XXX: not-working std::strtod for xref to https://codereview.chromium.org/2044643005/

base/strings/string_number_conversions.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/strings/string_number_conversions.h"
 
 #include <ctype.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <wctype.h>
@@ skipping 402 matching lines @@
 
 bool StringToSizeT(const StringPiece16& input, size_t* output) {
   return String16ToIntImpl(input, output);
 }
 
 bool StringToDouble(const std::string& input, double* output) {
   // Thread-safe?  It is on at least Mac, Linux, and Windows.
   ScopedClearErrno clear_errno;
 
   char* endptr = NULL;
-  *output = dmg_fp::strtod(input.c_str(), &endptr);
+  *output = std::strtod(input.c_str(), &endptr);
 
   // Cases to return false:
   //  - If errno is ERANGE, there was an overflow or underflow.
   //  - If the input string is empty, there was nothing to parse.
   //  - If endptr does not point to the end of the string, there are either
   //    characters remaining in the string after a parsed number, or the string
   //    does not begin with a parseable number.  endptr is compared to the
   //    expected end given the string's stated length to correctly catch cases
   //    where the string contains embedded NUL characters.
   //  - If the first character is a space, there was leading whitespace
@@ skipping 43 matching lines @@
 bool HexStringToUInt64(const StringPiece& input, uint64_t* output) {
   return IteratorRangeToNumber<HexIteratorRangeToUInt64Traits>::Invoke(
       input.begin(), input.end(), output);
 }
 
 bool HexStringToBytes(const std::string& input, std::vector<uint8_t>* output) {
   return HexStringToBytesT(input, output);
 }
 
 }  // namespace base