shadps4-emu/ext-fmt
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Fix handling of empty non-null-terminated strings

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This commit is contained in:
vitaut 2015-11-25 09:49:01 -08:00
parent 7cbb29f61e
commit b8bd80ff28
2 changed files with 10 additions and 3 deletions
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4
format.cc
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@ -432,7 +432,7 @@ class BasicArgFormatter : public ArgVisitor<Impl, void> {
}
void write(const char *value) {
Arg::StringValue<char> str = {value, 0};
Arg::StringValue<char> str = {value, value != 0 ? strlen(value) : 0};
writer_.write_str(str, spec_);
}
@ -842,8 +842,6 @@ void fmt::BasicWriter<Char>::write_str(
FMT_THROW(FormatError("string pointer is null"));
return;
}
if (*str_value)
str_size = std::char_traits<StrChar>::length(str_value);
}
std::size_t precision = spec.precision_;
if (spec.precision_ >= 0 && precision < str_size)

9
test/format-test.cc
View File

@ -1649,3 +1649,12 @@ TEST(FormatTest, Enum) {
EXPECT_EQ("TestEnum", fmt::format("{}", TestEnum()));
EXPECT_EQ("0", fmt::format("{}", A));
}
struct EmptyTest {};
std::ostream &operator<<(std::ostream &os, EmptyTest) {
return os << "";
}
TEST(FormatTest, EmptyCustomOutput) {
EXPECT_EQ("", fmt::format("{}", EmptyTest()));
}