Externals: Update fmt to 7.1.0

Updates fmt to the latest release from 6.1.2
This commit is contained in:
Lioncash committed 2020-10-27 11:36:47 -04:00
1 parent d2a2ec870d
commit 369a9e01dc
28 files changed
+7529 -3769

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+30 -137
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@@ -8,169 +8,62 @@
#include "fmt/format-inl.h"
FMT_BEGIN_NAMESPACE
namespace internal {
namespace detail {
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
#ifdef FMT_FUZZ
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;
int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF;
return precision < 0 ? snprintf_ptr(buf, size, format, value)
: snprintf_ptr(buf, size, format, precision, value);
}
struct sprintf_specs {
int precision;
char type;
bool alt : 1;
} // namespace detail
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;
}
} // 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>;
template struct FMT_INSTANTIATION_DEF_API detail::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;
int (*instantiate_format_float)(double, int, detail::float_specs,
detail::buffer<char>&) = detail::format_float;
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
template FMT_API internal::locale_ref::locale_ref(const std::locale& loc);
template FMT_API std::locale internal::locale_ref::get<std::locale>() const;
template FMT_API detail::locale_ref::locale_ref(const std::locale& loc);
template FMT_API std::locale detail::locale_ref::get<std::locale>() const;
#endif
// 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 std::string detail::grouping_impl<char>(locale_ref);
template FMT_API char detail::thousands_sep_impl(locale_ref);
template FMT_API char detail::decimal_point_impl(locale_ref);
template FMT_API void internal::buffer<char>::append(const char*, const char*);
template FMT_API void detail::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 void detail::vformat_to(
detail::buffer<char>&, string_view,
basic_format_args<FMT_BUFFER_CONTEXT(char)>, detail::locale_ref);
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>&);
template FMT_API int detail::snprintf_float(double, int, detail::float_specs,
detail::buffer<char>&);
template FMT_API int detail::snprintf_float(long double, int,
detail::float_specs,
detail::buffer<char>&);
template FMT_API int detail::format_float(double, int, detail::float_specs,
detail::buffer<char>&);
template FMT_API int detail::format_float(long double, int, detail::float_specs,
detail::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 std::string detail::grouping_impl<wchar_t>(locale_ref);
template FMT_API wchar_t detail::thousands_sep_impl(locale_ref);
template FMT_API wchar_t detail::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>);
template FMT_API void detail::buffer<wchar_t>::append(const wchar_t*,
const wchar_t*);
FMT_END_NAMESPACE
+129 -44
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@@ -1,4 +1,4 @@
// A C++ interface to POSIX functions.
// Formatting library for C++ - optional OS-specific functionality
//
// Copyright (c) 2012 - 2016, Victor Zverovich
// All rights reserved.
@@ -10,39 +10,43 @@
# define _CRT_SECURE_NO_WARNINGS
#endif
#include "fmt/posix.h"
#include "fmt/os.h"
#include <climits>
#if FMT_USE_FCNTL
#include <sys/stat.h>
#include <sys/types.h>
# include <sys/stat.h>
# include <sys/types.h>
#ifndef _WIN32
# include <unistd.h>
#else
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <io.h>
# ifndef _WIN32
# include <unistd.h>
# else
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <io.h>
# include <windows.h>
# define O_CREAT _O_CREAT
# define O_TRUNC _O_TRUNC
# ifndef S_IRUSR
# define S_IRUSR _S_IREAD
# endif
# ifndef S_IWUSR
# define S_IWUSR _S_IWRITE
# endif
# ifdef __MINGW32__
# define _SH_DENYNO 0x40
# endif
# endif // _WIN32
#endif // FMT_USE_FCNTL
#ifdef _WIN32
# include <windows.h>
# define O_CREAT _O_CREAT
# define O_TRUNC _O_TRUNC
# ifndef S_IRUSR
# define S_IRUSR _S_IREAD
# endif
# ifndef S_IWUSR
# define S_IWUSR _S_IWRITE
# endif
# ifdef __MINGW32__
# define _SH_DENYNO 0x40
# endif
#endif // _WIN32
#endif // FMT_USE_FCNTL
#endif
#ifdef fileno
# undef fileno
@@ -58,7 +62,7 @@ using RWResult = int;
inline unsigned convert_rwcount(std::size_t count) {
return count <= UINT_MAX ? static_cast<unsigned>(count) : UINT_MAX;
}
#else
#elif FMT_USE_FCNTL
// Return type of read and write functions.
using RWResult = ssize_t;
@@ -68,6 +72,79 @@ inline std::size_t convert_rwcount(std::size_t count) { return count; }
FMT_BEGIN_NAMESPACE
#ifdef _WIN32
detail::utf16_to_utf8::utf16_to_utf8(wstring_view s) {
if (int error_code = convert(s)) {
FMT_THROW(windows_error(error_code,
"cannot convert string from UTF-16 to UTF-8"));
}
}
int detail::utf16_to_utf8::convert(wstring_view s) {
if (s.size() > INT_MAX) return ERROR_INVALID_PARAMETER;
int s_size = static_cast<int>(s.size());
if (s_size == 0) {
// WideCharToMultiByte does not support zero length, handle separately.
buffer_.resize(1);
buffer_[0] = 0;
return 0;
}
int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, nullptr, 0,
nullptr, nullptr);
if (length == 0) return GetLastError();
buffer_.resize(length + 1);
length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, &buffer_[0],
length, nullptr, nullptr);
if (length == 0) return GetLastError();
buffer_[length] = 0;
return 0;
}
void windows_error::init(int err_code, string_view format_str,
format_args args) {
error_code_ = err_code;
memory_buffer buffer;
detail::format_windows_error(buffer, err_code, vformat(format_str, args));
std::runtime_error& base = *this;
base = std::runtime_error(to_string(buffer));
}
void detail::format_windows_error(detail::buffer<char>& out, int error_code,
string_view message) FMT_NOEXCEPT {
FMT_TRY {
wmemory_buffer buf;
buf.resize(inline_buffer_size);
for (;;) {
wchar_t* system_message = &buf[0];
int result = FormatMessageW(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, nullptr,
error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), system_message,
static_cast<uint32_t>(buf.size()), nullptr);
if (result != 0) {
utf16_to_utf8 utf8_message;
if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
format_to(buffer_appender<char>(out), "{}: {}", message,
utf8_message);
return;
}
break;
}
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
break; // Can't get error message, report error code instead.
buf.resize(buf.size() * 2);
}
}
FMT_CATCH(...) {}
format_error_code(out, error_code, message);
}
void report_windows_error(int error_code,
fmt::string_view message) FMT_NOEXCEPT {
report_error(detail::format_windows_error, error_code, message);
}
#endif // _WIN32
buffered_file::~buffered_file() FMT_NOEXCEPT {
if (file_ && FMT_SYSTEM(fclose(file_)) != 0)
report_system_error(errno, "cannot close file");
@@ -99,12 +176,12 @@ int buffered_file::fileno() const {
#if FMT_USE_FCNTL
file::file(cstring_view path, int oflag) {
int mode = S_IRUSR | S_IWUSR;
#if defined(_WIN32) && !defined(__MINGW32__)
# if defined(_WIN32) && !defined(__MINGW32__)
fd_ = -1;
FMT_POSIX_CALL(sopen_s(&fd_, path.c_str(), oflag, _SH_DENYNO, mode));
#else
# else
FMT_RETRY(fd_, FMT_POSIX_CALL(open(path.c_str(), oflag, mode)));
#endif
# endif
if (fd_ == -1)
FMT_THROW(system_error(errno, "cannot open file {}", path.c_str()));
}
@@ -126,7 +203,7 @@ void file::close() {
}
long long file::size() const {
#ifdef _WIN32
# ifdef _WIN32
// Use GetFileSize instead of GetFileSizeEx for the case when _WIN32_WINNT
// is less than 0x0500 as is the case with some default MinGW builds.
// Both functions support large file sizes.
@@ -140,7 +217,7 @@ long long file::size() const {
}
unsigned long long long_size = size_upper;
return (long_size << sizeof(DWORD) * CHAR_BIT) | size_lower;
#else
# else
using Stat = struct stat;
Stat file_stat = Stat();
if (FMT_POSIX_CALL(fstat(fd_, &file_stat)) == -1)
@@ -148,21 +225,21 @@ long long file::size() const {
static_assert(sizeof(long long) >= sizeof(file_stat.st_size),
"return type of file::size is not large enough");
return file_stat.st_size;
#endif
# endif
}
std::size_t file::read(void* buffer, std::size_t count) {
RWResult result = 0;
FMT_RETRY(result, FMT_POSIX_CALL(read(fd_, buffer, convert_rwcount(count))));
if (result < 0) FMT_THROW(system_error(errno, "cannot read from file"));
return internal::to_unsigned(result);
return detail::to_unsigned(result);
}
std::size_t file::write(const void* buffer, std::size_t count) {
RWResult result = 0;
FMT_RETRY(result, FMT_POSIX_CALL(write(fd_, buffer, convert_rwcount(count))));
if (result < 0) FMT_THROW(system_error(errno, "cannot write to file"));
return internal::to_unsigned(result);
return detail::to_unsigned(result);
}
file file::dup(int fd) {
@@ -195,15 +272,15 @@ void file::pipe(file& read_end, file& write_end) {
read_end.close();
write_end.close();
int fds[2] = {};
#ifdef _WIN32
# ifdef _WIN32
// Make the default pipe capacity same as on Linux 2.6.11+.
enum { DEFAULT_CAPACITY = 65536 };
int result = FMT_POSIX_CALL(pipe(fds, DEFAULT_CAPACITY, _O_BINARY));
#else
# else
// Don't retry as the pipe function doesn't return EINTR.
// http://pubs.opengroup.org/onlinepubs/009696799/functions/pipe.html
int result = FMT_POSIX_CALL(pipe(fds));
#endif
# endif
if (result != 0) FMT_THROW(system_error(errno, "cannot create pipe"));
// The following assignments don't throw because read_fd and write_fd
// are closed.
@@ -212,8 +289,12 @@ void file::pipe(file& read_end, file& write_end) {
}
buffered_file file::fdopen(const char* mode) {
// Don't retry as fdopen doesn't return EINTR.
// Don't retry as fdopen doesn't return EINTR.
# if defined(__MINGW32__) && defined(_POSIX_)
FILE* f = ::fdopen(fd_, mode);
# else
FILE* f = FMT_POSIX_CALL(fdopen(fd_, mode));
# endif
if (!f)
FMT_THROW(
system_error(errno, "cannot associate stream with file descriptor"));
@@ -223,15 +304,19 @@ buffered_file file::fdopen(const char* mode) {
}
long getpagesize() {
#ifdef _WIN32
# ifdef _WIN32
SYSTEM_INFO si;
GetSystemInfo(&si);
return si.dwPageSize;
#else
# else
long size = FMT_POSIX_CALL(sysconf(_SC_PAGESIZE));
if (size < 0) FMT_THROW(system_error(errno, "cannot get memory page size"));
return size;
#endif
# endif
}
void ostream::grow(size_t) {
if (this->size() == this->capacity()) flush();
}
#endif // FMT_USE_FCNTL
FMT_END_NAMESPACE