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Fix LWG#2244: basic_istream::seekg

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@251246 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow 2015-10-25 18:31:51 +00:00
parent fd33deb083
commit dbef2bb1d0
3 changed files with 11 additions and 1 deletions
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1
include/istream
View File

@ -1407,6 +1407,7 @@ basic_istream<_CharT, _Traits>::seekg(off_type __off, ios_base::seekdir __dir)
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
this->clear(this->rdstate() & ~ios_base::eofbit);
sentry __sen(*this, true);
if (__sen)
{

9
test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg_off.pass.cpp
View File

@ -71,4 +71,13 @@ int main()
assert(is.fail());
assert(seekoff_called == 4);
}
{
testbuf<char> sb(" 123456789");
std::istream is(&sb);
is.setstate(std::ios_base::eofbit);
assert(is.eof());
is.seekg(5, std::ios_base::beg);
assert(is.good());
assert(!is.eof());
}
}

2
www/cxx1z_status.html
View File

@ -159,7 +159,7 @@
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2219">2219</a></td><td><tt><i>INVOKE</i></tt>-ing a pointer to member with a <tt>reference_wrapper</tt> as the object expression</td><td>Kona</td><td></td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2224">2224</a></td><td>Ambiguous status of access to non-live objects</td><td>Kona</td><td></td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2234">2234</a></td><td><tt>assert()</tt> should allow usage in constant expressions</td><td>Kona</td><td></td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2244">2244</a></td><td>Issue on <tt>basic_istream::seekg</tt></td><td>Kona</td><td>Patch Ready</td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2244">2244</a></td><td>Issue on <tt>basic_istream::seekg</tt></td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2250">2250</a></td><td>Follow-up On Library Issue 2207</td><td>Kona</td><td></td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2259">2259</a></td><td>Issues in 17.6.5.5 rules for member functions</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2273">2273</a></td><td><tt>regex_match</tt> ambiguity</td><td>Kona</td><td></td></tr>