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Add more mingw debug

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This commit is contained in:
Krystian Stasiowski
2020-02-22 22:29:13 -05:00
parent c0b78c7698
commit ecf92a03a9
1 changed files with 8 additions and 2 deletions
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10
include/boost/static_string/static_string.hpp
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@ -21,6 +21,8 @@
#include <iosfwd>
#include <type_traits>
#include <iostream>
namespace boost {
namespace static_string {
@ -540,10 +542,13 @@ to_static_wstring_float_impl(long double value) noexcept
{
// extra one needed for null terminator
wchar_t buffer[N + 1];
std::cout << "buffer size: " << (N + 1) << '\n';
// swprintf returns a negative number if it can't
// fit all the characters in the buffer
std::cout << "trying swprintf\n";
if (std::swprintf(buffer, N + 1, L"%Lf", value) < 0)
const int res = std::swprintf(buffer, N + 1, L"%Lf", value);
std::cout << "swprintf res: " << res << '\n';
if (res < 0)
{
std::cout << "swprintf < 0\n";
// the + 4 is for the decimal, 'e',
@ -552,8 +557,9 @@ to_static_wstring_float_impl(long double value) noexcept
(std::max)(std::size_t(2), count_digits(
std::numeric_limits<long double>::max_exponent10)) + 4;
const int precision = N > reserved_count ? N - reserved_count : 0;
std::cout << "pre: " << precision << '\n';
// switch to scientific notation
std::swprintf(buffer, N + 1, L"%.*Le", precision, value);
std::cout << "sci: " std::swprintf(buffer, N + 1, L"%.*Le", precision, value) << '\n';
}
// this will not throw
return static_wstring<N>(buffer);