http://llvm.org/bugs/show_bug.cgi?id=14670
Bug #: 14670
Summary: readsome() need to reset gcount to zero.
Product: libc++
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
readsome() in basic_istream should reset __gc_ to zero as read() does.
Currently, readsome() return old value if in_avail() is 0 or -1.
template<class _CharT, class _Traits>
streamsize
basic_istream<_CharT, _Traits>::readsome(char_type* __s, streamsize __n)
{
+ __gc_ = 0;
streamsize __c = this->rdbuf()->in_avail();
switch (__c)
{
case -1:
this->setstate(ios_base::eofbit);
break;
case 0:
break;
default:
read(__s, _VSTD::min(__c, __n));
break;
}
return __gc_;
}
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