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🚨 fix warning

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Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2025-04-24 08:31:54 +02:00
parent 51a77f1dca
commit dfb9eb6eec
3 changed files with 9 additions and 5 deletions
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2
cmake/requirements/requirements-cppcheck.txt
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@@ -1 +1 @@
cppcheck==1.5.0 cppcheck==1.5.1

6
include/nlohmann/detail/output/serializer.hpp
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@@ -830,9 +830,11 @@ class serializer
// get number of digits for a float -> text -> float round-trip // get number of digits for a float -> text -> float round-trip
static constexpr auto d = std::numeric_limits<number_float_t>::max_digits10; static constexpr auto d = std::numeric_limits<number_float_t>::max_digits10;
// the actual conversion // the actual conversion (Note that is_ieee_single_or_double==false
// rules out that number_float_t is double or long double. Therefore,
// we need to cast the argument x to double to be able to use snprintf.)
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg) // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x); std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, static_cast<double>(x));
// negative value indicates an error // negative value indicates an error
JSON_ASSERT(len > 0); JSON_ASSERT(len > 0);

6
single_include/nlohmann/json.hpp
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@@ -19565,9 +19565,11 @@ class serializer
// get number of digits for a float -> text -> float round-trip // get number of digits for a float -> text -> float round-trip
static constexpr auto d = std::numeric_limits<number_float_t>::max_digits10; static constexpr auto d = std::numeric_limits<number_float_t>::max_digits10;
// the actual conversion // the actual conversion (Note that is_ieee_single_or_double==false
// rules out that number_float_t is double or long double. Therefore,
// we need to cast the argument x to double to be able to use snprintf.)
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg) // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x); std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, static_cast<double>(x));
// negative value indicates an error // negative value indicates an error
JSON_ASSERT(len > 0); JSON_ASSERT(len > 0);