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Android uses one large file of tzdata, so the "read up to the maximum
possible length of a valid tzfile" code in upstream localtime.c is
broken: there is always data after the current tzfile (even the
last tzfile is followed by the zone.tab data). This patch passes the
exact length through to the read(2) call so we don't over-read, rather
than have to rewrite upstream code that measures back from the "end" of
the tzfile.

The old code failed the existing time.strftime_null_tm_zone test after
updating to tzdata2016g.

Bug: http://b/31848040
Test: time.strftime_null_tm_zone
Change-Id: Iee059b5a8c051bd4952cfd80f02b00d83e489d5e

The 2016g release of the tz code and data is available. It reflects the
following changes, which were either circulated on the tz mailing list
or are relatively minor technical or administrative changes:

  Changes to future time stamps

    Turkey switched from EET/EEST (+02/+03) to permanent +03,
    effective 2016-09-07.  (Thanks to Burak AYDIN.)  Use "+03" rather
    than an invented abbreviation for the new time.

    New leap second 2016-12-31 23:59:60 UTC as per IERS Bulletin C 52.
    (Thanks to Tim Parenti.)

  Changes to past time stamps

    For America/Los_Angeles, spring-forward transition times have been
    corrected from 02:00 to 02:01 in 1948, and from 02:00 to 01:00 in
    1950-1966.

    For zones using Soviet time on 1919-07-01, transitions to UT-based
    time were at 00:00 UT, not at 02:00 local time.  The affected
    zones are Europe/Kirov, Europe/Moscow, Europe/Samara, and
    Europe/Ulyanovsk.  (Thanks to Alexander Belopolsky.)

  Changes to past and future time zone abbreviations

    The Factory zone now uses the time zone abbreviation -00 instead
    of a long English-language string, as -00 is now the normal way to
    represent an undefined time zone.

    Several zones in Antarctica and the former Soviet Union, along
    with zones intended for ships at sea that cannot use POSIX TZ
    strings, now use numeric time zone abbreviations instead of
    invented or obsolete alphanumeric abbreviations.  The affected
    zones are Antarctica/Casey, Antarctica/Davis,
    Antarctica/DumontDUrville, Antarctica/Mawson, Antarctica/Rothera,
    Antarctica/Syowa, Antarctica/Troll, Antarctica/Vostok,
    Asia/Anadyr, Asia/Ashgabat, Asia/Baku, Asia/Bishkek, Asia/Chita,
    Asia/Dushanbe, Asia/Irkutsk, Asia/Kamchatka, Asia/Khandyga,
    Asia/Krasnoyarsk, Asia/Magadan, Asia/Omsk, Asia/Sakhalin,
    Asia/Samarkand, Asia/Srednekolymsk, Asia/Tashkent, Asia/Tbilisi,
    Asia/Ust-Nera, Asia/Vladivostok, Asia/Yakutsk, Asia/Yekaterinburg,
    Asia/Yerevan, Etc/GMT-14, Etc/GMT-13, Etc/GMT-12, Etc/GMT-11,
    Etc/GMT-10, Etc/GMT-9, Etc/GMT-8, Etc/GMT-7, Etc/GMT-6, Etc/GMT-5,
    Etc/GMT-4, Etc/GMT-3, Etc/GMT-2, Etc/GMT-1, Etc/GMT+1, Etc/GMT+2,
    Etc/GMT+3, Etc/GMT+4, Etc/GMT+5, Etc/GMT+6, Etc/GMT+7, Etc/GMT+8,
    Etc/GMT+9, Etc/GMT+10, Etc/GMT+11, Etc/GMT+12, Europe/Kaliningrad,
    Europe/Minsk, Europe/Samara, Europe/Volgograd, and
    Indian/Kerguelen.  For Europe/Moscow the invented abbreviation MSM
    was replaced by +05, whereas MSK and MSD were kept as they are not
    our invention and are widely used.

  Changes to zone names

    Rename Asia/Rangoon to Asia/Yangon, with a backward compatibility link.
    (Thanks to David Massoud.)

Test: Ran CTS modules CtsLibcoreTestCases and CtsBionicTestCases.
Bug: 31848040
Change-Id: I1e652ce2e428d44ba143e4ca9630fd2dc46087e4

POSIX is its usual unintelligible self
(http://pubs.opengroup.org/onlinepubs/9699919799/functions/mbsrtowcs.html),
but the ISO C11 standard (7.29.6.4.1 paragraph 2) is pretty clear: *src
should change if and only if dst is non-null.

Bug: https://code.google.com/p/android/issues/detail?id=166381
Test: bionic tests
Change-Id: Ibc631cfa5b1bf4a6f56963feba9f0eea27b07984

Test: tests/run-on-host.sh glibc
Change-Id: Idd5b2a72335ff0ca47f37c578f71cec8c9fb6ea0

Strings like cflags in Android.bp files are parsed by blueprint,
written to build.ninja files, parsed by ninja, and then passed to
/bin/sh -c.  This had resulted in a combination of blueprint
(\"), ninja ($$), and shell (\$) escaping being necessary.

Soong has been updated to automatically handle ninja and shell
escaping, remove extra escaping from Android.bp files.

Bug: 31221587
Test: m -j
Change-Id: Ib58a51dee8d22296b69ec21768ba6a49dd60e980

Fix the incorrect mention of when the zygote flag is set on a size.

Add information about how to use am dumpheap -n to dump the native
heap to a file.

Test: Documentation only change.

Change-Id: I82e810ee7ffffcf7506fb6fd9bcfdfb0465a48be

These names were pretty misleading (aka "backwards"), so switch to the
same obvious names glibc uses.

Test: build.
Change-Id: Ia98c9dbbccd0820386116562347654e84669034a

* changes:
  Fix warnings (and errors) in static inline headers.
  Add versioner to preupload hook.

sincos and sincosf are being tested more thoroughly with a table of data,
but there's nothing equivalent for sincosl.

Test: ran the tests, obviously.
Change-Id: I5b4b22b73cad9b0030549de2e2ed2a0e38648806

Bug: http://b/31676510
Change-Id: Idcbc544e498f7e6bbe99c2bf7dc557a5681e96c4
Test: preupload hook

Bug: http://b/31676510
Change-Id: Ic7cfad1cb214c9f711a985bace484a20db1a89b6
Test: submitted this patch, and it failed

* changes:
  Add legacy inlines for locale aware APIs.
  Add strtof_l and strtod_l.

Test: make checkbuild tests
Bug: http://b/31639993
Change-Id: Ic43d690dff3c6960d7826bd0b064640a3ea0e883

libc++ needs these now. Add shims to match the others.

Test: make checkbuild tests
Bug: http://b/31639993
Change-Id: Ifec6c32099145d8d3d1a5639a4809e5e9f553c33

Bug: 28760453
Change-Id: I1a58d19bf45eac5f930b0f649cf9b8c9046302f3

The char versions of these functions have `_Nonnull` on these
parameters. Match it in the wide char versions. strxfrm_l also has
`__restrict` on its pointer arguments, I believe we've decided that's
something that shouldn't be proliferated...

Test: make checkbuild tests
Bug: None
Change-Id: Ie533e1af92b2a7c9df657073dbc4c345abf72473

Needed for checking conditions like `__ANDROID_API__ <
__ANDROID_API_FUTURE__` for providing inlines for things that have
not yet been included in any release.

Test: make checkbuild tests
Bug: None
Change-Id: Ibcddac5a538ede020a8cb65fca03194475121966

We'd removed most of it already, but a few bits and pieces were still lying
around.

Change-Id: I572a23eb15b9670d8d0f95586eca99ab0bdb4a1b
Test: mm.

Test: mm.
Change-Id: I9dff708dd05d4f9e52ccdfde96e096553c873054

We need to make a clearer distinction for bionic on the host. This patch
doesn't fully address things like "should host bionic try to talk to netd?"
for now, but is a step in the right direction.

Bug: http://b/31559095
Test: bionic tests.
Change-Id: I49812f8b75d9d78c4fd8a8ddf5df1201d63771d6

* changes:
  versioner: turn on -Wundef.
  Fix BYTE_ORDER check in <netinet/ip6.h>.
  Fix instances of '#if __i386__'.
  Fix instances of '#if __LP64__'.

1. Extract bionic loader tests to static library in
order to link it to bionic cts tests.
2. Make libpagemap dependency static to reduce dependencies
on internal native libraries.

Bug: http://b/22182538
Test: run bionic-unit-tests --gtest_filter=dl*:Dl*
Change-Id: I5decd5893e6338c84b3ab23e1d65d70bd75ad880

Poking around with -Wundef exposed a pretty horrifying bug, so we
should probably keep it turned on.

Bug: http://b/31496165
Change-Id: Iada279eec91ded0d59ff3841d5a3ce1a36e34c3a

Neither BYTE_ORDER nor BIG_ENDIAN were being defined anywhere, so they
were defaulting to zero, leading to BIG_ENDIAN values being used.

Bug: http://b/31496165
Change-Id: Ic6089895f39b86e7762bdb5b7d5b01feb0d2fd17

Triggers -Wundef, which is on in -Weverything.

Bug: http://b/31496165
Change-Id: Ie2241b19abd6257bebf68baa3ecc4de8066c722e

Triggers -Wundef, which is on in -Weverything.

Bug: http://b/31496165
Change-Id: Ib06107073f7dd1d584c19c222d0430da9d35630b