// Formatting library for C++

//

// Copyright (c) 2012 - 2016, Victor Zverovich

// All rights reserved.

//

// For the license information refer to format.h.

#include "fmt/format-inl.h"

FMT_BEGIN_NAMESPACE

namespace internal {

template <typename T>

int format_float(char* buf, std::size_t size, const char* format, int precision,

                 T value) {

#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION

  if (precision > 100000)

    throw std::runtime_error(

        "fuzz mode - avoid large allocation inside snprintf");

#endif

  // Suppress the warning about nonliteral format string.

  auto snprintf_ptr = FMT_SNPRINTF;

  return precision < 0 ? snprintf_ptr(buf, size, format, value)

                       : snprintf_ptr(buf, size, format, precision, value);

}

Unexecuted instantiation: int duckdb_fmt::v6::internal::format_float<double>(char*, unsigned long, char const*, int, double)

Unexecuted instantiation: int duckdb_fmt::v6::internal::format_float<long double>(char*, unsigned long, char const*, int, long double)

struct sprintf_specs {

  int precision;

  char type;

  bool alt : 1;

  template <typename Char>

  constexpr sprintf_specs(basic_format_specs<Char> specs)

      : precision(specs.precision), type(specs.type), alt(specs.alt) {}

  constexpr bool has_precision() const { return precision >= 0; }

};

// This is deprecated and is kept only to preserve ABI compatibility.

template <typename Double>

char* sprintf_format(Double value, internal::buffer<char>& buf,

                     sprintf_specs specs) {

  // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail.

  FMT_ASSERT(buf.capacity() != 0, "empty buffer");

  // Build format string.

  enum { max_format_size = 10 };  // longest format: %#-*.*Lg

  char format[max_format_size];

  char* format_ptr = format;

  *format_ptr++ = '%';

  if (specs.alt || !specs.type) *format_ptr++ = '#';

  if (specs.precision >= 0) {

    *format_ptr++ = '.';

    *format_ptr++ = '*';

  }

  if (std::is_same<Double, long double>::value) *format_ptr++ = 'L';

  char type = specs.type;

  if (type == '%')

    type = 'f';

  else if (type == 0 || type == 'n')

    type = 'g';

#if FMT_MSC_VER

  if (type == 'F') {

    // MSVC's printf doesn't support 'F'.

    type = 'f';

  }

#endif

  *format_ptr++ = type;

  *format_ptr = '\0';

  // Format using snprintf.

  char* start = nullptr;

  char* decimal_point_pos = nullptr;

  for (;;) {

    std::size_t buffer_size = buf.capacity();

    start = &buf[0];

    int result =

        format_float(start, buffer_size, format, specs.precision, value);

    if (result >= 0) {

      unsigned n = internal::to_unsigned(result);

      if (n < buf.capacity()) {

        // Find the decimal point.

        auto p = buf.data(), end = p + n;

        if (*p == '+' || *p == '-') ++p;

        if (specs.type != 'a' && specs.type != 'A') {

          while (p < end && *p >= '0' && *p <= '9') ++p;

          if (p < end && *p != 'e' && *p != 'E') {

            decimal_point_pos = p;

            if (!specs.type) {

              // Keep only one trailing zero after the decimal point.

              ++p;

              if (*p == '0') ++p;

              while (p != end && *p >= '1' && *p <= '9') ++p;

              char* where = p;

              while (p != end && *p == '0') ++p;

              if (p == end || *p < '0' || *p > '9') {

                if (p != end) std::memmove(where, p, to_unsigned(end - p));

                n -= static_cast<unsigned>(p - where);

              }

            }

          }

        }

        buf.resize(n);

        break;  // The buffer is large enough - continue with formatting.

      }

      buf.reserve(n + 1);

    } else {

      // If result is negative we ask to increase the capacity by at least 1,

      // but as std::vector, the buffer grows exponentially.

      buf.reserve(buf.capacity() + 1);

    }

  }

  return decimal_point_pos;

}

Unexecuted instantiation: char* duckdb_fmt::v6::internal::sprintf_format<double>(double, duckdb_fmt::v6::internal::buffer<char>&, duckdb_fmt::v6::internal::sprintf_specs)

Unexecuted instantiation: char* duckdb_fmt::v6::internal::sprintf_format<long double>(long double, duckdb_fmt::v6::internal::buffer<char>&, duckdb_fmt::v6::internal::sprintf_specs)

}  // namespace internal

template FMT_API char* internal::sprintf_format(double, internal::buffer<char>&,

                                                sprintf_specs);

template FMT_API char* internal::sprintf_format(long double,

                                                internal::buffer<char>&,

                                                sprintf_specs);

template struct FMT_API internal::basic_data<void>;

// Workaround a bug in MSVC2013 that prevents instantiation of format_float.

int (*instantiate_format_float)(double, int, internal::float_specs,

                                internal::buffer<char>&) =

    internal::format_float;

// Explicit instantiations for char.

template FMT_API std::string internal::grouping_impl<char>(locale_ref);

template FMT_API char internal::thousands_sep_impl(locale_ref);

template FMT_API char internal::decimal_point_impl(locale_ref);

template FMT_API void internal::buffer<char>::append(const char*, const char*);

template FMT_API void internal::arg_map<format_context>::init(

    const basic_format_args<format_context>& args);

template FMT_API std::string internal::vformat<char>(

    string_view, basic_format_args<format_context>);

template FMT_API format_context::iterator internal::vformat_to(

    internal::buffer<char>&, string_view, basic_format_args<format_context>);

template FMT_API int internal::snprintf_float(double, int,

                                              internal::float_specs,

                                              internal::buffer<char>&);

template FMT_API int internal::snprintf_float(long double, int,

                                              internal::float_specs,

                                              internal::buffer<char>&);

template FMT_API int internal::format_float(double, int, internal::float_specs,

                                            internal::buffer<char>&);

template FMT_API int internal::format_float(long double, int,

                                            internal::float_specs,

                                            internal::buffer<char>&);

// Explicit instantiations for wchar_t.

template FMT_API std::string internal::grouping_impl<wchar_t>(locale_ref);

template FMT_API wchar_t internal::thousands_sep_impl(locale_ref);

template FMT_API wchar_t internal::decimal_point_impl(locale_ref);

template FMT_API void internal::buffer<wchar_t>::append(const wchar_t*,

                                                        const wchar_t*);

template FMT_API std::wstring internal::vformat<wchar_t>(

    wstring_view, basic_format_args<wformat_context>);

FMT_END_NAMESPACE