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Make seeking on an ostream that has eofbit set work correctly. Fixes PR#21361

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@240286 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2015-06-22 15:01:21 +00:00
parent 46d06b90c1
commit 1224e8972b
3 changed files with 24 additions and 2 deletions
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4
include/ostream
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@@ -1004,7 +1004,7 @@ basic_ostream<_CharT, _Traits>&
basic_ostream<_CharT, _Traits>::seekp(pos_type __pos)
{
sentry __s(*this);
if (__s)
if (!this->fail())
{
if (this->rdbuf()->pubseekpos(__pos, ios_base::out) == pos_type(-1))
this->setstate(ios_base::failbit);
@@ -1018,7 +1018,7 @@ basic_ostream<_CharT, _Traits>&
basic_ostream<_CharT, _Traits>::seekp(off_type __off, ios_base::seekdir __dir)
{
sentry __s(*this);
if (__s)
if (!this->fail())
{
if (this->rdbuf()->pubseekoff(__off, __dir, ios_base::out) == pos_type(-1))
this->setstate(ios_base::failbit);