1 // Formatting library for C++
2 //
3 // Copyright (c) 2012 - 2016, Victor Zverovich
4 // All rights reserved.
5 // SPDX-License-Identifier: MIT
6 //
7 // For the license information refer to format.h.
8
9 #include "fmt/format-inl.h"
10
11 FMT_BEGIN_NAMESPACE
12 namespace detail {
13
14 template <typename T>
format_float(char * buf,std::size_t size,const char * format,int precision,T value)15 int format_float(char* buf, std::size_t size, const char* format, int precision,
16 T value) {
17 #ifdef FMT_FUZZ
18 if (precision > 100000)
19 throw std::runtime_error(
20 "fuzz mode - avoid large allocation inside snprintf");
21 #endif
22 // Suppress the warning about nonliteral format string.
23 int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF;
24 return precision < 0 ? snprintf_ptr(buf, size, format, value)
25 : snprintf_ptr(buf, size, format, precision, value);
26 }
27 } // namespace detail
28
29 template struct FMT_INSTANTIATION_DEF_API detail::basic_data<void>;
30
31 // Workaround a bug in MSVC2013 that prevents instantiation of format_float.
32 int (*instantiate_format_float)(double, int, detail::float_specs,
33 detail::buffer<char>&) = detail::format_float;
34
35 #ifndef FMT_STATIC_THOUSANDS_SEPARATOR
36 template FMT_API detail::locale_ref::locale_ref(const std::locale& loc);
37 template FMT_API std::locale detail::locale_ref::get<std::locale>() const;
38 #endif
39
40 // Explicit instantiations for char.
41
42 template FMT_API std::string detail::grouping_impl<char>(locale_ref);
43 template FMT_API char detail::thousands_sep_impl(locale_ref);
44 template FMT_API char detail::decimal_point_impl(locale_ref);
45
46 template FMT_API void detail::buffer<char>::append(const char*, const char*);
47
48 template FMT_API FMT_BUFFER_CONTEXT(char)::iterator detail::vformat_to(
49 detail::buffer<char>&, string_view,
50 basic_format_args<FMT_BUFFER_CONTEXT(char)>);
51
52 template FMT_API int detail::snprintf_float(double, int, detail::float_specs,
53 detail::buffer<char>&);
54 template FMT_API int detail::snprintf_float(long double, int,
55 detail::float_specs,
56 detail::buffer<char>&);
57 template FMT_API int detail::format_float(double, int, detail::float_specs,
58 detail::buffer<char>&);
59 template FMT_API int detail::format_float(long double, int, detail::float_specs,
60 detail::buffer<char>&);
61
62 // Explicit instantiations for wchar_t.
63
64 template FMT_API std::string detail::grouping_impl<wchar_t>(locale_ref);
65 template FMT_API wchar_t detail::thousands_sep_impl(locale_ref);
66 template FMT_API wchar_t detail::decimal_point_impl(locale_ref);
67
68 template FMT_API void detail::buffer<wchar_t>::append(const wchar_t*,
69 const wchar_t*);
70 FMT_END_NAMESPACE
71