diff options
Diffstat (limited to 'absl/strings/internal/charconv_parse.cc')
| -rw-r--r-- | absl/strings/internal/charconv_parse.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/absl/strings/internal/charconv_parse.cc b/absl/strings/internal/charconv_parse.cc index f3c7232..fa9a896 100644 --- a/absl/strings/internal/charconv_parse.cc +++ b/absl/strings/internal/charconv_parse.cc @@ -253,6 +253,12 @@ std::size_t ConsumeDigits(const char* begin, const char* end, int max_digits, assert(max_digits * 4 <= std::numeric_limits<T>::digits); } const char* const original_begin = begin; + + // Skip leading zeros, but only if *out is zero. + // They don't cause an overflow so we don't have to count them for + // `max_digits`. + while (!*out && end != begin && *begin == '0') ++begin; + T accumulator = *out; const char* significant_digits_end = (end - begin > max_digits) ? begin + max_digits : end; |