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Export of internal Abseil changes.

Browse source 
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5f1ab09522226336830d9ea6ef7276d37f536ac5 by Abseil Team <absl-team@google.com>:

Clarify the documentation of ABSL_MUST_USE_RESULT.

PiperOrigin-RevId: 221663609

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af4c8359a20d56369fd1dce318220cf3be03ca66 by Greg Falcon <gfalcon@google.com>:

Internal change

PiperOrigin-RevId: 221538448

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487cd09bd1942bf607080deeae38fee6ce66f294 by Eric Fiselier <ericwf@google.com>:

Work around emscripten bugs and missing features in absl/time:time_test.

The emscripten toolchain has a couple of issues that cause time_test
to fail. Specifically:

1) emscripten doesn't support signals.
2) The javascript implementation of strftime/strptime use different expansions
of '%c' that mean it doesn't round-trip.

PiperOrigin-RevId: 221523701

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5823652e6a200b97b07334bc47128dfac40e20fc by Xiaoyi Zhang <zhangxy@google.com>:

Fix MSVC compiler warning by explicitly casting to char.
Currently our MSVC build breaks with the following error:
raw_hash_set.h(406): warning C4309: 'argument': truncation of constant value

PiperOrigin-RevId: 221492585

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c5806358320711a5efbe5c523df13e14ab53a17d by Greg Falcon <gfalcon@google.com>:

Replace calls to getpagesize() with the more portable sysconf(_SC_PAGESIZE); the latter is in POSIX 1.0 and is called out in the Linux `getpagesize` man page as a more portable spelling.

PiperOrigin-RevId: 221492471

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19ffe82851072229bb7ce73f754ffe4c18e8c575 by Abseil Team <absl-team@google.com>:

Fix -Wundef error in absl/hash/internal/hash.h.

PiperOrigin-RevId: 221444120

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b30f3d0a848563b6e4ec33f3dc085831dfabb748 by Jon Cohen <cohenjon@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 221339736
GitOrigin-RevId: 5f1ab09522226336830d9ea6ef7276d37f536ac5
Change-Id: I96223d522d98bf6616dea88eb047c2d536eeddd0
This commit is contained in:
Abseil Team 2018-11-15 11:55:00 -08:00 • committed by Jon Cohen
parent 7b46e1d31a
commit a06c4a1d90
10 changed files with 47 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

9
absl/time/format_test.cc
View file

@ -394,7 +394,12 @@ TEST(FormatParse, RoundTrip) {
// work. On Windows, `absl::ParseTime()` falls back to std::get_time() which
// appears to fail on "%c" (or at least on the "%c" text produced by
// `strftime()`). This makes it fail the round-trip test.
#ifndef _MSC_VER
//
// Under the emscripten compiler `absl::ParseTime() falls back to
// `strptime()`, but that ends up using a different definition for "%c"
// compared to `strftime()`, also causing the round-trip test to fail
// (see https://github.com/kripken/emscripten/pull/7491).
#if !defined(_MSC_VER) && !defined(__EMSCRIPTEN__)
// Even though we don't know what %c will produce, it should roundtrip,
// but only in the 0-offset timezone.
{
@ -403,7 +408,7 @@ TEST(FormatParse, RoundTrip) {
EXPECT_TRUE(absl::ParseTime("%c", s, &out, &err)) << s << ": " << err;
EXPECT_EQ(in, out);
}
#endif // _MSC_VER
#endif // !_MSC_VER && !__EMSCRIPTEN__
}
TEST(FormatParse, RoundTripDistantFuture) {

10
absl/time/internal/cctz/include/cctz/civil_time_detail.h
View file

@ -506,9 +506,11 @@ enum class weekday {
};
CONSTEXPR_F weekday get_weekday(const civil_day& cd) noexcept {
CONSTEXPR_D weekday k_weekday_by_sun_off[7] = {
weekday::sunday, weekday::monday, weekday::tuesday,
weekday::wednesday, weekday::thursday, weekday::friday,
CONSTEXPR_D weekday k_weekday_by_mon_off[13] = {
weekday::monday, weekday::tuesday, weekday::wednesday,
weekday::thursday, weekday::friday, weekday::saturday,
weekday::sunday, weekday::monday, weekday::tuesday,
weekday::wednesday, weekday::thursday, weekday::friday,
weekday::saturday,
};
CONSTEXPR_D int k_weekday_offsets[1 + 12] = {
@ -517,7 +519,7 @@ CONSTEXPR_F weekday get_weekday(const civil_day& cd) noexcept {
year_t wd = 2400 + (cd.year() % 400) - (cd.month() < 3);
wd += wd / 4 - wd / 100 + wd / 400;
wd += k_weekday_offsets[cd.month()] + cd.day();
return k_weekday_by_sun_off[(wd % 7 + 7) % 7];
return k_weekday_by_mon_off[wd % 7 + 6];
}
////////////////////////////////////////////////////////////////////////