@@ -47,7 +47,7 @@ extern void __tzfile_default (const char *std, const char *dst,
long int stdoff, long int dstoff)
attribute_hidden;
extern void __tzset_parse_tz (const char *tz) attribute_hidden;
-extern void __tz_compute (time_t timer, struct tm *tm, int use_localtime)
+extern void __tz_compute (__time64_t timer, struct tm *tm, int use_localtime)
__THROW attribute_hidden;
/* Subroutine of `mktime'. Return the `time_t' representation of TP and
@@ -57,18 +57,44 @@ extern time_t __mktime_internal (struct tm *__tp,
struct tm *(*__func) (const time_t *,
struct tm *),
time_t *__offset) attribute_hidden;
+#if __TIMESIZE == 64
+# define __ctime64 ctime
+# define __ctime64_r ctime_r
+#endif
+
+#if __TIMESIZE == 64
+# define __localtime64 localtime
+#else
+extern struct tm *__localtime64 (const __time64_t *__timer);
+#endif
+
extern struct tm *__localtime_r (const time_t *__timer,
struct tm *__tp) attribute_hidden;
+#if __TIMESIZE == 64
+# define __localtime64_r __localtime_r
+#else
+extern struct tm *__localtime64_r (const __time64_t *__timer,
+ struct tm *__tp) attribute_hidden;
+#endif
+
extern struct tm *__gmtime_r (const time_t *__restrict __timer,
struct tm *__restrict __tp);
libc_hidden_proto (__gmtime_r)
-/* Compute the `struct tm' representation of *T,
+#if __TIMESIZE == 64
+# define __gmtime64 gmtime
+# define __gmtime64_r __gmtime_r
+#else
+extern struct tm *__gmtime64_r (const __time64_t *__restrict __timer,
+ struct tm *__restrict __tp);
+#endif
+
+/* Compute the `struct tm' representation of T,
offset OFFSET seconds east of UTC,
and store year, yday, mon, mday, wday, hour, min, sec into *TP.
Return nonzero if successful. */
-extern int __offtime (const time_t *__timer,
+extern int __offtime (const __time64_t __timer,
long int __offset,
struct tm *__tp) attribute_hidden;
@@ -77,8 +103,8 @@ extern char *__asctime_r (const struct tm *__tp, char *__buf)
extern void __tzset (void) attribute_hidden;
/* Prototype for the internal function to get information based on TZ. */
-extern struct tm *__tz_convert (const time_t *timer, int use_localtime,
- struct tm *tp) attribute_hidden;
+extern struct tm *__tz_convert (const __time64_t timer, int use_localtime,
+ struct tm *tp) attribute_hidden;
extern int __nanosleep (const struct timespec *__requested_time,
struct timespec *__remaining);
@@ -16,13 +16,27 @@
<http://www.gnu.org/licenses/>. */
#include <time.h>
+#include <errno.h>
/* Return a string as returned by asctime which
is the representation of *T in that form. */
+char *
+__ctime64 (const __time64_t *t)
+{
+/* The C Standard says ctime (t) is equivalent to asctime (localtime (t)).
+ In particular, ctime and asctime must yield the same pointer. */
+ return asctime (__localtime64 (t));
+}
+
+/* Provide a 32-bit wrapper if needed */
+
+#if (__TIMESIZE != 64)
+
char *
ctime (const time_t *t)
{
- /* The C Standard says ctime (t) is equivalent to asctime (localtime (t)).
- In particular, ctime and asctime must yield the same pointer. */
- return asctime (localtime (t));
+ __time64_t t64 = *t;
+ return __ctime64 (&t64);
}
+
+#endif
@@ -18,12 +18,26 @@
<http://www.gnu.org/licenses/>. */
#include <time.h>
+#include <errno.h>
/* Return a string as returned by asctime which is the representation
- of *T in that form. Reentrant version. */
+ of *T in that form. */
char *
-ctime_r (const time_t *t, char *buf)
+__ctime64_r (const __time64_t *t, char *buf)
{
struct tm tm;
- return __asctime_r (__localtime_r (t, &tm), buf);
+ return __asctime_r (__localtime64_r (t, &tm), buf);
}
+
+/* Provide a 32-bit wrapper if needed */
+
+#if (__TIMESIZE != 64)
+
+char *
+ctime_r (const time_t *t, char *buf)
+{
+ __time64_t t64 = *t;
+ return __ctime64_r (&t64, buf);
+}
+
+#endif
@@ -17,21 +17,51 @@
<http://www.gnu.org/licenses/>. */
#include <time.h>
+#include <errno.h>
+
+/* Return the `struct tm' representation of 64-bit-time *T
+ in UTC, using *TP to store the result. */
+struct tm *
+__gmtime64_r (const __time64_t *t, struct tm *tp)
+{
+ return __tz_convert (*t, 0, tp);
+}
+
+/* Provide a 32-bit wrapper if needed */
+
+#if (__TIMESIZE != 64)
-/* Return the `struct tm' representation of *T in UTC,
- using *TP to store the result. */
struct tm *
__gmtime_r (const time_t *t, struct tm *tp)
{
- return __tz_convert (t, 0, tp);
+ __time64_t t64 = *t;
+ return __gmtime64_r (&t64, tp);
}
+
+#endif
+
+/* This always works because either __TIMESIZE != 64 and __gmtime_r exists
+ or __TIMESIZE == 64 and the definition of __gmtime64_r above actually
+ defined __gmtime_r. */
libc_hidden_def (__gmtime_r)
weak_alias (__gmtime_r, gmtime_r)
+/* Return the `struct tm' representation of 64-bit-time *T in UTC. */
+struct tm *
+__gmtime64 (const __time64_t *t)
+{
+ return __tz_convert (*t, 0, &_tmbuf);
+}
+
+/* Provide a 32-bit wrapper if needed */
+
+#if (__TIMESIZE != 64)
-/* Return the `struct tm' representation of *T in UTC. */
struct tm *
gmtime (const time_t *t)
{
- return __tz_convert (t, 0, &_tmbuf);
+ __time64_t t64 = *t;
+ return __gmtime64 (&t64);
}
+
+#endif
@@ -17,25 +17,54 @@
<http://www.gnu.org/licenses/>. */
#include <time.h>
+#include <errno.h>
/* The C Standard says that localtime and gmtime return the same pointer. */
struct tm _tmbuf;
-
/* Return the `struct tm' representation of *T in local time,
using *TP to store the result. */
+struct tm *
+__localtime64_r (const __time64_t *t, struct tm *tp)
+{
+ return __tz_convert (*t, 1, tp);
+}
+
+/* Provide a 32-bit wrapper if needed */
+
+#if (__TIMESIZE != 64)
+
struct tm *
__localtime_r (const time_t *t, struct tm *tp)
{
- return __tz_convert (t, 1, tp);
+ __time64_t t64 = *t;
+ return __localtime64_r (&t64, tp);
}
-weak_alias (__localtime_r, localtime_r)
+#endif
+
+/* This always works because either __TIMESIZE != 64 and __localtime_r
+ exists or __TIMESIZE == 64 and the definition of __localtime64_r above
+ actually defined __localtime_r. */
+weak_alias (__localtime_r, localtime_r)
/* Return the `struct tm' representation of *T in local time. */
+struct tm *
+__localtime64 (const __time64_t *t)
+{
+ return __tz_convert (*t, 1, &_tmbuf);
+}
+
+/* Provide a 32-bit wrapper if needed */
+
+#if (__TIMESIZE != 64)
+
struct tm *
localtime (const time_t *t)
{
- return __tz_convert (t, 1, &_tmbuf);
+ __time64_t t64 = *t;
+ return __localtime64 (&t64);
}
libc_hidden_def (localtime)
+
+#endif
@@ -21,18 +21,18 @@
#define SECS_PER_HOUR (60 * 60)
#define SECS_PER_DAY (SECS_PER_HOUR * 24)
-/* Compute the `struct tm' representation of *T,
+/* Compute the `struct tm' representation of T,
offset OFFSET seconds east of UTC,
and store year, yday, mon, mday, wday, hour, min, sec into *TP.
Return nonzero if successful. */
int
-__offtime (const time_t *t, long int offset, struct tm *tp)
+__offtime (const __time64_t t, long int offset, struct tm *tp)
{
- time_t days, rem, y;
+ __time64_t days, rem, y;
const unsigned short int *ip;
- days = *t / SECS_PER_DAY;
- rem = *t % SECS_PER_DAY;
+ days = t / SECS_PER_DAY;
+ rem = t % SECS_PER_DAY;
rem += offset;
while (rem < 0)
{
@@ -60,7 +60,7 @@ __offtime (const time_t *t, long int offset, struct tm *tp)
while (days < 0 || days >= (__isleap (y) ? 366 : 365))
{
/* Guess a corrected year, assuming 365 days per year. */
- time_t yg = y + days / 365 - (days % 365 < 0);
+ __time64_t yg = y + days / 365 - (days % 365 < 0);
/* Adjust DAYS and Y to match the guessed year. */
days -= ((yg - y) * 365
@@ -635,16 +635,10 @@ __tzfile_compute (__time64_t timer, int use_localtime,
/* Convert to broken down structure. If this fails do not
use the string. */
- {
- time_t truncated = timer;
- if (__glibc_unlikely (truncated != timer
- || ! __offtime (&truncated, 0, tp)))
- goto use_last;
- }
-
- /* Use the rules from the TZ string to compute the change.
- timer fits into time_t due to the truncation check
- above. */
+ if (__glibc_unlikely (! __offtime (timer, 0, tp)))
+ goto use_last;
+
+ /* Use the rules from the TZ string to compute the change. */
__tz_compute (timer, tp, 1);
/* If tzspec comes from posixrules loaded by __tzfile_default,
@@ -16,7 +16,6 @@
<http://www.gnu.org/licenses/>. */
#include <ctype.h>
-#include <errno.h>
#include <libc-lock.h>
#include <stdbool.h>
#include <stddef.h>
@@ -27,7 +26,7 @@
#include <timezone/tzfile.h>
-#define SECSPERDAY ((time_t) 86400)
+#define SECSPERDAY ((__time64_t) 86400)
char *__tzname[2] = { (char *) "GMT", (char *) "GMT" };
int __daylight = 0;
@@ -55,7 +54,7 @@ typedef struct
/* We cache the computed time of change for a
given year so we don't have to recompute it. */
- time_t change; /* When to change to this zone. */
+ __time64_t change; /* When to change to this zone. */
int computed_for; /* Year above is computed for. */
} tz_rule;
@@ -416,7 +415,7 @@ tzset_internal (int always)
tz_rules[0].name = tz_rules[1].name = "UTC";
if (J0 != 0)
tz_rules[0].type = tz_rules[1].type = J0;
- tz_rules[0].change = tz_rules[1].change = (time_t) -1;
+ tz_rules[0].change = tz_rules[1].change = -1;
update_vars ();
return;
}
@@ -424,13 +423,13 @@ tzset_internal (int always)
__tzset_parse_tz (tz);
}
-/* Figure out the exact time (as a time_t) in YEAR
+/* Figure out the exact time (as a __time64_t) in YEAR
when the change described by RULE will occur and
put it in RULE->change, saving YEAR in RULE->computed_for. */
static void
compute_change (tz_rule *rule, int year)
{
- time_t t;
+ __time64_t t;
if (year != -1 && rule->computed_for == year)
/* Operations on times in 2 BC will be slower. Oh well. */
@@ -514,9 +513,10 @@ compute_change (tz_rule *rule, int year)
/* Figure out the correct timezone for TM and set `__tzname',
- `__timezone', and `__daylight' accordingly. */
+ `__timezone', and `__daylight' accordingly.
+ NOTE: this takes a __time64_t value, so passing a time_t value is OK. */
void
-__tz_compute (time_t timer, struct tm *tm, int use_localtime)
+__tz_compute (__time64_t timer, struct tm *tm, int use_localtime)
{
compute_change (&tz_rules[0], 1900 + tm->tm_year);
compute_change (&tz_rules[1], 1900 + tm->tm_year);
@@ -562,20 +562,14 @@ __tzset (void)
}
weak_alias (__tzset, tzset)
-/* Return the `struct tm' representation of *TIMER in the local timezone.
+/* Return the `struct tm' representation of TIMER in the local timezone.
Use local time if USE_LOCALTIME is nonzero, UTC otherwise. */
struct tm *
-__tz_convert (const time_t *timer, int use_localtime, struct tm *tp)
+__tz_convert (const __time64_t timer, int use_localtime, struct tm *tp)
{
long int leap_correction;
int leap_extra_secs;
- if (timer == NULL)
- {
- __set_errno (EINVAL);
- return NULL;
- }
-
__libc_lock_lock (tzset_lock);
/* Update internal database according to current TZ setting.
@@ -584,14 +578,14 @@ __tz_convert (const time_t *timer, int use_localtime, struct tm *tp)
tzset_internal (tp == &_tmbuf && use_localtime);
if (__use_tzfile)
- __tzfile_compute (*timer, use_localtime, &leap_correction,
+ __tzfile_compute (timer, use_localtime, &leap_correction,
&leap_extra_secs, tp);
else
{
if (! __offtime (timer, 0, tp))
tp = NULL;
else
- __tz_compute (*timer, tp, use_localtime);
+ __tz_compute (timer, tp, use_localtime);
leap_correction = 0L;
leap_extra_secs = 0;
}