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Re-enable assert in format_decimal

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Victor Zverovich
2020-06-14 08:30:13 -07:00
parent f4de7b684a
commit e900d735bb
1 changed files with 22 additions and 17 deletions
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39
include/fmt/format.h
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@ -895,7 +895,7 @@ template <typename Iterator> struct format_decimal_result {
template <typename Char, typename UInt> template <typename Char, typename UInt>
inline format_decimal_result<Char*> format_decimal(Char* out, UInt value, inline format_decimal_result<Char*> format_decimal(Char* out, UInt value,
int size) { int size) {
//FMT_ASSERT(size >= count_digits(value), "invalid digit count"); FMT_ASSERT(size >= count_digits(value), "invalid digit count");
out += size; out += size;
Char* end = out; Char* end = out;
while (value >= 100) { while (value >= 100) {
@ -2971,25 +2971,28 @@ class format_int {
mutable char buffer_[buffer_size]; mutable char buffer_[buffer_size];
char* str_; char* str_;
char* format_decimal(unsigned long long value) { template <typename UInt> char* format_unsigned(UInt value) {
return detail::format_decimal(buffer_, value, buffer_size - 1).begin; auto n = static_cast<detail::uint32_or_64_or_128_t<UInt>>(value);
return detail::format_decimal(buffer_, n, buffer_size - 1).begin;
} }
void format_signed(long long value) { template <typename Int> char* format_signed(Int value) {
auto abs_value = static_cast<unsigned long long>(value); auto abs_value = static_cast<detail::uint32_or_64_or_128_t<Int>>(value);
bool negative = value < 0; bool negative = value < 0;
if (negative) abs_value = 0 - abs_value; if (negative) abs_value = 0 - abs_value;
str_ = format_decimal(abs_value); auto begin = format_unsigned(abs_value);
if (negative) *--str_ = '-'; if (negative) *--begin = '-';
return begin;
} }
public: public:
explicit format_int(int value) { format_signed(value); } explicit format_int(int value) : str_(format_signed(value)) {}
explicit format_int(long value) { format_signed(value); } explicit format_int(long value) : str_(format_signed(value)) {}
explicit format_int(long long value) { format_signed(value); } explicit format_int(long long value) : str_(format_signed(value)) {}
explicit format_int(unsigned value) : str_(format_decimal(value)) {} explicit format_int(unsigned value) : str_(format_unsigned(value)) {}
explicit format_int(unsigned long value) : str_(format_decimal(value)) {} explicit format_int(unsigned long value) : str_(format_unsigned(value)) {}
explicit format_int(unsigned long long value) : str_(format_decimal(value)) {} explicit format_int(unsigned long long value)
: str_(format_unsigned(value)) {}
/** Returns the number of characters written to the output buffer. */ /** Returns the number of characters written to the output buffer. */
size_t size() const { size_t size() const {
@ -3370,13 +3373,15 @@ template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
inline std::string to_string(const T& value) { inline std::string to_string(const T& value) {
return format("{}", value); return format("{}", value);
} }
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)> template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
inline std::string to_string(T value) { inline std::string to_string(T value) {
// Buffer should be large enough to store the number or "false" (for bool). // The buffer should be large enough to store the number including the sign or
char buffer[(std::max)(detail::digits10<T>() + 2, 5)]; // "false" for bool.
constexpr int max_size = detail::digits10<T>() + 2;
char buffer[max_size > 5 ? max_size : 5];
char* begin = buffer; char* begin = buffer;
char* end = detail::write<char>(begin, value); return std::string(begin, detail::write<char>(begin, value));
return std::string(begin, end);
} }
/** /**