diff options
| -rw-r--r-- | include/istream | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/include/istream b/include/istream index 3979e1407..e484571c4 100644 --- a/include/istream +++ b/include/istream @@ -1216,16 +1216,9 @@ basic_istream<_CharT, _Traits>::read(char_type* __s, streamsize __n) sentry __sen(*this, true); if (__sen) { - for (; __gc_ < __n; ++__gc_) - { - typename traits_type::int_type __i = this->rdbuf()->sbumpc(); - if (traits_type::eq_int_type(__i, traits_type::eof())) - { - this->setstate(ios_base::failbit | ios_base::eofbit); - break; - } - *__s++ = traits_type::to_char_type(__i); - } + __gc_ = this->rdbuf()->sgetn(__s, __n); + if (__gc_ != __n) + this->setstate(ios_base::failbit | ios_base::eofbit); } else this->setstate(ios_base::failbit); |