Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.

2 files changed, 345 insertions, 345 deletions

diff --git a/contrib/libs/fmt/src/format.cc b/contrib/libs/fmt/src/format.cc
index 76ca91e7a9..6141d964a7 100644
--- a/contrib/libs/fmt/src/format.cc
+++ b/contrib/libs/fmt/src/format.cc
@@ -1,34 +1,34 @@
-// 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 
+// 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 detail {
- 
-template <typename T> 
-int format_float(char* buf, std::size_t size, const char* format, int precision, 
-                 T value) { 
+
+template <typename T>
+int format_float(char* buf, std::size_t size, const char* format, int precision,
+                 T value) {
 #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. 
-  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); 
-} 
- 
+  if (precision > 100000)
+    throw std::runtime_error(
+        "fuzz mode - avoid large allocation inside snprintf");
+#endif
+  // Suppress the warning about nonliteral format string.
+  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);
+}
+
 template FMT_API dragonbox::decimal_fp<float> dragonbox::to_decimal(float x)
     FMT_NOEXCEPT;
 template FMT_API dragonbox::decimal_fp<double> dragonbox::to_decimal(double x)
     FMT_NOEXCEPT;
- 
+
 // DEPRECATED! This function exists for ABI compatibility.
 template <typename Char>
 typename basic_format_context<std::back_insert_iterator<buffer<Char>>,
@@ -46,7 +46,7 @@ vformat_to(buffer<Char>& buf, basic_string_view<Char> format_str,
   format_handler<iterator, Char, context> h(out, format_str, args, {});
   parse_format_string<false>(format_str, h);
   return out;
-} 
+}
 template basic_format_context<std::back_insert_iterator<buffer<char>>,
                               char>::iterator
 vformat_to(buffer<char>&, string_view,
@@ -54,30 +54,30 @@ vformat_to(buffer<char>&, string_view,
                std::back_insert_iterator<buffer<type_identity_t<char>>>,
                type_identity_t<char>>>);
 }  // namespace detail
- 
+
 template struct FMT_INSTANTIATION_DEF_API detail::basic_data<void>;
- 
-// Workaround a bug in MSVC2013 that prevents instantiation of format_float. 
+
+// Workaround a bug in MSVC2013 that prevents instantiation of format_float.
 int (*instantiate_format_float)(double, int, detail::float_specs,
                                 detail::buffer<char>&) = detail::format_float;
- 
-#ifndef FMT_STATIC_THOUSANDS_SEPARATOR 
+
+#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
 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. 
- 
+#endif
+
+// Explicit instantiations for char.
+
 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 detail::buffer<char>::append(const char*, const char*);
- 
+
 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 int detail::snprintf_float(double, int, detail::float_specs,
                                             detail::buffer<char>&);
 template FMT_API int detail::snprintf_float(long double, int,
@@ -87,13 +87,13 @@ 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. 
- 
+
+// Explicit instantiations for wchar_t.
+
 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 detail::buffer<wchar_t>::append(const wchar_t*,
                                                       const wchar_t*);
-FMT_END_NAMESPACE 
+FMT_END_NAMESPACE
diff --git a/contrib/libs/fmt/src/os.cc b/contrib/libs/fmt/src/os.cc
index 8c5552c750..6850024588 100644
--- a/contrib/libs/fmt/src/os.cc
+++ b/contrib/libs/fmt/src/os.cc
@@ -1,322 +1,322 @@
-// Formatting library for C++ - optional OS-specific functionality 
-// 
-// Copyright (c) 2012 - 2016, Victor Zverovich 
-// All rights reserved. 
-// 
-// For the license information refer to format.h. 
- 
-// Disable bogus MSVC warnings. 
-#if !defined(_CRT_SECURE_NO_WARNINGS) && defined(_MSC_VER) 
-#  define _CRT_SECURE_NO_WARNINGS 
-#endif 
- 
-#include "fmt/os.h" 
- 
-#include <climits> 
- 
-#if FMT_USE_FCNTL 
-#  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> 
-#    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> 
-#endif 
- 
-#ifdef fileno 
-#  undef fileno 
-#endif 
- 
-namespace { 
-#ifdef _WIN32 
-// Return type of read and write functions. 
-using RWResult = int; 
- 
-// On Windows the count argument to read and write is unsigned, so convert 
-// it from size_t preventing integer overflow. 
-inline unsigned convert_rwcount(std::size_t count) { 
-  return count <= UINT_MAX ? static_cast<unsigned>(count) : UINT_MAX; 
-} 
+// Formatting library for C++ - optional OS-specific functionality
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+// Disable bogus MSVC warnings.
+#if !defined(_CRT_SECURE_NO_WARNINGS) && defined(_MSC_VER)
+#  define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "fmt/os.h"
+
+#include <climits>
+
+#if FMT_USE_FCNTL
+#  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>
+#    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>
+#endif
+
+#ifdef fileno
+#  undef fileno
+#endif
+
+namespace {
+#ifdef _WIN32
+// Return type of read and write functions.
+using RWResult = int;
+
+// On Windows the count argument to read and write is unsigned, so convert
+// it from size_t preventing integer overflow.
+inline unsigned convert_rwcount(std::size_t count) {
+  return count <= UINT_MAX ? static_cast<unsigned>(count) : UINT_MAX;
+}
 #elif FMT_USE_FCNTL
-// Return type of read and write functions. 
-using RWResult = ssize_t; 
- 
-inline std::size_t convert_rwcount(std::size_t count) { return count; } 
-#endif 
-}  // namespace 
- 
-FMT_BEGIN_NAMESPACE 
- 
-#ifdef _WIN32 
+// Return type of read and write functions.
+using RWResult = ssize_t;
+
+inline std::size_t convert_rwcount(std::size_t count) { return count; }
+#endif
+}  // namespace
+
+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")); 
-  } 
-} 
- 
+  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; 
+  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)); 
-} 
- 
+  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) { 
+  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 { 
+          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"); 
-} 
- 
-buffered_file::buffered_file(cstring_view filename, cstring_view mode) { 
-  FMT_RETRY_VAL(file_, FMT_SYSTEM(fopen(filename.c_str(), mode.c_str())), 
-                nullptr); 
-  if (!file_) 
-    FMT_THROW(system_error(errno, "cannot open file {}", filename.c_str())); 
-} 
- 
-void buffered_file::close() { 
-  if (!file_) return; 
-  int result = FMT_SYSTEM(fclose(file_)); 
-  file_ = nullptr; 
-  if (result != 0) FMT_THROW(system_error(errno, "cannot close file")); 
-} 
- 
-// A macro used to prevent expansion of fileno on broken versions of MinGW. 
-#define FMT_ARGS 
- 
-int buffered_file::fileno() const { 
-  int fd = FMT_POSIX_CALL(fileno FMT_ARGS(file_)); 
-  if (fd == -1) FMT_THROW(system_error(errno, "cannot get file descriptor")); 
-  return fd; 
-} 
- 
-#if FMT_USE_FCNTL 
-file::file(cstring_view path, int oflag) { 
-  int mode = S_IRUSR | S_IWUSR; 
-#  if defined(_WIN32) && !defined(__MINGW32__) 
-  fd_ = -1; 
-  FMT_POSIX_CALL(sopen_s(&fd_, path.c_str(), oflag, _SH_DENYNO, mode)); 
-#  else 
-  FMT_RETRY(fd_, FMT_POSIX_CALL(open(path.c_str(), oflag, mode))); 
-#  endif 
-  if (fd_ == -1) 
-    FMT_THROW(system_error(errno, "cannot open file {}", path.c_str())); 
-} 
- 
-file::~file() FMT_NOEXCEPT { 
-  // Don't retry close in case of EINTR! 
-  // See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html 
-  if (fd_ != -1 && FMT_POSIX_CALL(close(fd_)) != 0) 
-    report_system_error(errno, "cannot close file"); 
-} 
- 
-void file::close() { 
-  if (fd_ == -1) return; 
-  // Don't retry close in case of EINTR! 
-  // See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html 
-  int result = FMT_POSIX_CALL(close(fd_)); 
-  fd_ = -1; 
-  if (result != 0) FMT_THROW(system_error(errno, "cannot close file")); 
-} 
- 
-long long file::size() const { 
-#  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. 
-  DWORD size_upper = 0; 
-  HANDLE handle = reinterpret_cast<HANDLE>(_get_osfhandle(fd_)); 
-  DWORD size_lower = FMT_SYSTEM(GetFileSize(handle, &size_upper)); 
-  if (size_lower == INVALID_FILE_SIZE) { 
-    DWORD error = GetLastError(); 
-    if (error != NO_ERROR) 
-      FMT_THROW(windows_error(GetLastError(), "cannot get file size")); 
-  } 
-  unsigned long long long_size = size_upper; 
-  return (long_size << sizeof(DWORD) * CHAR_BIT) | size_lower; 
-#  else 
-  using Stat = struct stat; 
-  Stat file_stat = Stat(); 
-  if (FMT_POSIX_CALL(fstat(fd_, &file_stat)) == -1) 
-    FMT_THROW(system_error(errno, "cannot get file attributes")); 
-  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 
-} 
- 
-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")); 
+}
+#endif  // _WIN32
+
+buffered_file::~buffered_file() FMT_NOEXCEPT {
+  if (file_ && FMT_SYSTEM(fclose(file_)) != 0)
+    report_system_error(errno, "cannot close file");
+}
+
+buffered_file::buffered_file(cstring_view filename, cstring_view mode) {
+  FMT_RETRY_VAL(file_, FMT_SYSTEM(fopen(filename.c_str(), mode.c_str())),
+                nullptr);
+  if (!file_)
+    FMT_THROW(system_error(errno, "cannot open file {}", filename.c_str()));
+}
+
+void buffered_file::close() {
+  if (!file_) return;
+  int result = FMT_SYSTEM(fclose(file_));
+  file_ = nullptr;
+  if (result != 0) FMT_THROW(system_error(errno, "cannot close file"));
+}
+
+// A macro used to prevent expansion of fileno on broken versions of MinGW.
+#define FMT_ARGS
+
+int buffered_file::fileno() const {
+  int fd = FMT_POSIX_CALL(fileno FMT_ARGS(file_));
+  if (fd == -1) FMT_THROW(system_error(errno, "cannot get file descriptor"));
+  return fd;
+}
+
+#if FMT_USE_FCNTL
+file::file(cstring_view path, int oflag) {
+  int mode = S_IRUSR | S_IWUSR;
+#  if defined(_WIN32) && !defined(__MINGW32__)
+  fd_ = -1;
+  FMT_POSIX_CALL(sopen_s(&fd_, path.c_str(), oflag, _SH_DENYNO, mode));
+#  else
+  FMT_RETRY(fd_, FMT_POSIX_CALL(open(path.c_str(), oflag, mode)));
+#  endif
+  if (fd_ == -1)
+    FMT_THROW(system_error(errno, "cannot open file {}", path.c_str()));
+}
+
+file::~file() FMT_NOEXCEPT {
+  // Don't retry close in case of EINTR!
+  // See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html
+  if (fd_ != -1 && FMT_POSIX_CALL(close(fd_)) != 0)
+    report_system_error(errno, "cannot close file");
+}
+
+void file::close() {
+  if (fd_ == -1) return;
+  // Don't retry close in case of EINTR!
+  // See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html
+  int result = FMT_POSIX_CALL(close(fd_));
+  fd_ = -1;
+  if (result != 0) FMT_THROW(system_error(errno, "cannot close file"));
+}
+
+long long file::size() const {
+#  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.
+  DWORD size_upper = 0;
+  HANDLE handle = reinterpret_cast<HANDLE>(_get_osfhandle(fd_));
+  DWORD size_lower = FMT_SYSTEM(GetFileSize(handle, &size_upper));
+  if (size_lower == INVALID_FILE_SIZE) {
+    DWORD error = GetLastError();
+    if (error != NO_ERROR)
+      FMT_THROW(windows_error(GetLastError(), "cannot get file size"));
+  }
+  unsigned long long long_size = size_upper;
+  return (long_size << sizeof(DWORD) * CHAR_BIT) | size_lower;
+#  else
+  using Stat = struct stat;
+  Stat file_stat = Stat();
+  if (FMT_POSIX_CALL(fstat(fd_, &file_stat)) == -1)
+    FMT_THROW(system_error(errno, "cannot get file attributes"));
+  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
+}
+
+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 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")); 
+}
+
+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 detail::to_unsigned(result);
-} 
- 
-file file::dup(int fd) { 
-  // Don't retry as dup doesn't return EINTR. 
-  // http://pubs.opengroup.org/onlinepubs/009695399/functions/dup.html 
-  int new_fd = FMT_POSIX_CALL(dup(fd)); 
-  if (new_fd == -1) 
-    FMT_THROW(system_error(errno, "cannot duplicate file descriptor {}", fd)); 
-  return file(new_fd); 
-} 
- 
-void file::dup2(int fd) { 
-  int result = 0; 
-  FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd))); 
-  if (result == -1) { 
-    FMT_THROW(system_error(errno, "cannot duplicate file descriptor {} to {}", 
-                           fd_, fd)); 
-  } 
-} 
- 
-void file::dup2(int fd, error_code& ec) FMT_NOEXCEPT { 
-  int result = 0; 
-  FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd))); 
-  if (result == -1) ec = error_code(errno); 
-} 
- 
-void file::pipe(file& read_end, file& write_end) { 
-  // Close the descriptors first to make sure that assignments don't throw 
-  // and there are no leaks. 
-  read_end.close(); 
-  write_end.close(); 
-  int fds[2] = {}; 
-#  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 
-  // 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 
-  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. 
-  read_end = file(fds[0]); 
-  write_end = file(fds[1]); 
-} 
- 
-buffered_file file::fdopen(const char* mode) { 
+}
+
+file file::dup(int fd) {
+  // Don't retry as dup doesn't return EINTR.
+  // http://pubs.opengroup.org/onlinepubs/009695399/functions/dup.html
+  int new_fd = FMT_POSIX_CALL(dup(fd));
+  if (new_fd == -1)
+    FMT_THROW(system_error(errno, "cannot duplicate file descriptor {}", fd));
+  return file(new_fd);
+}
+
+void file::dup2(int fd) {
+  int result = 0;
+  FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd)));
+  if (result == -1) {
+    FMT_THROW(system_error(errno, "cannot duplicate file descriptor {} to {}",
+                           fd_, fd));
+  }
+}
+
+void file::dup2(int fd, error_code& ec) FMT_NOEXCEPT {
+  int result = 0;
+  FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd)));
+  if (result == -1) ec = error_code(errno);
+}
+
+void file::pipe(file& read_end, file& write_end) {
+  // Close the descriptors first to make sure that assignments don't throw
+  // and there are no leaks.
+  read_end.close();
+  write_end.close();
+  int fds[2] = {};
+#  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
+  // 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
+  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.
+  read_end = file(fds[0]);
+  write_end = file(fds[1]);
+}
+
+buffered_file file::fdopen(const char* mode) {
 // 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)); 
+  FILE* f = FMT_POSIX_CALL(fdopen(fd_, mode));
+#  endif
+  if (!f)
+    FMT_THROW(
+        system_error(errno, "cannot associate stream with file descriptor"));
+  buffered_file bf(f);
+  fd_ = -1;
+  return bf;
+}
+
+long getpagesize() {
+#  ifdef _WIN32
+  SYSTEM_INFO si;
+  GetSystemInfo(&si);
+  return si.dwPageSize;
+#  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
-  if (!f) 
-    FMT_THROW( 
-        system_error(errno, "cannot associate stream with file descriptor")); 
-  buffered_file bf(f); 
-  fd_ = -1; 
-  return bf; 
-} 
- 
-long getpagesize() { 
-#  ifdef _WIN32 
-  SYSTEM_INFO si; 
-  GetSystemInfo(&si); 
-  return si.dwPageSize; 
-#  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 
-} 
+}
 
 FMT_API void ostream::grow(size_t) {
   if (this->size() == this->capacity()) flush();
 }
-#endif  // FMT_USE_FCNTL 
-FMT_END_NAMESPACE 
+#endif  // FMT_USE_FCNTL
+FMT_END_NAMESPACE