Have basic_istream::read call sgetn intead of sbumpc individual characters. This addresses http://llvm.org/bugs/show_bug.cgi?id=15427.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@176573 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant 2013-03-06 19:27:56 +00:00
parent 3101474720
commit cc7bdae931

View File

@ -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);