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[libc++][TZDB] Fixes %z escaping. #125399

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Feb 4, 2025
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2 changes: 1 addition & 1 deletion libcxx/src/experimental/time_zone.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -668,7 +668,7 @@ __first_rule(seconds __stdoff, const vector<__tz::__rule>& __rules) {
__continuation_end,
__continuation.__stdoff + __save,
chrono::duration_cast<minutes>(__save),
__continuation.__format},
chrono::__format(__continuation, __continuation.__format, __save)},
true};
}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,6 @@ static void test_abbrev(std::string_view input, std::string_view expected) {
TEST_LIBCPP_REQUIRE(result == expected, TEST_WRITE_CONCATENATED("\nExpected ", expected, "\nActual ", result, '\n'));
}

// This format is valid, however is not used in the tzdata.zi.
static void percentage_z_format() {
test_abbrev(
R"(
Expand Down Expand Up @@ -188,6 +187,12 @@ Z Format 0:45 F %z)",
R F 1999 max - Jan 5 0 -1 foo
Z Format 0:45 F %z)",
"-0015");

test_abbrev(
R"(
Z Format -1:2:20 - LMT 1912 Ja 1 1u
-1 - %z)",
"-01");
}

int main(int, const char**) {
Expand Down