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time: in strptime(), make %z accept Z as a time zone [BZ #17886]

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In ISO 8601, the timezone can be 'Z' instead of using
digits. 2014-08-17T12:33:12+0000 is often expressed as
2014-08-17T12:33:12Z.
This commit is contained in:
Vincent Bernat 2015-09-17 09:55:04 +02:00 committed by Mike Frysinger
parent 8a44513e9c
commit 900f33e23e
4 changed files with 28 additions and 8 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2015-09-18 Vincent Bernat <vincent@bernat.im>
[BZ #17886]
* time/strptime_l.c (__strptime_internal): Make %z accept Z as a
valid time zone.
2015-09-17 Mike Frysinger <vapier@gentoo.org>
* sysdeps/unix/sysv/linux/alpha/Makefile (CFLAGS-fdatasync.c): Delete.

10
NEWS
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@ -11,11 +11,11 @@ Version 2.23
2542, 2543, 2558, 2898, 4404, 6803, 14341, 14912, 15384, 15786, 15918,
16141, 16296, 16415, 16517, 16519, 16520, 16521, 16734, 16973, 16985,
17118, 17243, 17244, 17787, 17905, 18084, 18086, 18240, 18265, 18370,
18421, 18480, 18525, 18595, 18610, 18618, 18647, 18661, 18674, 18675,
18681, 18757, 18778, 18781, 18787, 18789, 18790, 18795, 18796, 18820,
18823, 18824, 18857, 18863, 18870, 18872, 18873, 18875, 18887, 18921,
18951, 18952, 18961, 18966, 18967, 18970, 18977
17118, 17243, 17244, 17787, 17886, 17905, 18084, 18086, 18240, 18265,
18370, 18421, 18480, 18525, 18595, 18610, 18618, 18647, 18661, 18674,
18675, 18681, 18757, 18778, 18781, 18787, 18789, 18790, 18795, 18796,
18820, 18823, 18824, 18857, 18863, 18870, 18872, 18873, 18875, 18887,
18921, 18951, 18952, 18961, 18966, 18967, 18970, 18977.
* The obsolete header <regexp.h> has been removed. Programs that require
this header must be updated to use <regex.h> instead.

10
time/strptime_l.c
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@ -749,13 +749,19 @@ __strptime_internal (rp, fmt, tmp, statep LOCALE_PARAM)
rp++;
break;
case 'z':
/* We recognize two formats: if two digits are given, these
/* We recognize three formats: if two digits are given, these
specify hours. If fours digits are used, minutes are
also specified. */
also specified. 'Z' is equivalent to +0000. */
{
val = 0;
while (ISSPACE (*rp))
++rp;
if (*rp == 'Z')
{
++rp;
tm->tm_gmtoff = 0;
break;
}
if (*rp != '+' && *rp != '-')
return NULL;
bool neg = *rp++ == '-';

10
time/tst-strptime2.c
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@ -31,7 +31,8 @@ static bool verbose;
whitespace matching strptime " " format specifier, and
timezone string matching strptime "%z" format specifier.
Note that a valid timezone string contains the following fields:
Note that a valid timezone string is either "Z" or contains the
following fields:
Sign field consisting of a '+' or '-' sign,
Hours field in two decimal digits, and
optional Minutes field in two decimal digits.
@ -155,6 +156,13 @@ do_test (void)
expect = LONG_MAX;
result |= compare (buf, expect, nresult);
/* Create and test input string with "Z" input (valid format).
Expect tm_gmtoff of 0. */
sprintf (buf, "%s Z", dummy_string);
expect = 0;
result |= compare (buf, expect, nresult);
/* Create and test input strings with sign and digits:
0 digits (invalid format),
1 digit (invalid format),