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PVS-Studio founds some errors, I fixed it.

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This commit is contained in:
IRainman 2025-03-07 20:39:20 +03:00
parent 388426e35a
commit ae29a0dbe5
5 changed files with 17 additions and 17 deletions
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4
include/fast_float/ascii_number.h
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@ -286,7 +286,7 @@ report_parse_error(UC const *p, parse_error error) noexcept {
template <typename UC> template <typename UC>
fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC> fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC>
parse_number_string(UC const *p, UC const *pend, parse_number_string(UC const *p, UC const *pend,
const parse_options_t<UC> options) noexcept { parse_options_t<UC> const &options) noexcept {
parsed_number_string_t<UC> answer; parsed_number_string_t<UC> answer;
answer.valid = false; answer.valid = false;
@ -487,7 +487,7 @@ parse_number_string(UC const *p, UC const *pend,
template <typename T, typename UC> template <typename T, typename UC>
fastfloat_really_inline FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> fastfloat_really_inline FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
parse_int_string(UC const *p, UC const *pend, T &value, parse_int_string(UC const *p, UC const *pend, T &value,
parse_options_t<UC> options) { parse_options_t<UC> const &options) noexcept {
from_chars_result_t<UC> answer; from_chars_result_t<UC> answer;

6
include/fast_float/decimal_to_binary.h
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@ -103,15 +103,15 @@ fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
compute_float(int64_t q, uint64_t w) noexcept { compute_float(int64_t q, uint64_t w) noexcept {
adjusted_mantissa answer; adjusted_mantissa answer;
if ((w == 0) || (q < binary::smallest_power_of_ten())) { if ((w == 0) || (q < binary::smallest_power_of_ten())) {
answer.power2 = 0; // answer.power2 = 0; already set
answer.mantissa = 0; // answer.mantissa = 0; already set
// result should be zero // result should be zero
return answer; return answer;
} }
if (q > binary::largest_power_of_ten()) { if (q > binary::largest_power_of_ten()) {
// we want to get infinity: // we want to get infinity:
answer.power2 = binary::infinite_power(); answer.power2 = binary::infinite_power();
answer.mantissa = 0; // answer.mantissa = 0; already set
return answer; return answer;
} }
// At this point in time q is in [powers::smallest_power_of_five, // At this point in time q is in [powers::smallest_power_of_five,

2
include/fast_float/fast_float.h
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@ -43,7 +43,7 @@ from_chars(UC const *first, UC const *last, T &value,
template <typename T, typename UC = char> template <typename T, typename UC = char>
FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
from_chars_advanced(UC const *first, UC const *last, T &value, from_chars_advanced(UC const *first, UC const *last, T &value,
parse_options_t<UC> options) noexcept; parse_options_t<UC> const &options) noexcept;
/** /**
* from_chars for integer types. * from_chars for integer types.

4
include/fast_float/float_common.h
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@ -1006,9 +1006,9 @@ template <typename T>
fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
to_float( to_float(
#ifndef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN #ifndef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN
const bool negative, bool const negative,
#endif #endif
const adjusted_mantissa am, T &value) noexcept { adjusted_mantissa const &am, T &value) noexcept {
using equiv_uint = equiv_uint_t<T>; using equiv_uint = equiv_uint_t<T>;
equiv_uint word = equiv_uint(am.mantissa); equiv_uint word = equiv_uint(am.mantissa);
word = equiv_uint(word | equiv_uint(am.power2) word = equiv_uint(word | equiv_uint(am.power2)

18
include/fast_float/parse_number.h
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@ -145,7 +145,7 @@ template <typename T> struct from_chars_caller {
template <typename UC> template <typename UC>
FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
call(UC const *first, UC const *last, T &value, call(UC const *first, UC const *last, T &value,
parse_options_t<UC> options) noexcept { parse_options_t<UC> const &options) noexcept {
return from_chars_advanced(first, last, value, options); return from_chars_advanced(first, last, value, options);
} }
}; };
@ -155,7 +155,7 @@ template <> struct from_chars_caller<std::float32_t> {
template <typename UC> template <typename UC>
FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
call(UC const *first, UC const *last, std::float32_t &value, call(UC const *first, UC const *last, std::float32_t &value,
parse_options_t<UC> options) noexcept { parse_options_t<UC> const &options) noexcept {
// if std::float32_t is defined, and we are in C++23 mode; macro set for // if std::float32_t is defined, and we are in C++23 mode; macro set for
// float32; set value to float due to equivalence between float and // float32; set value to float due to equivalence between float and
// float32_t // float32_t
@ -172,7 +172,7 @@ template <> struct from_chars_caller<std::float64_t> {
template <typename UC> template <typename UC>
FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
call(UC const *first, UC const *last, std::float64_t &value, call(UC const *first, UC const *last, std::float64_t &value,
parse_options_t<UC> options) noexcept { parse_options_t<UC> const &options) noexcept {
// if std::float64_t is defined, and we are in C++23 mode; macro set for // if std::float64_t is defined, and we are in C++23 mode; macro set for
// float64; set value as double due to equivalence between double and // float64; set value as double due to equivalence between double and
// float64_t // float64_t
@ -199,7 +199,7 @@ from_chars(UC const *first, UC const *last, T &value,
*/ */
template <typename T, typename UC> template <typename T, typename UC>
FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
from_chars_advanced(const parsed_number_string_t<UC> &pns, T &value) noexcept { from_chars_advanced(parsed_number_string_t<UC> const &pns, T &value) noexcept {
static_assert(is_supported_float_type<T>::value, static_assert(is_supported_float_type<T>::value,
"only some floating-point types are supported"); "only some floating-point types are supported");
@ -300,7 +300,7 @@ from_chars_advanced(const parsed_number_string_t<UC> &pns, T &value) noexcept {
template <typename T, typename UC> template <typename T, typename UC>
FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
from_chars_float_advanced(UC const *first, UC const *last, T &value, from_chars_float_advanced(UC const *first, UC const *last, T &value,
const parse_options_t<UC> options) noexcept { parse_options_t<UC> const &options) noexcept {
static_assert(is_supported_float_type<T>::value, static_assert(is_supported_float_type<T>::value,
"only some floating-point types are supported"); "only some floating-point types are supported");
@ -359,7 +359,7 @@ from_chars(UC const *first, UC const *last, T &value, int base) noexcept {
template <typename T, typename UC> template <typename T, typename UC>
FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
from_chars_int_advanced(UC const *first, UC const *last, T &value, from_chars_int_advanced(UC const *first, UC const *last, T &value,
const parse_options_t<UC> options) noexcept { parse_options_t<UC> const &options) noexcept {
static_assert(is_supported_integer_type<T>::value, static_assert(is_supported_integer_type<T>::value,
"only integer types are supported"); "only integer types are supported");
@ -398,7 +398,7 @@ template <> struct from_chars_advanced_caller<1> {
template <typename T, typename UC> template <typename T, typename UC>
FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
call(UC const *first, UC const *last, T &value, call(UC const *first, UC const *last, T &value,
const parse_options_t<UC> options) noexcept { parse_options_t<UC> const &options) noexcept {
return from_chars_float_advanced(first, last, value, options); return from_chars_float_advanced(first, last, value, options);
} }
}; };
@ -407,7 +407,7 @@ template <> struct from_chars_advanced_caller<2> {
template <typename T, typename UC> template <typename T, typename UC>
FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
call(UC const *first, UC const *last, T &value, call(UC const *first, UC const *last, T &value,
const parse_options_t<UC> options) noexcept { parse_options_t<UC> const &options) noexcept {
return from_chars_int_advanced(first, last, value, options); return from_chars_int_advanced(first, last, value, options);
} }
}; };
@ -415,7 +415,7 @@ template <> struct from_chars_advanced_caller<2> {
template <typename T, typename UC> template <typename T, typename UC>
FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC> FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
from_chars_advanced(UC const *first, UC const *last, T &value, from_chars_advanced(UC const *first, UC const *last, T &value,
const parse_options_t<UC> options) noexcept { parse_options_t<UC> const &options) noexcept {
return from_chars_advanced_caller< return from_chars_advanced_caller<
size_t(is_supported_float_type<T>::value) + size_t(is_supported_float_type<T>::value) +
2 * size_t(is_supported_integer_type<T>::value)>::call(first, last, value, 2 * size_t(is_supported_integer_type<T>::value)>::call(first, last, value,