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Fix sign handling in 'L'

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This commit is contained in:
Victor Zverovich 2020-06-13 06:57:19 -07:00
parent 23b976a615
commit 8c88abde64
2 changed files with 3 additions and 0 deletions
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2
include/fmt/format.h
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@ -1552,6 +1552,7 @@ template <typename OutputIt, typename Char, typename UInt> struct int_writer {
char digits[40];
format_decimal(digits, abs_value, num_digits);
basic_memory_buffer<Char> buffer;
size += prefix_size;
buffer.resize(size);
basic_string_view<Char> s(&sep, sep_size);
// Index of a decimal digit with the least significant digit having index 0.
@ -1571,6 +1572,7 @@ template <typename OutputIt, typename Char, typename UInt> struct int_writer {
std::uninitialized_copy(s.data(), s.data() + s.size(),
make_checked(p, s.size()));
}
if (prefix_size != 0) p[-1] = static_cast<Char>('-');
write(out, basic_string_view<Char>(buffer.data(), buffer.size()), specs);
}

1
test/locale-test.cc
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@ -49,6 +49,7 @@ TEST(LocaleTest, Format) {
std::locale loc(std::locale(), new numpunct<char>());
EXPECT_EQ("1234567", fmt::format(std::locale(), "{:n}", 1234567));
EXPECT_EQ("1~234~567", fmt::format(loc, "{:n}", 1234567));
EXPECT_EQ("-1~234~567", fmt::format(loc, "{:n}", -1234567));
fmt::format_arg_store<fmt::format_context, int> as{1234567};
EXPECT_EQ("1~234~567", fmt::vformat(loc, "{:n}", fmt::format_args(as)));
std::string s;