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Merge 29520da0e0 into b85b779e3e

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Hiroki Tagato 2026-03-22 12:22:47 +00:00 • committed by GitHub
commit 2ae7bfb1e3
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2 changed files with 52 additions and 1 deletions
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50
include/hyprutils/string/Numeric.hpp
View file

@ -5,6 +5,12 @@
#include <charconv>
#include <concepts>
#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION < 200000
#include <string>
#include <cstdlib>
#include <cerrno>
#endif
namespace Hyprutils::String {
enum eNumericParseResult : uint8_t {
@ -40,6 +46,47 @@ namespace Hyprutils::String {
}
}
#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION < 200000
// libc++ < 20 does not implement std::from_chars for floating point types
if constexpr (std::floating_point<T>) {
std::string_view ts = sv;
if (ts.starts_with('+') || ts.starts_with('-'))
ts.remove_prefix(1);
if (ts.size() >= 2 && ts[0] == '0' && (ts[1] == 'x' || ts[1] == 'X'))
return std::unexpected(NUMERIC_PARSE_GARBAGE);
std::string s{sv};
char* endptr = nullptr;
errno = 0;
if constexpr (std::same_as<T, float>)
value = std::strtof(s.c_str(), &endptr);
else if constexpr (std::same_as<T, double>)
value = std::strtod(s.c_str(), &endptr);
else
value = std::strtold(s.c_str(), &endptr);
if (endptr == s.c_str())
return std::unexpected(NUMERIC_PARSE_BAD);
if (errno == ERANGE)
return std::unexpected(NUMERIC_PARSE_OUT_OF_RANGE);
if (endptr != s.c_str() + s.size())
return std::unexpected(NUMERIC_PARSE_GARBAGE);
return value;
} else {
const auto [ptr, ec] = std::from_chars(sv.data(), sv.data() + sv.size(), value);
if (ec == std::errc::invalid_argument)
return std::unexpected(NUMERIC_PARSE_BAD);
if (ec == std::errc::result_out_of_range)
return std::unexpected(NUMERIC_PARSE_OUT_OF_RANGE);
if (ptr != sv.data() + sv.size())
return std::unexpected(NUMERIC_PARSE_GARBAGE);
return value;
}
#else
const auto [ptr, ec] = std::from_chars(sv.data(), sv.data() + sv.size(), value);
if (ec == std::errc::invalid_argument)
@ -50,5 +97,6 @@ namespace Hyprutils::String {
return std::unexpected(NUMERIC_PARSE_GARBAGE);
return value;
#endif
}
};
};

3
tests/os/Process.cpp
View file

@ -2,6 +2,9 @@
#include <gtest/gtest.h>
#include <sys/types.h>
#include <signal.h>
using namespace Hyprutils::OS;
TEST(OS, process) {