TIMESIZE != 64 |
64c2277d AA |
102 | extern struct tm *__localtime64_r (const __time64_t *__timer, |
103 | struct tm *__tp); | |
104 | libc_hidden_proto (__localtime64_r) | |
20aa5819 PE |
105 | |
106 | extern __time64_t __mktime64 (struct tm *__tp) __THROW; | |
107 | libc_hidden_proto (__mktime64) | |
64c2277d AA |
108 | #endif |
109 | ||
a784e502 | 110 | extern struct tm *__gmtime_r (const time_t *__restrict __timer, |
c19559b0 | 111 | struct tm *__restrict __tp); |
230491f0 | 112 | libc_hidden_proto (__gmtime_r) |
811ba236 | 113 | |
131db8b0 AA |
114 | #if __TIMESIZE == 64 |
115 | # define __gmtime64 gmtime | |
116 | #else | |
117 | extern struct tm *__gmtime64 (const __time64_t *__timer); | |
118 | libc_hidden_proto (__gmtime64) | |
131db8b0 | 119 | |
a1d346ce AA |
120 | extern struct tm *__gmtime64_r (const __time64_t *__restrict __timer, |
121 | struct tm *__restrict __tp); | |
20aa5819 PE |
122 | libc_hidden_proto (__gmtime64_r) |
123 | ||
124 | extern __time64_t __timegm64 (struct tm *__tp) __THROW; | |
125 | libc_hidden_proto (__timegm64) | |
a1d346ce AA |
126 | #endif |
127 | ||
72b8692d | 128 | /* Compute the `struct tm' representation of T, |
bdbf022d UD |
129 | offset OFFSET seconds east of UTC, |
130 | and store year, yday, mon, mday, wday, hour, min, sec into *TP. | |
131 | Return nonzero if successful. */ | |
72b8692d | 132 | extern int __offtime (__time64_t __timer, |
fe559c5e | 133 | long int __offset, |
b0f56784 | 134 | struct tm *__tp) attribute_hidden; |
bdbf022d | 135 | |
b0f56784 L |
136 | extern char *__asctime_r (const struct tm *__tp, char *__buf) |
137 | attribute_hidden; | |
138 | extern void __tzset (void) attribute_hidden; | |
bdbf022d | 139 | |
8632b240 | 140 | /* Prototype for the internal function to get information based on TZ. */ |
72b8692d | 141 | extern struct tm *__tz_convert (__time64_t timer, int use_localtime, |
b0f56784 | 142 | struct tm *tp) attribute_hidden; |
8632b240 | 143 | |
a784e502 | 144 | extern int __nanosleep (const struct timespec *__requested_time, |
c19559b0 | 145 | struct timespec *__remaining); |
fa872e1b | 146 | hidden_proto (__nanosleep) |
b0f56784 L |
147 | extern int __getdate_r (const char *__string, struct tm *__resbufp) |
148 | attribute_hidden; | |
25b3dd49 UD |
149 | |
150 | ||
151 | /* Determine CLK_TCK value. */ | |
b0f56784 | 152 | extern int __getclktck (void) attribute_hidden; |
4165d44d UD |
153 | |
154 | ||
ccadf7b5 | 155 | /* strptime support. */ |
ccadf7b5 | 156 | extern char * __strptime_internal (const char *rp, const char *fmt, |
fa69dc9c | 157 | struct tm *tm, void *statep, |
8bcdb7e0 | 158 | locale_t locparam) attribute_hidden; |
ccadf7b5 | 159 | |
ac253355 AA |
160 | #if __TIMESIZE == 64 |
161 | # define __difftime64 __difftime | |
162 | #else | |
163 | extern double __difftime64 (__time64_t time1, __time64_t time0); | |
164 | libc_hidden_proto (__difftime64) | |
165 | #endif | |
166 | ||
abca9f7f | 167 | extern double __difftime (time_t time1, time_t time0); |
ccadf7b5 UD |
168 | |
169 | ||
4165d44d UD |
170 | /* Use in the clock_* functions. Size of the field representing the |
171 | actual clock ID. */ | |
31341567 | 172 | #define CLOCK_IDFIELD_SIZE 3 |
7735afa2 | 173 | |
20aa5819 PE |
174 | /* Check whether T fits in time_t. */ |
175 | static inline bool | |
176 | in_time_t_range (__time64_t t) | |
177 | { | |
178 | time_t s = t; | |
179 | return s == t; | |
180 | } | |
181 | ||
9c44c6a9 LM |
182 | /* Convert a known valid struct timeval into a struct __timespec64. */ |
183 | static inline struct __timespec64 | |
184 | valid_timeval_to_timespec64 (const struct timeval tv) | |
185 | { | |
186 | struct __timespec64 ts64; | |
187 | ||
188 | ts64.tv_sec = tv.tv_sec; | |
189 | ts64.tv_nsec = tv.tv_usec * 1000; | |
190 | ||
191 | return ts64; | |
192 | } | |
193 | ||
194 | /* Convert a known valid struct timespec into a struct __timespec64. */ | |
195 | static inline struct __timespec64 | |
196 | valid_timespec_to_timespec64 (const struct timespec ts) | |
197 | { | |
198 | struct __timespec64 ts64; | |
199 | ||
200 | ts64.tv_sec = ts.tv_sec; | |
201 | ts64.tv_nsec = ts.tv_nsec; | |
202 | ||
203 | return ts64; | |
204 | } | |
205 | ||
206 | /* Convert a valid and within range of struct timespec, struct | |
207 | __timespec64 into a struct timespec. */ | |
208 | static inline struct timespec | |
209 | valid_timespec64_to_timespec (const struct __timespec64 ts64) | |
210 | { | |
211 | struct timespec ts; | |
212 | ||
213 | ts.tv_sec = (time_t) ts64.tv_sec; | |
214 | ts.tv_nsec = ts64.tv_nsec; | |
215 | ||
216 | return ts; | |
217 | } | |
218 | ||
219 | /* Convert a valid and within range of struct timeval struct | |
220 | __timespec64 into a struct timeval. */ | |
221 | static inline struct timeval | |
222 | valid_timespec64_to_timeval (const struct __timespec64 ts64) | |
223 | { | |
224 | struct timeval tv; | |
225 | ||
226 | tv.tv_sec = (time_t) ts64.tv_sec; | |
227 | tv.tv_usec = ts64.tv_nsec / 1000; | |
228 | ||
229 | return tv; | |
230 | } | |
bdbf022d | 231 | #endif |
6796bc80 | 232 | #endif |